{"id":497640,"date":"2025-10-14T20:07:00","date_gmt":"2025-10-14T13:07:00","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=497640"},"modified":"2025-10-14T20:07:14","modified_gmt":"2025-10-14T13:07:14","slug":"wifi-da-ket-noi-nhung-khong-co-internet","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/wifi-da-ket-noi-nhung-khong-co-internet\/","title":{"rendered":"C\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i Wifi \u0111\u00e3 k\u1ebft n\u1ed1i nh\u01b0ng kh\u00f4ng c\u00f3 internet tri\u1ec7t \u0111\u1ec3"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Trong th\u1eddi \u0111\u1ea1i s\u1ed1, k\u1ebft n\u1ed1i internet \u1ed5n \u0111\u1ecbnh l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 h\u1ecdc t\u1eadp, l\u00e0m vi\u1ec7c v\u00e0 gi\u1ea3i tr\u00ed. Tuy nhi\u00ean, \u0111\u00f4i khi b\u1ea1n g\u1eb7p ph\u1ea3i t\u00ecnh tr\u1ea1ng <\/span><b>wifi \u0111\u00e3 k\u1ebft n\u1ed1i nh\u01b0ng kh\u00f4ng c\u00f3 internet<\/b><span style=\"font-weight: 400;\">, khi\u1ebfn thi\u1ebft b\u1ecb hi\u1ec3n th\u1ecb k\u1ebft n\u1ed1i b\u00ecnh th\u01b0\u1eddng nh\u01b0ng kh\u00f4ng th\u1ec3 truy c\u1eadp web, xem video hay s\u1eed d\u1ee5ng \u1ee9ng d\u1ee5ng online. T\u00ecnh tr\u1ea1ng n\u00e0y kh\u00f4ng ch\u1ec9 g\u00e2y phi\u1ec1n to\u00e1i m\u00e0 c\u00f2n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u00f4ng vi\u1ec7c. B\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y s\u1ebd gi\u00fap b\u1ea1n nh\u1eadn bi\u1ebft d\u1ea5u hi\u1ec7u, t\u00ecm hi\u1ec3u nguy\u00ean nh\u00e2n v\u00e0 h\u01b0\u1edbng d\u1eabn c\u00e1ch kh\u1eafc ph\u1ee5c tri\u1ec7t \u0111\u1ec3 tr\u00ean c\u1ea3 \u0111i\u1ec7n tho\u1ea1i v\u00e0 m\u00e1y t\u00ednh.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><b>D\u1ea5u hi\u1ec7u khi wifi \u0111\u00e3 k\u1ebft n\u1ed1i nh\u01b0ng kh\u00f4ng c\u00f3 m\u1ea1ng<\/b><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Khi g\u1eb7p t\u00ecnh tr\u1ea1ng <\/span><b>wifi \u0111\u00e3 k\u1ebft n\u1ed1i nh\u01b0ng kh\u00f4ng c\u00f3 internet<\/b><span style=\"font-weight: 400;\">, ng\u01b0\u1eddi d\u00f9ng th\u01b0\u1eddng nh\u1eadn th\u1ea5y m\u1ed9t s\u1ed1 d\u1ea5u hi\u1ec7u ph\u1ed5 bi\u1ebfn sau:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><b>Bi\u1ec3u t\u01b0\u1ee3ng wifi c\u00f3 d\u1ea5u ch\u1ea5m than<\/b><span style=\"font-weight: 400;\">: Tr\u00ean \u0111i\u1ec7n tho\u1ea1i ho\u1eb7c m\u00e1y t\u00ednh, bi\u1ec3u t\u01b0\u1ee3ng wifi xu\u1ea5t hi\u1ec7n d\u1ea5u ch\u1ea5m than m\u00e0u v\u00e0ng ho\u1eb7c tam gi\u00e1c c\u1ea3nh b\u00e1o, cho bi\u1ebft k\u1ebft n\u1ed1i m\u1ea1ng kh\u00f4ng \u1ed5n \u0111\u1ecbnh ho\u1eb7c m\u1ea5t internet.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Trang web kh\u00f4ng t\u1ea3i \u0111\u01b0\u1ee3c<\/b><span style=\"font-weight: 400;\">: Khi m\u1edf tr\u00ecnh duy\u1ec7t, c\u00e1c trang web kh\u00f4ng th\u1ec3 truy c\u1eadp, xu\u1ea5t hi\u1ec7n th\u00f4ng b\u00e1o \u201cKh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi Internet\u201d ho\u1eb7c \u201cTrang web kh\u00f4ng kh\u1ea3 d\u1ee5ng\u201d.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>\u1ee8ng d\u1ee5ng online kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng<\/b><span style=\"font-weight: 400;\">: C\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u internet nh\u01b0 YouTube, Facebook, Zalo, Gmail s\u1ebd kh\u00f4ng t\u1ea3i d\u1eef li\u1ec7u m\u1edbi, ho\u1eb7c b\u1ecb b\u00e1o l\u1ed7i k\u1ebft n\u1ed1i.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Ping ho\u1eb7c test m\u1ea1ng th\u1ea5t b\u1ea1i<\/b><span style=\"font-weight: 400;\">: N\u1ebfu d\u00f9ng l\u1ec7nh ki\u1ec3m tra m\u1ea1ng nh\u01b0 <\/span><span style=\"font-weight: 400;\">ping google.com<\/span><span style=\"font-weight: 400;\">, k\u1ebft qu\u1ea3 s\u1ebd b\u00e1o l\u1ed7i kh\u00f4ng nh\u1eadn ph\u1ea3n h\u1ed3i t\u1eeb server, cho th\u1ea5y thi\u1ebft b\u1ecb kh\u00f4ng th\u1ef1c s\u1ef1 k\u1ebft n\u1ed1i internet.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">D\u1ea5u hi\u1ec7u tr\u00ean gi\u00fap b\u1ea1n nh\u1eadn bi\u1ebft nhanh v\u1ea5n \u0111\u1ec1 v\u00e0 ph\u00e2n bi\u1ec7t v\u1edbi tr\u01b0\u1eddng h\u1ee3p wifi kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c ho\u1eb7c b\u1ecb y\u1ebfu t\u00edn hi\u1ec7u.<\/span><\/p>\n<p style=\"text-align: justify;\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-497641\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-01.jpg\" alt=\"wifi-da-ket-noi-nhung-khong-co-internet-01\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-01.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-01-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-01-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2 style=\"text-align: justify;\"><b>Nguy\u00ean nh\u00e2n g\u00e2y ra l\u1ed7i wifi \u0111\u00e3 k\u1ebft n\u1ed1i nh\u01b0ng kh\u00f4ng c\u00f3 internet<\/b><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">L\u1ed7i <\/span><b>wifi \u0111\u00e3 k\u1ebft n\u1ed1i nh\u01b0ng kh\u00f4ng c\u00f3 internet<\/b><span style=\"font-weight: 400;\"> xu\u1ea5t ph\u00e1t t\u1eeb nhi\u1ec1u nguy\u00ean nh\u00e2n kh\u00e1c nhau, th\u01b0\u1eddng \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c nh\u00f3m ch\u00ednh:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><b>S\u1ef1 c\u1ed1 t\u1eeb nh\u00e0 cung c\u1ea5p m\u1ea1ng (ISP)<\/b><span style=\"font-weight: 400;\">: \u0110\u00f4i khi \u0111\u01b0\u1eddng truy\u1ec1n internet g\u1eb7p s\u1ef1 c\u1ed1, qu\u00e1 t\u1ea3i ho\u1eb7c b\u1ea3o tr\u00ec, d\u1eabn \u0111\u1ebfn wifi v\u1eabn k\u1ebft n\u1ed1i nh\u01b0ng kh\u00f4ng truy c\u1eadp internet \u0111\u01b0\u1ee3c.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>L\u1ed7i thi\u1ebft b\u1ecb ph\u00e1t wifi<\/b><span style=\"font-weight: 400;\">: Router, modem ho\u1eb7c \u0111i\u1ec3m ph\u00e1t wifi g\u1eb7p l\u1ed7i ph\u1ea7n m\u1ec1m, qu\u00e1 nhi\u1ec7t ho\u1eb7c c\u1ea5u h\u00ecnh sai c\u0169ng g\u00e2y m\u1ea5t internet d\u00f9 k\u1ebft n\u1ed1i v\u1eabn hi\u1ec7n b\u00ecnh th\u01b0\u1eddng.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>C\u1ea5u h\u00ecnh m\u1ea1ng sai tr\u00ean thi\u1ebft b\u1ecb<\/b><span style=\"font-weight: 400;\">: \u0110\u1ecba ch\u1ec9 IP t\u0129nh, DNS kh\u00f4ng ch\u00ednh x\u00e1c, proxy ho\u1eb7c c\u00e1c thi\u1ebft l\u1eadp m\u1ea1ng b\u1ecb xung \u0111\u1ed9t c\u00f3 th\u1ec3 khi\u1ebfn thi\u1ebft b\u1ecb kh\u00f4ng th\u1ec3 truy c\u1eadp internet.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>L\u1ed7i ph\u1ea7n m\u1ec1m tr\u00ean thi\u1ebft b\u1ecb<\/b><span style=\"font-weight: 400;\">: H\u1ec7 \u0111i\u1ec1u h\u00e0nh ho\u1eb7c driver wifi l\u1ed7i th\u1eddi, virus, \u1ee9ng d\u1ee5ng g\u00e2y xung \u0111\u1ed9t c\u0169ng d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng wifi k\u1ebft n\u1ed1i nh\u01b0ng kh\u00f4ng c\u00f3 internet.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>S\u1ef1 c\u1ed1 m\u00f4i tr\u01b0\u1eddng<\/b><span style=\"font-weight: 400;\">: Nhi\u1ec5u s\u00f3ng t\u1eeb c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, v\u1eadt c\u1ea3n ho\u1eb7c kho\u1ea3ng c\u00e1ch qu\u00e1 xa gi\u1eefa thi\u1ebft b\u1ecb v\u00e0 router c\u0169ng l\u00e0m t\u00edn hi\u1ec7u y\u1ebfu, g\u00e2y m\u1ea5t k\u1ebft n\u1ed1i internet t\u1ea1m th\u1eddi.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Hi\u1ec3u r\u00f5 nguy\u00ean nh\u00e2n gi\u00fap b\u1ea1n ch\u1ecdn ph\u01b0\u01a1ng \u00e1n x\u1eed l\u00fd ph\u00f9 h\u1ee3p, tr\u00e1nh t\u1ed1n th\u1eddi gian th\u1eed nhi\u1ec1u c\u00e1ch kh\u00f4ng hi\u1ec7u qu\u1ea3.<\/span><\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-497642\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-02.jpg\" alt=\"wifi-da-ket-noi-nhung-khong-co-internet-02\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-02.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-02-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-02-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2 style=\"text-align: justify;\"><b>C\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i wifi \u0111\u00e3 k\u1ebft n\u1ed1i nh\u01b0ng kh\u00f4ng c\u00f3 internet tr\u00ean \u0111i\u1ec7n tho\u1ea1i<\/b><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Khi \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n hi\u1ec3n th\u1ecb \u0111\u00e3 k\u1ebft n\u1ed1i wifi nh\u01b0ng kh\u00f4ng th\u1ec3 truy c\u1eadp internet, \u0111\u1eebng lo l\u1eafng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c b\u01b0\u1edbc kh\u1eafc ph\u1ee5c \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u qu\u1ea3, gi\u00fap b\u1ea1n nhanh ch\u00f3ng l\u1ea5y l\u1ea1i k\u1ebft n\u1ed1i \u1ed5n \u0111\u1ecbnh tr\u00ean thi\u1ebft b\u1ecb Android ho\u1eb7c iPhone.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><b>Kh\u1edfi \u0111\u1ed9ng l\u1ea1i \u0111i\u1ec7n tho\u1ea1i v\u00e0 wifi<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Khi \u0111i\u1ec7n tho\u1ea1i k\u1ebft n\u1ed1i wifi nh\u01b0ng kh\u00f4ng c\u00f3 internet, vi\u1ec7c <\/span><b>t\u1eaft\/b\u1eadt l\u1ea1i wifi<\/b><span style=\"font-weight: 400;\"> ho\u1eb7c <\/span><b>kh\u1edfi \u0111\u1ed9ng l\u1ea1i \u0111i\u1ec7n tho\u1ea1i<\/b><span style=\"font-weight: 400;\"> th\u01b0\u1eddng gi\u00fap x\u00f3a b\u1ed9 nh\u1edb t\u1ea1m, reset k\u1ebft n\u1ed1i v\u00e0 kh\u1eafc ph\u1ee5c l\u1ed7i t\u1ea1m th\u1eddi.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>C\u00e1ch th\u1ef1c hi\u1ec7n:<\/b><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><b>Android\/iPhone:<\/b><span style=\"font-weight: 400;\"> V\u00e0o <\/span><b>C\u00e0i \u0111\u1eb7t &gt; Wifi<\/b><span style=\"font-weight: 400;\">, t\u1eaft wifi, ch\u1edd 10\u201315 gi\u00e2y r\u1ed3i b\u1eadt l\u1ea1i.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">N\u1ebfu v\u1eabn kh\u00f4ng v\u00e0o \u0111\u01b0\u1ee3c internet, t\u1eaft h\u1eb3n \u0111i\u1ec7n tho\u1ea1i, ch\u1edd 30 gi\u00e2y v\u00e0 b\u1eadt l\u1ea1i.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 b\u01b0\u1edbc \u0111\u01a1n gi\u1ea3n nh\u01b0ng hi\u1ec7u qu\u1ea3 \u0111\u1ec3 l\u1ea5y l\u1ea1i k\u1ebft n\u1ed1i m\u1ea1ng \u1ed5n \u0111\u1ecbnh.<\/span><\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-497643\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-03.jpg\" alt=\"wifi-da-ket-noi-nhung-khong-co-internet-03\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-03.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-03-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-03-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3 style=\"text-align: justify;\"><b>Qu\u00ean m\u1ea1ng wifi v\u00e0 k\u1ebft n\u1ed1i l\u1ea1i<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">N\u1ebfu th\u00f4ng tin k\u1ebft n\u1ed1i c\u0169 b\u1ecb l\u1ed7i ho\u1eb7c xung \u0111\u1ed9t, vi\u1ec7c <\/span><b>qu\u00ean m\u1ea1ng<\/b><span style=\"font-weight: 400;\"> s\u1ebd gi\u00fap thi\u1ebft l\u1eadp l\u1ea1i khi g\u1eb7p t\u00ecnh tr\u1ea1ng wifi \u0111\u00e3 k\u1ebft n\u1ed1i nh\u01b0ng kh\u00f4ng c\u00f3 internet.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>C\u00e1ch th\u1ef1c hi\u1ec7n:<\/b><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><b>Android:<\/b><span style=\"font-weight: 400;\"> V\u00e0o <\/span><b>C\u00e0i \u0111\u1eb7t &gt; Wifi<\/b><span style=\"font-weight: 400;\">, nh\u1ea5n gi\u1eef m\u1ea1ng \u0111ang k\u1ebft n\u1ed1i, ch\u1ecdn <\/span><b>Qu\u00ean m\u1ea1ng<\/b><span style=\"font-weight: 400;\">, r\u1ed3i t\u00ecm l\u1ea1i v\u00e0 nh\u1eadp m\u1eadt kh\u1ea9u.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>iPhone:<\/b><span style=\"font-weight: 400;\"> V\u00e0o <\/span><b>C\u00e0i \u0111\u1eb7t &gt; Wifi<\/b><span style=\"font-weight: 400;\">, nh\u1ea5n v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng <\/span><b>\u201ci\u201d<\/b><span style=\"font-weight: 400;\">, ch\u1ecdn <\/span><b>Qu\u00ean m\u1ea1ng<\/b><span style=\"font-weight: 400;\">, sau \u0111\u00f3 k\u1ebft n\u1ed1i l\u1ea1i.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u01b0\u1edbc n\u00e0y gi\u00fap \u0111i\u1ec7n tho\u1ea1i nh\u1eadn l\u1ea1i IP v\u00e0 c\u1ea5u h\u00ecnh m\u1ea1ng ch\u00ednh x\u00e1c, th\u01b0\u1eddng kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c l\u1ed7i m\u1ea5t internet.<\/span><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-497644\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-04.jpg\" alt=\"wifi-da-ket-noi-nhung-khong-co-internet-04\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-04.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-04-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-04-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3 style=\"text-align: justify;\"><b>Ki\u1ec3m tra c\u00e0i \u0111\u1eb7t IP v\u00e0 DNS khi wifi \u0111\u00e3 k\u1ebft n\u1ed1i nh\u01b0ng kh\u00f4ng c\u00f3 internet<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">IP t\u0129nh ho\u1eb7c DNS kh\u00f4ng ch\u00ednh x\u00e1c c\u00f3 th\u1ec3 khi\u1ebfn \u0111i\u1ec7n tho\u1ea1i kh\u00f4ng truy c\u1eadp internet d\u00f9 wifi v\u1eabn k\u1ebft n\u1ed1i.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>C\u00e1ch th\u1ef1c hi\u1ec7n:<\/b><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><b>Android:<\/b><span style=\"font-weight: 400;\"> V\u00e0o <\/span><b>C\u00e0i \u0111\u1eb7t &gt; Wifi &gt; N\u00e2ng cao &gt; C\u00e0i \u0111\u1eb7t IP<\/b><span style=\"font-weight: 400;\">, ch\u1ecdn <\/span><b>DHCP<\/b><span style=\"font-weight: 400;\"> \u0111\u1ec3 nh\u1eadn IP t\u1ef1 \u0111\u1ed9ng. C\u00f3 th\u1ec3 \u0111\u1ed5i DNS sang <\/span><b>8.8.8.8 \/ 8.8.4.4<\/b><span style=\"font-weight: 400;\"> \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh h\u01a1n.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>iPhone:<\/b><span style=\"font-weight: 400;\"> V\u00e0o <\/span><b>C\u00e0i \u0111\u1eb7t &gt; Wifi &gt; Nh\u1ea5n \u201ci\u201d &gt; \u0110\u1ecbnh c\u1ea5u h\u00ecnh IP<\/b><span style=\"font-weight: 400;\">, ch\u1ecdn <\/span><b>T\u1ef1 \u0111\u1ed9ng<\/b><span style=\"font-weight: 400;\">, \u0111\u1ed5i DNS n\u1ebfu c\u1ea7n.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u01b0\u1edbc n\u00e0y gi\u00fap thi\u1ebft b\u1ecb nh\u1eadn IP v\u00e0 DNS ch\u00ednh x\u00e1c, th\u01b0\u1eddng kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c l\u1ed7i m\u1ea5t internet.<\/span><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-497645\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-05.jpg\" alt=\"wifi-da-ket-noi-nhung-khong-co-internet-05\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-05.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-05-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-05-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3 style=\"text-align: justify;\"><b>C\u1eadp nh\u1eadt h\u1ec7 \u0111i\u1ec1u h\u00e0nh v\u00e0 \u1ee9ng d\u1ee5ng<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">H\u1ec7 \u0111i\u1ec1u h\u00e0nh l\u1ed7i th\u1eddi ho\u1eb7c \u1ee9ng d\u1ee5ng qu\u1ea3n l\u00fd m\u1ea1ng b\u1ecb xung \u0111\u1ed9t c\u00f3 th\u1ec3 khi\u1ebfn \u0111i\u1ec7n tho\u1ea1i m\u1ea5t internet.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>C\u00e1ch th\u1ef1c hi\u1ec7n:<\/b><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><b>Android:<\/b><span style=\"font-weight: 400;\"> V\u00e0o <\/span><b>C\u00e0i \u0111\u1eb7t &gt; C\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m<\/b><span style=\"font-weight: 400;\">, t\u1ea3i v\u00e0 c\u00e0i b\u1ea3n m\u1edbi nh\u1ea5t.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>iPhone:<\/b><span style=\"font-weight: 400;\"> V\u00e0o <\/span><b>C\u00e0i \u0111\u1eb7t &gt; C\u00e0i \u0111\u1eb7t chung &gt; C\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m<\/b><span style=\"font-weight: 400;\">, c\u1eadp nh\u1eadt phi\u00ean b\u1ea3n m\u1edbi.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u0110\u1ed3ng th\u1eddi, \u0111\u1ea3m b\u1ea3o c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n internet c\u0169ng \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt \u0111\u1ec3 tr\u00e1nh xung \u0111\u1ed9t.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Vi\u1ec7c n\u00e0y gi\u00fap \u0111i\u1ec7n tho\u1ea1i ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 k\u1ebft n\u1ed1i wifi m\u01b0\u1ee3t m\u00e0 h\u01a1n khi wifi \u0111\u00e3 k\u1ebft n\u1ed1i nh\u01b0ng kh\u00f4ng c\u00f3 internet.<\/span><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-497646\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-06.jpg\" alt=\"wifi-da-ket-noi-nhung-khong-co-internet-06\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-06.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-06-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-06-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3 style=\"text-align: justify;\"><b>Kh\u00f4i ph\u1ee5c c\u00e0i \u0111\u1eb7t m\u1ea1ng<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Khi wifi \u0111\u00e3 k\u1ebft n\u1ed1i nh\u01b0ng kh\u00f4ng c\u00f3 internet m\u00e0 th\u1eed c\u00e1c c\u00e1ch tr\u01b0\u1edbc kh\u00f4ng hi\u1ec7u qu\u1ea3, h\u00e3y <\/span><b>kh\u00f4i ph\u1ee5c c\u00e0i \u0111\u1eb7t m\u1ea1ng<\/b><span style=\"font-weight: 400;\"> \u0111\u1ec3 x\u00f3a to\u00e0n b\u1ed9 th\u00f4ng tin wifi \u0111\u00e3 l\u01b0u v\u00e0 thi\u1ebft l\u1eadp l\u1ea1i k\u1ebft n\u1ed1i.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>C\u00e1ch th\u1ef1c hi\u1ec7n:<\/b><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><b>Android:<\/b><span style=\"font-weight: 400;\"> V\u00e0o <\/span><b>C\u00e0i \u0111\u1eb7t &gt; H\u1ec7 th\u1ed1ng &gt; \u0110\u1eb7t l\u1ea1i &gt; Kh\u00f4i ph\u1ee5c c\u00e0i \u0111\u1eb7t m\u1ea1ng<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>iPhone:<\/b><span style=\"font-weight: 400;\"> V\u00e0o <\/span><b>C\u00e0i \u0111\u1eb7t &gt; C\u00e0i \u0111\u1eb7t chung &gt; \u0110\u1eb7t l\u1ea1i &gt; \u0110\u1eb7t l\u1ea1i c\u00e0i \u0111\u1eb7t m\u1ea1ng<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">L\u01b0u \u00fd: Thao t\u00e1c n\u00e0y s\u1ebd x\u00f3a wifi, Bluetooth, VPN v\u00e0 c\u00e1c c\u1ea5u h\u00ecnh m\u1ea1ng \u0111\u00e3 l\u01b0u, v\u00ec v\u1eady c\u1ea7n k\u1ebft n\u1ed1i l\u1ea1i sau khi ho\u00e0n t\u1ea5t.<\/span><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-497647\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-07.jpg\" alt=\"wifi-da-ket-noi-nhung-khong-co-internet-07\" width=\"800\" height=\"533\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-07.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-07-300x200.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-07-768x512.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3 style=\"text-align: justify;\"><b>Ki\u1ec3m tra router ho\u1eb7c ngu\u1ed3n ph\u00e1t khi wifi \u0111\u00e3 k\u1ebft n\u1ed1i nh\u01b0ng kh\u00f4ng c\u00f3 internet<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">N\u1ebfu \u0111i\u1ec7n tho\u1ea1i v\u1eabn kh\u00f4ng truy c\u1eadp internet, h\u00e3y ki\u1ec3m tra <\/span><b>router\/modem<\/b><span style=\"font-weight: 400;\">:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><b>Kh\u1edfi \u0111\u1ed9ng l\u1ea1i<\/b><span style=\"font-weight: 400;\">: T\u1eaft ngu\u1ed3n kho\u1ea3ng 30 gi\u00e2y r\u1ed3i b\u1eadt l\u1ea1i \u0111\u1ec3 l\u00e0m m\u1edbi k\u1ebft n\u1ed1i.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>H\u1ea1n ch\u1ebf thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i<\/b><span style=\"font-weight: 400;\">: Tr\u00e1nh qu\u00e1 nhi\u1ec1u thi\u1ebft b\u1ecb c\u00f9ng l\u00fac g\u00e2y qu\u00e1 t\u1ea3i m\u1ea1ng.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Ki\u1ec3m tra c\u00e0i \u0111\u1eb7t m\u1ea1ng<\/b><span style=\"font-weight: 400;\">: Xem c\u00e1c thi\u1ebft l\u1eadp nh\u01b0 gi\u1edbi h\u1ea1n IP ho\u1eb7c ch\u1ebf \u0111\u1ed9 b\u1ea3o m\u1eadt c\u00f3 qu\u00e1 cao hay kh\u00f4ng.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u01b0\u1edbc n\u00e0y gi\u00fap \u0111\u1ea3m b\u1ea3o ngu\u1ed3n ph\u00e1t wifi \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111i\u1ec7n tho\u1ea1i k\u1ebft n\u1ed1i internet tr\u1edf l\u1ea1i.<\/span><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-497648\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-08.jpg\" alt=\"wifi-da-ket-noi-nhung-khong-co-internet-08\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-08.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-08-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-08-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2 style=\"text-align: justify;\"><b>C\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i wifi \u0111\u00e3 k\u1ebft n\u1ed1i nh\u01b0ng kh\u00f4ng c\u00f3 internet tr\u00ean m\u00e1y t\u00ednh<\/b><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Khi m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n k\u1ebft n\u1ed1i wifi nh\u01b0ng kh\u00f4ng th\u1ec3 truy c\u1eadp internet, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 xu\u1ea5t ph\u00e1t t\u1eeb nhi\u1ec1u nguy\u00ean nh\u00e2n kh\u00e1c nhau. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c c\u00e1ch kh\u1eafc ph\u1ee5c hi\u1ec7u qu\u1ea3, gi\u00fap m\u00e1y t\u00ednh Windows ho\u1eb7c Mac c\u1ee7a b\u1ea1n nhanh ch\u00f3ng k\u1ebft n\u1ed1i l\u1ea1i internet.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><b>Kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u00e1y t\u00ednh v\u00e0 router<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Tr\u00ean m\u00e1y t\u00ednh, vi\u1ec7c <\/span><b>restart<\/b><span style=\"font-weight: 400;\"> gi\u00fap x\u00f3a b\u1ed9 nh\u1edb t\u1ea1m, reset driver m\u1ea1ng v\u00e0 lo\u1ea1i b\u1ecf l\u1ed7i t\u1ea1m th\u1eddi. \u0110\u1ed3ng th\u1eddi, b\u1ea1n c\u0169ng n\u00ean <\/span><b>t\u1eaft ngu\u1ed3n router\/modem trong 30 gi\u00e2y<\/b><span style=\"font-weight: 400;\"> r\u1ed3i b\u1eadt l\u1ea1i \u0111\u1ec3 thi\u1ebft b\u1ecb c\u1ea5p ph\u00e1t l\u1ea1i IP v\u00e0 k\u1ebft n\u1ed1i \u1ed5n \u0111\u1ecbnh.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>B\u01b0\u1edbc 1:<\/b><span style=\"font-weight: 400;\"> Kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u00e1y t\u00ednh \u0111\u1ec3 x\u00f3a b\u1ed9 nh\u1edb t\u1ea1m v\u00e0 reset driver m\u1ea1ng.<\/span><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-497649\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-09.jpg\" alt=\"wifi-da-ket-noi-nhung-khong-co-internet-09\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-09.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-09-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-09-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p style=\"text-align: justify;\"><b>B\u01b0\u1edbc 2:<\/b><span style=\"font-weight: 400;\"> T\u1eaft ngu\u1ed3n router\/modem kho\u1ea3ng 30 gi\u00e2y \u0111\u1ec3 thi\u1ebft b\u1ecb reset k\u1ebft n\u1ed1i.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>B\u01b0\u1edbc 3:<\/b><span style=\"font-weight: 400;\"> B\u1eadt l\u1ea1i router\/modem v\u00e0 ch\u1edd kh\u1edfi \u0111\u1ed9ng ho\u00e0n t\u1ea5t.<\/span><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-497650\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-10.jpg\" alt=\"wifi-da-ket-noi-nhung-khong-co-internet-10\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-10.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-10-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-10-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p style=\"text-align: justify;\"><b>B\u01b0\u1edbc 4:<\/b><span style=\"font-weight: 400;\"> K\u1ebft n\u1ed1i l\u1ea1i wifi tr\u00ean m\u00e1y t\u00ednh v\u00e0 ki\u1ec3m tra internet.<\/span><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-497651\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-11.jpg\" alt=\"wifi-da-ket-noi-nhung-khong-co-internet-11\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-11.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-11-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-11-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 b\u01b0\u1edbc c\u01a1 b\u1ea3n nh\u01b0ng hi\u1ec7u qu\u1ea3 \u0111\u1ec3 kh\u1eafc ph\u1ee5c h\u1ea7u h\u1ebft l\u1ed7i wifi \u0111\u00e3 k\u1ebft n\u1ed1i nh\u01b0ng kh\u00f4ng c\u00f3 internet.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><b>Thi\u1ebft l\u1eadp \u0111\u1ecba ch\u1ec9 IP t\u0129nh tr\u00ean Windows 10<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00e0i \u0111\u1eb7t IP t\u0129nh gi\u00fap k\u1ebft n\u1ed1i Internet \u1ed5n \u0111\u1ecbnh h\u01a1n, tr\u00e1nh t\u00ecnh tr\u1ea1ng xung \u0111\u1ed9t \u0111\u1ecba ch\u1ec9 gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb v\u00e0 kh\u1eafc ph\u1ee5c l\u1ed7i \u201cWi-Fi c\u00f3 k\u1ebft n\u1ed1i nh\u01b0ng kh\u00f4ng v\u00e0o \u0111\u01b0\u1ee3c m\u1ea1ng\u201d. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n:<\/span><\/p>\n<p style=\"text-align: justify;\"><b>B\u01b0\u1edbc 1:<\/b><span style=\"font-weight: 400;\"> Nh\u1ea5p chu\u1ed9t ph\u1ea3i v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng <\/span><b>Wi-Fi<\/b><span style=\"font-weight: 400;\"> ho\u1eb7c <\/span><b>m\u1ea1ng c\u00f3 d\u00e2y (LAN)<\/b><span style=\"font-weight: 400;\"> \u1edf g\u00f3c ph\u1ea3i thanh t\u00e1c v\u1ee5, sau \u0111\u00f3 ch\u1ecdn <\/span><b>Open Network &amp; Internet settings<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>B\u01b0\u1edbc 2:<\/b><span style=\"font-weight: 400;\"> Trong c\u1eeda s\u1ed5 <\/span><b>Settings<\/b><span style=\"font-weight: 400;\">, ch\u1ecdn m\u1ee5c <\/span><b>Status<\/b><span style=\"font-weight: 400;\">, r\u1ed3i ti\u1ebfp t\u1ee5c nh\u1ea5n <\/span><b>Network and Sharing Center<\/b><span style=\"font-weight: 400;\"> \u0111\u1ec3 m\u1edf ph\u1ea7n thi\u1ebft l\u1eadp chi ti\u1ebft.<\/span><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-497652\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-12.jpg\" alt=\"wifi-da-ket-noi-nhung-khong-co-internet-12\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-12.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-12-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-12-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p style=\"text-align: justify;\"><b>B\u01b0\u1edbc 3:<\/b><span style=\"font-weight: 400;\"> \u1ede m\u1ee5c <\/span><b>Connections<\/b><span style=\"font-weight: 400;\">, nh\u1ea5p v\u00e0o t\u00ean m\u1ea1ng b\u1ea1n \u0111ang s\u1eed d\u1ee5ng (Wi-Fi ho\u1eb7c LAN) \u0111\u1ec3 m\u1edf th\u00f4ng tin k\u1ebft n\u1ed1i.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>B\u01b0\u1edbc 4:<\/b><span style=\"font-weight: 400;\"> Ch\u1ecdn <\/span><b>Properties<\/b><span style=\"font-weight: 400;\">, sau \u0111\u00f3 b\u1ea5m v\u00e0o <\/span><b>Internet Protocol Version 4 (TCP\/IPv4)<\/b><span style=\"font-weight: 400;\"> v\u00e0 ch\u1ecdn <\/span><b>Properties<\/b><span style=\"font-weight: 400;\"> th\u00eam m\u1ed9t l\u1ea7n n\u1eefa.<\/span><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-497653\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-13.jpg\" alt=\"wifi-da-ket-noi-nhung-khong-co-internet-13\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-13.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-13-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-13-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p style=\"text-align: justify;\"><b>B\u01b0\u1edbc 5:<\/b><span style=\"font-weight: 400;\"> T\u1ea1i ph\u1ea7n <\/span><b>General<\/b><span style=\"font-weight: 400;\">, \u0111\u00e1nh d\u1ea5u v\u00e0o t\u00f9y ch\u1ecdn <\/span><b>Use the following IP address<\/b><span style=\"font-weight: 400;\"> v\u00e0 <\/span><b>Use the following DNS server addresses<\/b><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\"> Nh\u1eadp th\u00f4ng tin c\u1ea7n thi\u1ebft g\u1ed3m:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><b>IP address<\/b><span style=\"font-weight: 400;\"> (\u0110\u1ecba ch\u1ec9 IP t\u0129nh b\u1ea1n mu\u1ed1n \u0111\u1eb7t)<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Subnet mask<\/b><b><br \/>\n<\/b><\/li>\n<li style=\"font-weight: 400;\"><b>Default gateway<\/b><b><br \/>\n<\/b><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Cu\u1ed1i c\u00f9ng, nh\u1ea5n <\/span><b>OK<\/b><span style=\"font-weight: 400;\"> \u0111\u1ec3 l\u01b0u l\u1ea1i v\u00e0 kh\u1edfi \u0111\u1ed9ng l\u1ea1i k\u1ebft n\u1ed1i m\u1ea1ng \u0111\u1ec3 ho\u00e0n t\u1ea5t qu\u00e1 tr\u00ecnh thi\u1ebft l\u1eadp khi wifi \u0111\u00e3 k\u1ebft n\u1ed1i nh\u01b0ng kh\u00f4ng c\u00f3 internet.<\/span><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-497654\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-14.jpg\" alt=\"wifi-da-ket-noi-nhung-khong-co-internet-14\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-14.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-14-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-14-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3 style=\"text-align: justify;\"><b>Ki\u1ec3m tra \u0111\u1ecba ch\u1ec9 IP v\u00e0 DNS<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">L\u1ed7i IP t\u0129nh ho\u1eb7c DNS kh\u00f4ng \u0111\u00fang l\u00e0 nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn khi\u1ebfn wifi \u0111\u00e3 k\u1ebft n\u1ed1i nh\u01b0ng kh\u00f4ng c\u00f3 internet.<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><b>Tr\u00ean Windows:<\/b><span style=\"font-weight: 400;\"> V\u00e0o <\/span><b>Control Panel &gt; Network and Sharing Center &gt; Change adapter settings &gt; Properties &gt; Internet Protocol Version 4 (TCP\/IPv4)<\/b><span style=\"font-weight: 400;\">, sau \u0111\u00f3 ch\u1ecdn <\/span><b>Obtain an IP address automatically<\/b><span style=\"font-weight: 400;\"> v\u00e0 <\/span><b>Obtain DNS server address automatically<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Tr\u00ean Mac:<\/b><span style=\"font-weight: 400;\"> V\u00e0o <\/span><b>Network &gt; Advanced &gt; TCP\/IP<\/b><span style=\"font-weight: 400;\">, ch\u1ecdn <\/span><b>Using DHCP<\/b><span style=\"font-weight: 400;\"> \u0111\u1ec3 m\u00e1y t\u00ednh t\u1ef1 \u0111\u1ed9ng nh\u1eadn IP v\u00e0 DNS.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u01b0\u1edbc n\u00e0y gi\u00fap thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i internet \u1ed5n \u0111\u1ecbnh m\u00e0 kh\u00f4ng c\u1ea7n thao t\u00e1c ph\u1ee9c t\u1ea1p.<\/span><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-497655\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-15.jpg\" alt=\"wifi-da-ket-noi-nhung-khong-co-internet-15\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-15.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-15-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-15-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3 style=\"text-align: justify;\"><b>X\u00f3a cache DNS<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Cache DNS l\u1ed7i th\u1eddi c\u00f3 th\u1ec3 khi\u1ebfn m\u00e1y t\u00ednh kh\u00f4ng truy c\u1eadp \u0111\u01b0\u1ee3c internet, ngay c\u1ea3 khi wifi v\u1eabn k\u1ebft n\u1ed1i.<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><b>Tr\u00ean Windows:<\/b><span style=\"font-weight: 400;\"> M\u1edf <\/span><b>Command Prompt<\/b><span style=\"font-weight: 400;\"> v\u00e0 ch\u1ea1y l\u1ec7nh: ipconfig \/flushdns. Sau \u0111\u00f3 nh\u1ea5n Enter, h\u1ec7 th\u1ed1ng s\u1ebd x\u00f3a to\u00e0n b\u1ed9 cache DNS c\u0169.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Tr\u00ean Mac:<\/b><span style=\"font-weight: 400;\"> M\u1edf <\/span><b>Terminal<\/b><span style=\"font-weight: 400;\"> v\u00e0 nh\u1eadp l\u1ea7n l\u01b0\u1ee3t: sudo dscacheutil -flushcache r\u1ed3i sudo killall -HUP mDNSResponder. Sau \u0111\u00f3 nh\u1ea5n Enter, nh\u1eadp m\u1eadt kh\u1ea9u n\u1ebfu \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Sau khi x\u00f3a cache DNS, h\u00e3y th\u1eed truy c\u1eadp l\u1ea1i trang web \u0111\u1ec3 ki\u1ec3m tra k\u1ebft n\u1ed1i. \u0110\u00e2y l\u00e0 b\u01b0\u1edbc \u0111\u01a1n gi\u1ea3n nh\u01b0ng hi\u1ec7u qu\u1ea3 \u0111\u1ec3 kh\u1eafc ph\u1ee5c l\u1ed7i wifi \u0111\u00e3 k\u1ebft n\u1ed1i nh\u01b0ng kh\u00f4ng c\u00f3 internet li\u00ean quan \u0111\u1ebfn DNS.<\/span><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-497656\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-16.jpg\" alt=\"wifi-da-ket-noi-nhung-khong-co-internet-16\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-16.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-16-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-16-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3 style=\"text-align: justify;\"><b>C\u1eadp nh\u1eadt driver m\u1ea1ng khi wifi \u0111\u00e3 k\u1ebft n\u1ed1i nh\u01b0ng kh\u00f4ng c\u00f3 internet<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Driver wifi l\u1ed7i th\u1eddi ho\u1eb7c xung \u0111\u1ed9t ph\u1ea7n m\u1ec1m c\u00f3 th\u1ec3 khi\u1ebfn m\u00e1y t\u00ednh k\u1ebft n\u1ed1i wifi nh\u01b0ng kh\u00f4ng truy c\u1eadp internet \u0111\u01b0\u1ee3c.<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><b>Tr\u00ean Windows:<\/b><span style=\"font-weight: 400;\"> V\u00e0o <\/span><b>Device Manager &gt; Network adapters<\/b><span style=\"font-weight: 400;\">, ch\u1ecdn card wifi v\u00e0 nh\u1ea5n <\/span><b>Update driver<\/b><span style=\"font-weight: 400;\"> \u0111\u1ec3 c\u00e0i \u0111\u1eb7t phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Tr\u00ean Mac:<\/b><span style=\"font-weight: 400;\"> C\u1eadp nh\u1eadt <\/span><b>macOS<\/b><span style=\"font-weight: 400;\"> s\u1ebd t\u1ef1 \u0111\u1ed9ng n\u00e2ng c\u1ea5p driver m\u1ea1ng, gi\u00fap kh\u1eafc ph\u1ee5c c\u00e1c s\u1ef1 c\u1ed1 k\u1ebft n\u1ed1i.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Vi\u1ec7c c\u1eadp nh\u1eadt driver \u0111\u1ea3m b\u1ea3o m\u00e1y t\u00ednh nh\u1eadn t\u00edn hi\u1ec7u wifi \u1ed5n \u0111\u1ecbnh v\u00e0 truy c\u1eadp internet m\u01b0\u1ee3t m\u00e0.<\/span><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-497657\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-17.jpg\" alt=\"wifi-da-ket-noi-nhung-khong-co-internet-17\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-17.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-17-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-17-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3 style=\"text-align: justify;\"><b>Ki\u1ec3m tra firewall v\u00e0 ph\u1ea7n m\u1ec1m di\u1ec7t virus<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u00f4i khi, <\/span><b>firewall<\/b><span style=\"font-weight: 400;\"> ho\u1eb7c <\/span><b>ph\u1ea7n m\u1ec1m di\u1ec7t virus<\/b><span style=\"font-weight: 400;\"> tr\u00ean m\u00e1y t\u00ednh c\u00f3 th\u1ec3 ch\u1eb7n k\u1ebft n\u1ed1i internet, d\u00f9 wifi v\u1eabn hi\u1ec3n th\u1ecb k\u1ebft n\u1ed1i b\u00ecnh th\u01b0\u1eddng. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng x\u1ea3y ra khi ph\u1ea7n m\u1ec1m b\u1ea3o m\u1eadt nh\u1eadn di\u1ec7n nh\u1ea7m c\u00e1c ho\u1ea1t \u0111\u1ed9ng m\u1ea1ng l\u00e0 nguy c\u01a1 v\u00e0 ch\u1eb7n truy c\u1eadp.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>C\u00e1ch th\u1ef1c hi\u1ec7n:<\/b><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">T\u1ea1m th\u1eddi <\/span><b>t\u1eaft firewall ho\u1eb7c antivirus<\/b><span style=\"font-weight: 400;\"> v\u00e0 ki\u1ec3m tra xem internet c\u00f3 ho\u1ea1t \u0111\u1ed9ng tr\u1edf l\u1ea1i kh\u00f4ng.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">N\u1ebfu k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c ph\u1ee5c h\u1ed3i, h\u00e3y <\/span><b>\u0111i\u1ec1u ch\u1ec9nh c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m<\/b><span style=\"font-weight: 400;\"> \u0111\u1ec3 cho ph\u00e9p truy c\u1eadp internet, ho\u1eb7c c\u00e2n nh\u1eafc <\/span><b>s\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m kh\u00e1c<\/b><span style=\"font-weight: 400;\"> \u00edt g\u00e2y xung \u0111\u1ed9t h\u01a1n.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 b\u01b0\u1edbc \u0111\u01a1n gi\u1ea3n nh\u01b0ng hi\u1ec7u qu\u1ea3 \u0111\u1ec3 ph\u00e1t hi\u1ec7n nguy\u00ean nh\u00e2n wifi \u0111\u00e3 k\u1ebft n\u1ed1i nh\u01b0ng kh\u00f4ng c\u00f3 internet m\u00e0 kh\u00f4ng c\u1ea7n thao t\u00e1c ph\u1ee9c t\u1ea1p.<\/span><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-497658\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-18.jpg\" alt=\"wifi-da-ket-noi-nhung-khong-co-internet-18\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-18.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-18-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/10\/wifi-da-ket-noi-nhung-khong-co-internet-18-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2 style=\"text-align: justify;\"><b>T\u1ea1m k\u1ebft<\/b><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">L\u1ed7i <\/span><b>wifi \u0111\u00e3 k\u1ebft n\u1ed1i nh\u01b0ng kh\u00f4ng c\u00f3 internet<\/b><span style=\"font-weight: 400;\"> c\u00f3 th\u1ec3 xu\u1ea5t ph\u00e1t t\u1eeb nhi\u1ec1u nguy\u00ean nh\u00e2n, t\u1eeb s\u1ef1 c\u1ed1 nh\u00e0 m\u1ea1ng, thi\u1ebft b\u1ecb ph\u00e1t, c\u1ea5u h\u00ecnh sai tr\u00ean thi\u1ebft b\u1ecb, \u0111\u1ebfn ph\u1ea7n m\u1ec1m l\u1ed7i th\u1eddi. B\u1eb1ng c\u00e1ch nh\u1eadn bi\u1ebft d\u1ea5u hi\u1ec7u, ki\u1ec3m tra nguy\u00ean nh\u00e2n v\u00e0 \u00e1p d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u1eafc ph\u1ee5c tr\u00ean \u0111i\u1ec7n tho\u1ea1i v\u00e0 m\u00e1y t\u00ednh, b\u1ea1n ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 t\u1ef1 x\u1eed l\u00fd t\u1ea1i nh\u00e0 m\u00e0 kh\u00f4ng c\u1ea7n k\u1ef9 thu\u1eadt vi\u00ean. H\u00e3y b\u1eaft \u0111\u1ea7u t\u1eeb c\u00e1c b\u01b0\u1edbc \u0111\u01a1n gi\u1ea3n nh\u01b0 kh\u1edfi \u0111\u1ed9ng l\u1ea1i thi\u1ebft b\u1ecb, qu\u00ean m\u1ea1ng, ki\u1ec3m tra IP\/DNS, r\u1ed3i m\u1edbi ti\u1ebfn t\u1edbi c\u00e1c thao t\u00e1c n\u00e2ng cao \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o internet lu\u00f4n \u1ed5n \u0111\u1ecbnh.<\/span><\/p>\n<p style=\"text-align: justify;\"><strong>XEM TH\u00caM:<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/cach-doi-mat-khau-wifi-tp-link\/\">C\u00e1ch \u0111\u1ed5i m\u1eadt kh\u1ea9u WiFi TP-Link, Tenda, FPT, Viettel, \u2026 c\u1ef1c nhanh ch\u00f3ng<\/a><\/strong><\/p>\n<p style=\"text-align: justify;\"><strong><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/card-wifi-laptop\/\">Card Wifi laptop b\u1ecb l\u1ed7i do \u0111\u00e2u? Nguy\u00ean nh\u00e2n v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c nhanh ch\u00f3ng<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong th\u1eddi \u0111\u1ea1i s\u1ed1, k\u1ebft n\u1ed1i internet \u1ed5n \u0111\u1ecbnh l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 h\u1ecdc t\u1eadp, l\u00e0m vi\u1ec7c v\u00e0 gi\u1ea3i tr\u00ed. Tuy nhi\u00ean, \u0111\u00f4i khi b\u1ea1n g\u1eb7p ph\u1ea3i t\u00ecnh tr\u1ea1ng wifi \u0111\u00e3 k\u1ebft n\u1ed1i nh\u01b0ng kh\u00f4ng c\u00f3 internet, khi\u1ebfn thi\u1ebft b\u1ecb hi\u1ec3n th\u1ecb k\u1ebft n\u1ed1i b\u00ecnh th\u01b0\u1eddng nh\u01b0ng kh\u00f4ng th\u1ec3 truy c\u1eadp web, xem [&hellip;]<\/p>\n","protected":false},"author":113,"featured_media":497659,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29235,3910,30453],"tags":[],"class_list":["post-497640","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goc-to-mo","category-kham-pha","category-kien-thuc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>C\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i Wifi \u0111\u00e3 k\u1ebft n\u1ed1i nh\u01b0ng kh\u00f4ng c\u00f3 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