{"id":431311,"date":"2025-01-23T16:14:47","date_gmt":"2025-01-23T09:14:47","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=431311"},"modified":"2025-01-23T16:14:47","modified_gmt":"2025-01-23T09:14:47","slug":"tivi-khong-ket-noi-duoc-wifi","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/tivi-khong-ket-noi-duoc-wifi\/","title":{"rendered":"Tivi kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi: nguy\u00ean nh\u00e2n v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c d\u1ec5 nh\u1ea5t"},"content":{"rendered":"

Ba\u0323n \u0111ang g\u0103\u0323p tr\u01b0\u01a1\u0300ng h\u01a1\u0323p<\/span> tivi kh\u00f4ng k\u00ea\u0301t n\u00f4\u0301i \u0111\u01b0\u01a1\u0323c wifi<\/b> va\u0300 g\u00e2y ra nhi\u00ea\u0300u b\u00e2\u0301t ti\u00ea\u0323n cho vi\u00ea\u0323c tra\u0309i nghi\u00ea\u0323m gia\u0309i tri\u0301 trong gia \u0111i\u0300nh ba\u0323n. Y\u00ean t\u00e2m, mo\u0323i v\u00e2\u0301n \u0111\u00ea\u0300 \u0111\u00ea\u0300u co\u0301 nguy\u00ean nh\u00e2n va\u0300 h\u01b0\u01a1\u0301ng kh\u0103\u0301c phu\u0323c cu\u0309a no\u0301. Ba\u0323n chi\u0309 c\u00e2\u0300n da\u0300nh i\u0301t phu\u0301t \u0111o\u0323c ba\u0300i vi\u00ea\u0301t na\u0300y cu\u0309a Hoa\u0300ng Ha\u0300 Mobile la\u0300 se\u0303 bi\u00ea\u0301t ca\u0301ch kh\u0103\u0301c phu\u0323c smart tivi cu\u0309a mi\u0300nh ngay.<\/span><\/p>\n

Nguy\u00ean nh\u00e2n tivi kh\u00f4ng k\u00ea\u0301t n\u00f4\u0301i \u0111\u01b0\u01a1\u0323c wifi<\/b><\/h2>\n

Theo th\u00f4\u0301ng k\u00ea, hi\u00ea\u0323n ta\u0323i co\u0301 r\u00e2\u0301t nhi\u00ea\u0300u nguy\u00ean nh\u00e2n khi\u00ea\u0301n cho tivi cu\u0309a ba\u0323n kh\u00f4ng th\u00ea\u0309 k\u00ea\u0301t n\u00f4\u0301i \u0111\u01b0\u01a1\u0323c ma\u0323ng. Nh\u01b0ng ba\u0323n ha\u0303y bi\u0300nh ti\u0303nh, vi\u00ea\u0323c hi\u00ea\u0309u ro\u0303 t\u01b0\u0300ng nguy\u00ean nh\u00e2n se\u0303 giu\u0301p ba\u0323n ti\u0300m ki\u00ea\u0301m gia\u0309i pha\u0301p kh\u0103\u0301c phu\u0323c phu\u0300 h\u01a1\u0323p nh\u00e2\u0301t.<\/span><\/p>\n

L\u1ed7i m\u1ea1ng wifi<\/b><\/h3>\n

M\u1ea1ng wifi y\u1ebfu ho\u1eb7c kh\u00f4ng \u1ed5n \u0111\u1ecbnh c\u00f3 th\u1ec3 khi\u1ebfn tivi kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi Internet, g\u00e2y ra c\u00e1c s\u1ef1 c\u1ed1 khi b\u1ea1n mu\u1ed1n xem n\u1ed9i dung tr\u1ef1c tuy\u1ebfn ho\u1eb7c s\u1eed d\u1ee5ng c\u00e1c t\u00ednh n\u0103ng smart c\u1ee7a tivi. L\u1ed7i n\u00e0y th\u01b0\u1eddng x\u1ea3y ra khi t\u00edn hi\u1ec7u wifi t\u1eeb router kh\u00f4ng \u0111\u1ee7 m\u1ea1nh \u0111\u1ec3 ph\u1ee7 s\u00f3ng \u0111\u1ebfn tivi, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong nh\u1eefng c\u0103n ph\u00f2ng xa router ho\u1eb7c khi c\u00f3 nhi\u1ec1u v\u1eadt c\u1ea3n nh\u01b0 t\u01b0\u1eddng ho\u1eb7c \u0111\u1ed3 \u0111\u1ea1c l\u1edbn.<\/span><\/p>\n

\"tivi-khong-ket-noi-duoc-wifi-1\"<\/picture><\/p>\n

B\u00ean ca\u0323nh \u0111o\u0301, vi\u1ec7c router b\u1ecb qu\u00e1 t\u1ea3i c\u0169ng c\u00f3 th\u1ec3 l\u00e0 nguy\u00ean nh\u00e2n. Khi nhi\u1ec1u thi\u1ebft b\u1ecb c\u00f9ng k\u1ebft n\u1ed1i v\u00e0o m\u1ed9t m\u1ea1ng wifi, b\u0103ng th\u00f4ng c\u1ee7a router b\u1ecb chia s\u1ebb, d\u1eabn \u0111\u1ebfn vi\u1ec7c tivi kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i ho\u1eb7c k\u1ebft n\u1ed1i kh\u00f4ng \u1ed5n \u0111\u1ecbnh. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng x\u1ea3y ra trong c\u00e1c gia \u0111\u00ecnh c\u00f3 nhi\u1ec1u thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i internet nh\u01b0 \u0111i\u1ec7n tho\u1ea1i, m\u00e1y t\u00ednh, ho\u1eb7c c\u00e1c thi\u1ebft b\u1ecb smart kh\u00e1c.<\/span><\/p>\n

M\u1ed9t nguy\u00ean nh\u00e2n kh\u00e1c l\u00e0 s\u1ef1 can thi\u1ec7p t\u1eeb c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed kh\u00e1c trong nh\u00e0, ch\u1eb3ng h\u1ea1n nh\u01b0 l\u00f2 vi s\u00f3ng, \u0111i\u1ec7n tho\u1ea1i kh\u00f4ng d\u00e2y, ho\u1eb7c c\u00e1c thi\u1ebft b\u1ecb ph\u00e1t s\u00f3ng kh\u00e1c c\u00f3 th\u1ec3 g\u00e2y nhi\u1ec5u s\u00f3ng wifi. Khi b\u1ecb nhi\u1ec5u, tivi kh\u00f4ng th\u1ec3 nh\u1eadn t\u00edn hi\u1ec7u m\u1ea1nh v\u00e0 \u1ed5n \u0111\u1ecbnh t\u1eeb router, d\u1eabn \u0111\u1ebfn l\u1ed7i k\u1ebft n\u1ed1i.<\/span><\/p>\n

C\u00e0i \u0111\u1eb7t IP sai<\/b><\/h3>\n

Tivi kh\u00f4ng k\u00ea\u0301t n\u00f4\u0301i \u0111\u01b0\u01a1\u0323c wifi<\/b> cu\u0303ng co\u0301 th\u00ea\u0309 xu\u00e2\u0301t pha\u0301t t\u01b0\u0300 thao ta\u0301c ca\u0300i \u0111\u0103\u0323t sai \u0111i\u0323a chi\u0309 IP. Th\u00f4ng th\u01b0\u1eddng, c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 tivi s\u1ebd t\u1ef1 \u0111\u1ed9ng nh\u1eadn \u0111\u1ecba ch\u1ec9 IP t\u1eeb router th\u00f4ng qua m\u1ed9t giao th\u1ee9c g\u1ecdi l\u00e0 DHCP (Dynamic Host Configuration Protocol). Tuy nhi\u00ean, trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, tivi c\u00f3 th\u1ec3 g\u1eb7p s\u1ef1 c\u1ed1 khi nh\u1eadn IP t\u1ef1 \u0111\u1ed9ng, ch\u1eb3ng h\u1ea1n nh\u01b0 khi router g\u1eb7p l\u1ed7i ho\u1eb7c khi c\u00f3 s\u1ef1 can thi\u1ec7p t\u1eeb c\u00e1c c\u00e0i \u0111\u1eb7t b\u1ea3o m\u1eadt trong m\u1ea1ng. D\u1eabn \u0111\u1ebfn vi\u1ec7c tivi kh\u00f4ng nh\u1eadn \u0111\u01b0\u1ee3c IP ho\u1eb7c nh\u1eadn \u0111\u1ecba ch\u1ec9 IP sai, khi\u1ebfn thi\u00ea\u0301t bi\u0323 kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i v\u00e0o wifi.<\/span><\/p>\n

\"tivi-khong-ket-noi-duoc-wifi-2\"<\/picture><\/p>\n

Th\u00eam va\u0300o \u0111o\u0301, l\u1ed7i IP cu\u0303ng co\u0301 th\u00ea\u0309 xu\u00e2\u0301t pha\u0301t t\u01b0\u0300 vi\u00ea\u0323c b\u1ea1n s\u1eed d\u1ee5ng \u0111\u1ecba ch\u1ec9 IP t\u0129nh thay v\u00ec DHCP. \u0110\u1ecba ch\u1ec9 IP t\u0129nh y\u00eau c\u1ea7u ng\u01b0\u1eddi d\u00f9ng ph\u1ea3i t\u1ef1 c\u1ea5u h\u00ecnh m\u1ed9t d\u00e3y \u0111\u1ecba ch\u1ec9 c\u1ee5 th\u1ec3. N\u00ea\u0301u c\u00f3 sai s\u00f3t trong vi\u1ec7c nh\u1eadp th\u00f4ng tin, ch\u1eb3ng h\u1ea1n nh\u01b0 sai d\u00e3y \u0111\u1ecba ch\u1ec9 IP, sai subnet mask, ho\u1eb7c gateway kh\u00f4ng \u0111\u00fang, tivi s\u1ebd kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i v\u00e0o m\u1ea1ng. \u0110\u1eb7c bi\u1ec7t, n\u1ebfu c\u00f3 nhi\u1ec1u thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng \u0111\u1ecba ch\u1ec9 IP t\u0129nh v\u00e0 b\u1ecb tr\u00f9ng l\u1eb7p, vi\u1ec7c n\u00e0y c\u00f3 th\u1ec3 g\u00e2y xung \u0111\u1ed9t v\u00e0 l\u00e0m gi\u00e1n \u0111o\u1ea1n k\u1ebft n\u1ed1i c\u1ee7a tivi.<\/span><\/p>\n

Tivi kh\u00f4ng t\u01b0\u01a1ng th\u00edch v\u1edbi b\u0103ng t\u1ea7n wifi<\/b><\/h3>\n

B\u0103ng t\u1ea7n 2.4GHz l\u00e0 b\u0103ng t\u1ea7n ph\u1ed5 bi\u1ebfn nh\u1ea5t, c\u00f3 ph\u1ea1m vi ph\u1ee7 s\u00f3ng r\u1ed9ng h\u01a1n v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng \u0111i qua c\u00e1c v\u1eadt c\u1ea3n nh\u01b0 t\u01b0\u1eddng t\u1ed1t h\u01a1n. Tuy nhi\u00ean, b\u0103ng t\u1ea7n n\u00e0y c\u00f3 t\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u th\u1ea5p h\u01a1n v\u00e0 d\u1ec5 b\u1ecb nhi\u1ec5u t\u1eeb c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed kh\u00e1c nh\u01b0 l\u00f2 vi s\u00f3ng, \u0111i\u1ec7n tho\u1ea1i kh\u00f4ng d\u00e2y, hay c\u00e1c thi\u1ebft b\u1ecb wifi kh\u00e1c trong nh\u00e0.\u00a0<\/span><\/p>\n

\"tivi-khong-ket-noi-duoc-wifi-3\"<\/picture><\/p>\n

B\u0103ng t\u1ea7n 5GHz, ng\u01b0\u1ee3c l\u1ea1i, c\u00f3 t\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1ea3i nhanh h\u01a1n, \u00edt b\u1ecb nhi\u1ec5u v\u00e0 ph\u00f9 h\u1ee3p cho c\u00e1c thi\u1ebft b\u1ecb y\u00eau c\u1ea7u b\u0103ng th\u00f4ng cao nh\u01b0 tivi \u0111\u1ec3 ph\u00e1t tr\u1ef1c tuy\u1ebfn video ch\u1ea5t l\u01b0\u1ee3ng cao. Tuy nhi\u00ean, b\u0103ng t\u1ea7n 5GHz c\u00f3 ph\u1ea1m vi ph\u1ee7 s\u00f3ng ng\u1eafn h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng xuy\u00ean t\u01b0\u1eddng k\u00e9m h\u01a1n.<\/span><\/p>\n

V\u00e2\u0301n \u0111\u00ea\u0300<\/span> tivi kh\u00f4ng k\u00ea\u0301t n\u00f4\u0301i \u0111\u01b0\u01a1\u0323c wifi <\/b>khi tivi c\u1ee7a b\u1ea1n ch\u1ec9 h\u1ed7 tr\u1ee3 k\u1ebft n\u1ed1i v\u1edbi b\u0103ng t\u1ea7n 2.4GHz v\u00e0 router nh\u00e0 b\u1ea1n ch\u1ec9 ph\u00e1t wifi tr\u00ean b\u0103ng t\u1ea7n 5GHz. Khi \u0111\u00f3, tivi s\u1ebd kh\u00f4ng th\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng wifi. Ng\u01b0\u1ee3c l\u1ea1i, n\u1ebfu router ch\u1ec9 ph\u00e1t s\u00f3ng b\u0103ng t\u1ea7n 2.4GHz v\u00e0 tivi c\u1ee7a b\u1ea1n ch\u1ec9 h\u1ed7 tr\u1ee3 5GHz, tivi c\u0169ng s\u1ebd kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c. \u0110i\u00ea\u0300u na\u0300y th\u01b0\u01a1\u0300ng xa\u0309y ra khi b\u1ea1n n\u00e2ng c\u1ea5p router l\u00ean c\u00e1c m\u1eabu m\u1edbi c\u00f3 h\u1ed7 tr\u1ee3 b\u0103ng t\u1ea7n k\u00e9p (dual-band) m\u00e0 tivi c\u1ee7a b\u1ea1n l\u1ea1i kh\u00f4ng t\u01b0\u01a1ng th\u00edch v\u1edbi m\u1ed9t trong hai b\u0103ng t\u1ea7n.<\/span><\/p>\n

L\u1ed7i ph\u1ea7n m\u1ec1m ho\u1eb7c ph\u1ea7n c\u1ee9ng c\u1ee7a tivi<\/b><\/h3>\n

Ph\u1ea7n m\u1ec1m c\u1ee7a tivi, hay c\u00f2n g\u1ecdi l\u00e0 h\u1ec7 \u0111i\u1ec1u h\u00e0nh (v\u00ed d\u1ee5: Tizen tr\u00ean Samsung, WebOS tr\u00ean LG, Android TV tr\u00ean c\u00e1c tivi kh\u00e1c), c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i l\u1ed7i ho\u1eb7c s\u1ef1 c\u1ed1 do c\u1eadp nh\u1eadt kh\u00f4ng th\u00e0nh c\u00f4ng, xung \u0111\u1ed9t ph\u1ea7n m\u1ec1m, ho\u1eb7c c\u00e0i \u0111\u1eb7t kh\u00f4ng \u0111\u00fang. Nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i wifi c\u1ee7a tivi. M\u1ed9t s\u1ed1 tivi c\u1ea7n ph\u1ea3i c\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m m\u1edbi \u0111\u1ec3 s\u1eeda l\u1ed7i ho\u1eb7c c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i m\u1ea1ng. N\u1ebfu tivi c\u1ee7a b\u1ea1n ch\u01b0a \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt phi\u00ean b\u1ea3n ph\u1ea7n m\u1ec1m m\u1edbi nh\u1ea5t, vi\u1ec7c k\u1ebft n\u1ed1i wifi c\u00f3 th\u1ec3 g\u1eb7p kh\u00f3 kh\u0103n ho\u1eb7c th\u1eadm ch\u00ed kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c.<\/span><\/p>\n

\"tivi-khong-ket-noi-duoc-wifi-4\"<\/picture><\/p>\n

Ch\u01b0a h\u00ea\u0301t, l\u1ed7i ph\u1ea7n c\u1ee9ng c\u1ee7a tivi c\u0169ng l\u00e0 m\u1ed9t nguy\u00ean nh\u00e2n quan tr\u1ecdng kh\u00f4ng th\u1ec3 b\u1ecf qua. C\u00e1c linh ki\u1ec7n nh\u01b0 b\u1ed9 thu wifi t\u00edch h\u1ee3p (wifi module) c\u00f3 th\u1ec3 g\u1eb7p s\u1ef1 c\u1ed1 v\u1ec1 k\u1ebft n\u1ed1i. B\u1ed9 thu wifi n\u00e0y c\u00f3 nhi\u1ec7m v\u1ee5 nh\u1eadn t\u00edn hi\u1ec7u t\u1eeb router v\u00e0 truy\u1ec1n t\u1ea3i th\u00f4ng tin \u0111\u1ebfn tivi. N\u1ebfu b\u1ed9 ph\u1eadn n\u00e0y kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang, tivi s\u1ebd kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng wifi d\u00f9 c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c v\u1eabn ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng. M\u1ed9t s\u1ed1 tivi c\u0169ng g\u1eb7p v\u1ea5n \u0111\u1ec1 v\u1edbi c\u00e1c linh ki\u1ec7n kh\u00e1c nh\u01b0 bo m\u1ea1ch ch\u1ee7 ho\u1eb7c d\u00e2y k\u1ebft n\u1ed1i, g\u00e2y ra t\u00ecnh tr\u1ea1ng tivi kh\u00f4ng th\u1ec3 nh\u1eadn t\u00edn hi\u1ec7u t\u1eeb m\u1ea1ng.<\/span><\/p>\n

H\u01b0\u01a1\u0301ng d\u00e2\u0303n ca\u0301ch kh\u0103\u0301c phu\u0323c l\u00f4\u0303i tivi kh\u00f4ng k\u00ea\u0301t n\u00f4\u0301i \u0111\u01b0\u01a1\u0323c wifi<\/b><\/h2>\n

Khi g\u0103\u0323p pha\u0309i l\u00f4\u0303i tivi kh\u00f4ng k\u00ea\u0301t n\u00f4\u0301i \u0111\u01b0\u01a1\u0323c v\u01a1\u0301i ma\u0323ng, b\u1ea1n c\u00f3 th\u1ec3 th\u1eed c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u1eafc ph\u1ee5c sau \u0111\u00e2y \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1. Nh\u01b0\u0303ng ca\u0301ch kh\u0103\u0301c phu\u0323c na\u0300y r\u00e2\u0301t \u0111\u01a1n gia\u0309n va\u0300 ba\u0323n co\u0301 th\u00ea\u0309 th\u01b0\u0323c hi\u00ea\u0323n ta\u0323i nha\u0300 (n\u00ea\u0301u \u0111\u01b0\u01a1\u0323c) nhe\u0301.<\/span><\/p>\n

Ki\u1ec3m tra modem<\/b><\/h3>\n

\u0110\u00e8n b\u00e1o tr\u1ea1ng th\u00e1i tr\u00ean modem l\u00e0 m\u1ed9t ch\u1ec9 s\u1ed1 quan tr\u1ecdng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh modem c\u00f3 ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng hay kh\u00f4ng. Ki\u1ec3m tra c\u00e1c \u0111\u00e8n tr\u00ean modem, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u00e8n internet (WAN) v\u00e0 wifi. N\u1ebfu \u0111\u00e8n kh\u00f4ng s\u00e1ng ho\u1eb7c nh\u1ea5p nh\u00e1y kh\u00f4ng b\u00ecnh th\u01b0\u1eddng, modem c\u00f3 th\u1ec3 g\u1eb7p s\u1ef1 c\u1ed1.<\/span><\/p>\n

B\u01b0\u01a1\u0301c 1: \u0110\u00e2\u0300u ti\u00ean, ba\u0323n ha\u0303y ki\u00ea\u0309m tra ca\u0301c d\u00e2y k\u00ea\u0301t n\u00f4\u0301i modem wifi xem co\u0301 lo\u0309ng le\u0309o kh\u00f4ng. Sau \u0111o\u0301, ba\u0323n ha\u0303y ru\u0301t d\u00e2y ngu\u00f4\u0300n cu\u0309a modem \u0111\u00ea\u0309 kh\u01a1\u0309i \u0111\u00f4\u0323ng la\u0323i thi\u00ea\u0301t bi\u0323 trong vo\u0300ng 1 phu\u0301t.<\/span><\/p>\n

\"tivi-khong-ket-noi-duoc-wifi-5\"<\/picture><\/p>\n

B\u01b0\u01a1\u0301c 2: \u0110\u00ea\u0301n b\u01b0\u01a1\u0301c na\u0300y thi\u0300 ba\u0323n ha\u0303y ti\u00ea\u0301n ha\u0300nh k\u00ea\u0301t n\u00f4\u0301i ma\u0323ng la\u0323i cho tivi cu\u0309a mi\u0300nh. Trong tr\u01b0\u01a1\u0300ng h\u01a1\u0323p, ba\u0323n th\u00e2\u0301y <\/span>tivi kh\u00f4ng k\u00ea\u0301t n\u00f4\u0301i \u0111\u01b0\u01a1\u0323c wifi <\/b>thi\u0300 ha\u0303y d\u00f9ng \u0111i\u1ec7n tho\u1ea1i ho\u0103\u0323c laptop \u0111\u1ec3 k\u1ebft n\u1ed1i m\u1ea1ng wifi xem co\u0301 va\u0300o \u0111\u01b0\u01a1\u0323c kh\u00f4ng.\u00a0<\/span><\/p>\n

N\u00ea\u0301u nh\u01b0 ca\u0301c thi\u00ea\u0301t bi\u0323 kha\u0301c cu\u0303ng kh\u00f4ng truy c\u00e2\u0323p \u0111\u01b0\u01a1\u0323c ma\u0323ng, \u0111\u00f4\u0300ng nghi\u0303a wifi nha\u0300 ba\u0323n \u0111ang g\u0103\u0323p v\u00e2\u0301n \u0111\u00ea\u0300. Co\u0300n n\u00ea\u0301u ca\u0301c thi\u00ea\u0301t bi\u0323 kha\u0301c v\u00e2\u0303n va\u0300o \u0111\u01b0\u01a1\u0323c wifi thi\u0300 c\u00e2\u0300n pha\u0309i xem qua ca\u0301ch kh\u0103\u0301c phu\u0323c kha\u0301c.<\/span><\/p>\n

Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 v\u1ec1 \u0111\u1ecba ch\u1ec9 IP<\/b><\/h3>\n

B\u01b0\u01a1\u0301c 1: Tr\u00ean tivi nha\u0300 ba\u0323n, ng\u01b0\u01a1\u0300i du\u0300ng ha\u0303y ti\u0300m va\u0300 b\u00e2\u0301m cho\u0323n va\u0300o ti\u0301nh n\u0103ng \u201cc\u00e0i \u0111\u1eb7t IP\u201d.<\/span><\/p>\n

\"tivi-khong-ket-noi-duoc-wifi-6\"<\/picture><\/p>\n

B\u01b0\u01a1\u0301c 2: Ti\u00ea\u0301p \u0111\u00ea\u0301n ba\u0323n se\u0303 cho\u0323n ti\u00ea\u0301p va\u0300o mu\u0323c \u201cNh\u1eadp th\u1ee7 c\u00f4ng\u201d.<\/span><\/p>\n

\"tivi-khong-ket-noi-duoc-wifi-7\"<\/picture><\/p>\n

B\u01b0\u01a1\u0301c 3: Ta\u0323i \u0111\u00e2y, ba\u0323n ha\u0303y li\u00ean h\u00ea\u0323 \u0111\u00ea\u0301n nha\u0300 ma\u0323ng \u0111\u00ea\u0309 nh\u01a1\u0300 ho\u0323 cung c\u00e2\u0301p m\u00f4\u0323t va\u0300i th\u00f4ng s\u00f4\u0301 quan tro\u0323ng. Bao g\u00f4\u0300m IP address, Subnet Mask, Gateway, DNS server r\u00f4\u0300i nh\u00e2\u0323p ca\u0301c chi\u0309 s\u00f4\u0301 na\u0300y va\u0300o tivi.<\/span><\/p>\n

\"tivi-khong-ket-noi-duoc-wifi-8\"<\/picture><\/p>\n

B\u01b0\u01a1\u0301c 4: Cu\u00f4\u0301i cu\u0300ng, ba\u0323n chi\u0309 c\u00e2\u0300n nh\u00e2\u0301n cho\u0323n \u201cOK\u201d va\u0300 \u0111\u01a1\u0323i trong i\u0301t phu\u0301t \u0111\u00ea\u0309 xem k\u00ea\u0301t qua\u0309 nhe\u0301.<\/span><\/p>\n

\"tivi-khong-ket-noi-duoc-wifi-9\"<\/picture><\/p>\n

Kh\u00f4i ph\u1ee5c c\u00e0i \u0111\u1eb7t g\u1ed1c cho tivi\u00a0<\/b><\/h3>\n

L\u1ed7i<\/span> tivi kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi<\/b> l\u00e0 m\u1ed9t trong nh\u1eefng v\u1ea5n \u0111\u1ec1 g\u00e2y kh\u00f3 ch\u1ecbu cho ng\u01b0\u1eddi d\u00f9ng, \u0111\u1eb7c bi\u1ec7t khi b\u1ea1n c\u1ea7n truy c\u1eadp internet \u0111\u1ec3 s\u1eed d\u1ee5ng c\u00e1c \u1ee9ng d\u1ee5ng gi\u1ea3i tr\u00ed tr\u1ef1c tuy\u1ebfn. Va\u0300 \u0111\u00ea\u0309 kh\u0103\u0301c phu\u0323c, ba\u0323n ha\u0303y tham kha\u0309o \u0111\u00ea\u0301n ca\u0301ch kh\u00f4i ph\u1ee5c c\u00e0i \u0111\u1eb7t g\u1ed1c cho tivi. \u0110\u00e2y l\u00e0 bi\u1ec7n ph\u00e1p gi\u00fap \u0111\u01b0a tivi tr\u1edf v\u1ec1 tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u nh\u01b0 l\u00fac m\u1edbi xu\u1ea5t x\u01b0\u1edfng, x\u00f3a b\u1ecf to\u00e0n b\u1ed9 c\u00e1c c\u00e0i \u0111\u1eb7t ho\u1eb7c l\u1ed7i ph\u00e1t sinh trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng.<\/span><\/p>\n

B\u01b0\u01a1\u0301c 1: \u0110\u00e2\u0300u ti\u00ean, ba\u0323n ha\u0303y truy c\u00e2\u0323p va\u0300o Menu ti\u0301nh n\u0103ng tr\u00ean tivi va\u0300 cho\u0323n \u201cH\u1ed7 tr\u1ee3\u201d.<\/span><\/p>\n

\"tivi-khong-ket-noi-duoc-wifi-10\"<\/picture><\/p>\n

B\u01b0\u01a1\u0301c 2: Trong h\u00f4\u0323p th\u00f4ng tin hi\u00ea\u0309n thi\u0323 l\u00ean, ba\u0323n ha\u0303y cho\u0323n \u201cT\u1ef1 chu\u1ea9n \u0111o\u00e1n\u201d.<\/span><\/p>\n

\"tivi-khong-ket-noi-duoc-wifi-11\"<\/picture><\/p>\n

B\u01b0\u01a1\u0301c 3: K\u00ea\u0301 \u0111\u00ea\u0301n la\u0300 ba\u0323n cho\u0323n \u201cReset\u201d.<\/span><\/p>\n

\"tivi-khong-ket-noi-duoc-wifi-12\"<\/picture><\/p>\n

B\u01b0\u01a1\u0301c 4: Ta\u0323i b\u01b0\u01a1\u0301c na\u0300y, ba\u0323n se\u0303 nh\u00e2\u0323p va\u0300o ma\u0303 pin m\u0103\u0323c \u0111i\u0323nh la\u0300 0000.<\/span><\/p>\n

\"tivi-khong-ket-noi-duoc-wifi-13\"<\/picture><\/p>\n

B\u01b0\u01a1\u0301c 5: Sau khi nh\u00e2\u0323p xong, tivi se\u0303 hi\u00ea\u0309n thi\u0323 th\u00f4ng ba\u0301o xa\u0301c nh\u00e2\u0323n va\u0300 ba\u0323n b\u00e2\u0301m cho\u0323n \u201cC\u00f3\u201d.<\/span><\/p>\n

\"tivi-khong-ket-noi-duoc-wifi-14\"<\/picture><\/p>\n

Li\u00ean h\u1ec7 h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt<\/b><\/h3>\n

Khi \u0111\u00e3 th\u1eed c\u00e1c c\u00e1ch kh\u1eafc ph\u1ee5c th\u00f4ng th\u01b0\u1eddng nh\u01b0 ki\u1ec3m tra modem, c\u00e0i \u0111\u1eb7t l\u1ea1i m\u1ea1ng, hay kh\u00f4i ph\u1ee5c c\u00e0i \u0111\u1eb7t g\u1ed1c m\u00e0 v\u1eabn kh\u00f4ng gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c v\u1ea5n \u0111\u1ec1, vi\u1ec7c li\u00ean h\u1ec7 v\u1edbi b\u1ed9 ph\u1eadn h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt ch\u00ednh l\u00e0 gi\u1ea3i ph\u00e1p cu\u1ed1i c\u00f9ng v\u00e0 \u0111\u00e1ng tin c\u1eady. \u0110\u00e2y l\u00e0 c\u00e1ch gi\u00fap b\u1ea1n nhanh ch\u00f3ng x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n v\u00e0 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 <\/span>tivi kh\u00f4ng k\u00ea\u0301t n\u00f4\u0301i \u0111\u01b0\u01a1\u0323c wifi<\/b> m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c, \u0111\u1eb7c bi\u1ec7t khi v\u1ea5n \u0111\u1ec1 n\u1eb1m ngo\u00e0i kh\u1ea3 n\u0103ng t\u1ef1 x\u1eed l\u00fd.<\/span><\/p>\n

\"tivi-khong-ket-noi-duoc-wifi-15\"<\/picture><\/p>\n

Th\u01b0\u0301 nh\u00e2\u0301t, ba\u0323n co\u0301 th\u00ea\u0309 li\u00ean h\u1ec7 trung t\u00e2m b\u1ea3o h\u00e0nh c\u1ee7a h\u00e3ng s\u1ea3n xu\u1ea5t tivi. Ba\u0323n c\u00e2\u0300n ki\u1ec3m tra th\u00f4ng tin li\u00ean l\u1ea1c c\u1ee7a trung t\u00e2m b\u1ea3o h\u00e0nh ho\u1eb7c h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt c\u1ee7a h\u00e3ng s\u1ea3n xu\u1ea5t (nh\u01b0 Sony, Samsung, LG, TCL, v.v.). Th\u00f4ng tin n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c ghi tr\u00ean phi\u1ebfu b\u1ea3o h\u00e0nh ho\u1eb7c trong s\u00e1ch h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng tivi.<\/span><\/p>\n

Th\u01b0\u0301 hai, n\u00ea\u0301u nghi ng\u1edd v\u1ea5n \u0111\u1ec1 n\u1eb1m \u1edf m\u1ea1ng wifi, b\u1ea1n n\u00ean go\u0323i \u0111\u1ebfn hotline c\u1ee7a nh\u00e0 cung c\u1ea5p m\u1ea1ng (VNPT, Viettel, FPT, v.v.) \u0111\u1ec3 b\u00e1o c\u00e1o s\u1ef1 c\u1ed1. Sau \u0111o\u0301, ba\u0323n y\u00eau c\u1ea7u ki\u1ec3m tra \u0111\u01b0\u1eddng truy\u1ec1n, c\u1ea5u h\u00ecnh modem, v\u00e0 h\u1ed7 tr\u1ee3 thay \u0111\u1ed5i c\u00e0i \u0111\u1eb7t n\u1ebfu c\u1ea7n thi\u1ebft. \u0110\u00ea\u0309 t\u01b0\u0300 \u0111o\u0301, \u0111\u00f4\u0323i ngu\u0303 h\u00f4\u0303 tr\u01a1\u0323 cu\u0309a nha\u0300 ma\u0323ng se\u0303 s\u01a1\u0301m gia\u0309i quy\u00ea\u0301t v\u00e2\u0301n \u0111\u00ea\u0300 xa\u0309y ra.<\/span><\/p>\n

L\u01b0u y\u0301 quan tro\u0323ng khi x\u01b0\u0309 ly\u0301 l\u00f4\u0303i tivi kh\u00f4ng k\u00ea\u0301t n\u00f4\u0301i \u0111\u01b0\u01a1\u0323c wifi<\/b><\/h2>\n

Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 t\u1ef1 \u00fd thay \u0111\u1ed5i c\u00e1c c\u00e0i \u0111\u1eb7t n\u00e2ng cao ho\u1eb7c s\u1eeda ch\u1eefa ph\u1ea7n c\u1ee9ng m\u00e0 kh\u00f4ng c\u00f3 \u0111\u1ee7 chuy\u00ean m\u00f4n. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c l\u00e0m h\u1ecfng tivi ho\u1eb7c g\u00e2y ra l\u1ed7i nghi\u00eam tr\u1ecdng h\u01a1n. Khi kh\u00f4ng ch\u1eafc ch\u1eafn, ba\u0323n h\u00e3y li\u00ean h\u1ec7 v\u1edbi trung t\u00e2m b\u1ea3o h\u00e0nh ho\u1eb7c \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3.<\/span><\/p>\n

B\u00ean ca\u0323nh \u0111o\u0301, kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o l\u1ed7i c\u0169ng n\u1eb1m \u1edf tivi. Ng\u01b0\u1eddi d\u00f9ng c\u1ea7n ki\u1ec3m tra modem, router v\u00e0 \u0111\u01b0\u1eddng truy\u1ec1n m\u1ea1ng c\u1ee7a nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 internet. ba\u0323n cu\u0303ng n\u00ean th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc kh\u1eafc ph\u1ee5c \u0111\u01a1n gi\u1ea3n tr\u01b0\u1edbc \u0111\u1ec3 lo\u1ea1i tr\u1eeb c\u00e1c nguy\u00ean nh\u00e2n d\u1ec5 nh\u1eadn bi\u1ebft. N\u1ebfu c\u00e1c bi\u1ec7n ph\u00e1p c\u01a1 b\u1ea3n kh\u00f4ng gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c v\u1ea5n \u0111\u1ec1, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 chuy\u1ec3n sang c\u00e1c gi\u1ea3i ph\u00e1p n\u00e2ng cao h\u01a1n,<\/span><\/p>\n

Cu\u1ed1i c\u00f9ng, \u0111\u1ec3 tr\u00e1nh g\u1eb7p ph\u1ea3i t\u00ecnh tr\u1ea1ng t\u01b0\u01a1ng t\u1ef1 trong t\u01b0\u01a1ng lai, ba\u0323n c\u00e2\u0300n chu\u0301 y\u0301 th\u01b0\u1eddng xuy\u00ean b\u1ea3o tr\u00ec tivi v\u00e0 ki\u1ec3m tra h\u1ec7 th\u1ed1ng m\u1ea1ng. Vi\u1ec7c s\u1eed d\u1ee5ng \u0111\u00fang c\u00e1ch v\u00e0 c\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m \u0111\u1ecbnh k\u1ef3 c\u0169ng g\u00f3p ph\u1ea7n duy tr\u00ec k\u1ebft n\u1ed1i wifi \u1ed5n \u0111\u1ecbnh.<\/span><\/p>\n

K\u00ea\u0301t lu\u00e2\u0323n<\/b><\/h2>\n

T\u00f3m l\u1ea1i, m\u1eb7c d\u00f9 l\u1ed7i <\/span>tivi kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi<\/b> c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 b\u1ea5t ti\u1ec7n. Nh\u01b0ng v\u1edbi c\u00e1c b\u01b0\u1edbc x\u1eed l\u00fd khoa h\u1ecdc v\u00e0 s\u1ef1 h\u1ed7 tr\u1ee3 t\u1eeb k\u1ef9 thu\u1eadt vi\u00ean, v\u1ea5n \u0111\u1ec1 n\u00e0y ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 gi\u1eef b\u00ecnh t\u0129nh, th\u1ef1c hi\u1ec7n \u0111\u00fang c\u00e1ch v\u00e0 t\u00ecm ki\u1ebfm s\u1ef1 h\u1ed7 tr\u1ee3 khi c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o tivi ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 mang l\u1ea1i tr\u1ea3i nghi\u1ec7m t\u1ed1t nh\u1ea5t cho b\u1ea1n.<\/span><\/p>\n

Xem th\u00eam:<\/b><\/p>\n