{"id":393132,"date":"2024-09-30T21:59:52","date_gmt":"2024-09-30T14:59:52","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=393132"},"modified":"2024-09-30T22:00:18","modified_gmt":"2024-09-30T15:00:18","slug":"laptop-khong-hien-wifi","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/laptop-khong-hien-wifi\/","title":{"rendered":"5+ c\u00e1ch kh\u1eafc ph\u1ee5c laptop b\u1ecb m\u1ea5t WiFi c\u1ef1c nhanh ch\u00f3ng, hi\u1ec7u qu\u1ea3"},"content":{"rendered":"

Laptop <\/strong>kh\u00f4ng hi\u1ec7n WiFi<\/strong> l\u00e0 t\u00ecnh hu\u1ed1ng kh\u00f4ng hi\u1ebfm g\u1eb7p, g\u00e2y ra nhi\u1ec1u phi\u1ec1n to\u00e1i cho ng\u01b0\u1eddi d\u00f9ng khi l\u00e0m vi\u1ec7c ho\u1eb7c gi\u1ea3i tr\u00ed tr\u1ef1c tuy\u1ebfn. N\u1ebfu b\u1ea1n c\u0169ng \u0111ang g\u1eb7p ph\u1ea3i v\u1ea5n \u0111\u1ec1 n\u00e0y v\u00e0 mu\u1ed1n t\u00ecm c\u00e1ch kh\u1eafc ph\u1ee5c nhanh ch\u00f3ng, b\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u1edbi thi\u1ec7u 5+ ph\u01b0\u01a1ng ph\u00e1p \u0111\u01a1n gi\u1ea3n nh\u01b0ng v\u00f4 c\u00f9ng hi\u1ec7u qu\u1ea3 gi\u00fap b\u1ea1n k\u1ebft n\u1ed1i l\u1ea1i m\u1ea1ng trong t\u00edch t\u1eafc. H\u00e3y c\u00f9ng kh\u00e1m ph\u00e1 \u0111\u1ec3 kh\u00f4ng c\u00f2n lo l\u1eafng m\u1ed7i khi laptop m\u1ea5t WiFi nh\u00e9.<\/p>\n

T\u1ea1i sao laptop kh\u00f4ng hi\u1ec7n WiFi?<\/h2>\n

Tr\u00ean th\u1ef1c t\u1ebf, c\u00f3 kh\u00e1 nhi\u1ec1u nguy\u00ean nh\u00e2n d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng laptop kh\u00f4ng hi\u1ec7n ho\u1eb7c m\u1ea5t WiFi, d\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 nguy\u00ean nh\u00e2n th\u01b0\u1eddng g\u1eb7p nh\u1ea5t.<\/p>\n

Ch\u01b0a b\u1eadt t\u00ednh n\u0103ng WiFi tr\u00ean laptop<\/h3>\n

M\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn nh\u1ea5t khi\u1ebfn laptop kh\u00f4ng hi\u1ec3n th\u1ecb WiFi l\u00e0 do t\u00ednh n\u0103ng WiFi ch\u01b0a \u0111\u01b0\u1ee3c b\u1eadt. Tr\u00ean m\u1ed9t s\u1ed1 d\u00f2ng laptop, b\u1ea1n c\u1ea7n b\u1eadt WiFi th\u00f4ng qua t\u1ed5 h\u1ee3p ph\u00edm ch\u1ee9c n\u0103ng (nh\u01b0 Fn + ph\u00edm c\u00f3 bi\u1ec3u t\u01b0\u1ee3ng WiFi) ho\u1eb7c n\u00fat v\u1eadt l\u00fd tr\u00ean th\u00e2n m\u00e1y. N\u1ebfu kh\u00f4ng ch\u00fa \u00fd, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 v\u00f4 t\u00ecnh t\u1eaft \u0111i WiFi m\u00e0 kh\u00f4ng bi\u1ebft, d\u1eabn \u0111\u1ebfn vi\u1ec7c laptop kh\u00f4ng th\u1ec3 d\u00f2 \u0111\u01b0\u1ee3c m\u1ea1ng.<\/p>\n

\"laptop-khong-hien-wifi-1\"<\/picture><\/p>\n

\u0110\u1ec3 kh\u1eafc ph\u1ee5c, b\u1ea1n ch\u1ec9 c\u1ea7n ki\u1ec3m tra xem ph\u00edm ch\u1ee9c n\u0103ng WiFi c\u00f3 b\u1ecb v\u00f4 hi\u1ec7u h\u00f3a hay kh\u00f4ng v\u00e0 k\u00edch ho\u1ea1t l\u1ea1i. Ngo\u00e0i ra, trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, WiFi c\u00f3 th\u1ec3 b\u1ecb v\u00f4 hi\u1ec7u h\u00f3a trong ph\u1ea7n c\u00e0i \u0111\u1eb7t m\u1ea1ng c\u1ee7a Windows. \u0110\u1ea3m b\u1ea3o r\u1eb1ng ch\u1ebf \u0111\u1ed9 m\u00e1y bay kh\u00f4ng \u0111\u01b0\u1ee3c b\u1eadt v\u00e0 WiFi \u0111ang \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t \u0111\u00fang c\u00e1ch trong ph\u1ea7n c\u00e0i \u0111\u1eb7t h\u1ec7 th\u1ed1ng.<\/p>\n

L\u1ed7i driver WiFi<\/h3>\n

L\u1ed7i driver WiFi c\u0169ng l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n ch\u00ednh khi\u1ebfn laptop kh\u00f4ng hi\u1ec7n WiFi<\/strong>. Driver l\u00e0 ph\u1ea7n m\u1ec1m gi\u00fap k\u1ebft n\u1ed1i gi\u1eefa ph\u1ea7n c\u1ee9ng (card m\u1ea1ng) v\u00e0 h\u1ec7 \u0111i\u1ec1u h\u00e0nh. N\u1ebfu driver WiFi b\u1ecb h\u1ecfng, l\u1ed7i th\u1eddi ho\u1eb7c kh\u00f4ng t\u01b0\u01a1ng th\u00edch, laptop s\u1ebd kh\u00f4ng th\u1ec3 nh\u1eadn di\u1ec7n v\u00e0 k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c WiFi.<\/p>\n

\u0110\u1ec3 kh\u1eafc ph\u1ee5c, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 th\u1eed c\u1eadp nh\u1eadt driver m\u1edbi nh\u1ea5t t\u1eeb nh\u00e0 s\u1ea3n xu\u1ea5t ho\u1eb7c g\u1ee1 b\u1ecf v\u00e0 c\u00e0i \u0111\u1eb7t l\u1ea1i driver WiFi. Vi\u1ec7c s\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m t\u1ef1 \u0111\u1ed9ng c\u1eadp nh\u1eadt driver c\u0169ng l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p h\u1eefu \u00edch, gi\u00fap b\u1ea1n lu\u00f4n \u0111\u1ea3m b\u1ea3o laptop c\u00f3 driver m\u1edbi v\u00e0 t\u01b0\u01a1ng th\u00edch v\u1edbi h\u1ec7 th\u1ed1ng.<\/p>\n

\"laptop-khong-hien-wifi-2\"<\/picture><\/p>\n

Card WiFi b\u1ecb h\u1ecfng ho\u1eb7c l\u1ecfng d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng laptop kh\u00f4ng hi\u1ec7n WiFi<\/h3>\n

Card WiFi l\u00e0 ph\u1ea7n c\u1ee9ng ch\u1ecbu tr\u00e1ch nhi\u1ec7m nh\u1eadn t\u00edn hi\u1ec7u WiFi v\u00e0 k\u1ebft n\u1ed1i laptop v\u1edbi m\u1ea1ng. Khi card WiFi b\u1ecb h\u1ecfng ho\u1eb7c l\u1ecfng, laptop s\u1ebd kh\u00f4ng th\u1ec3 hi\u1ec3n th\u1ecb c\u00e1c m\u1ea1ng WiFi kh\u1ea3 d\u1ee5ng. Nguy\u00ean nh\u00e2n c\u00f3 th\u1ec3 do l\u1ed7i ph\u1ea7n c\u1ee9ng sau th\u1eddi gian d\u00e0i s\u1eed d\u1ee5ng, va \u0111\u1eadp ho\u1eb7c l\u1ed7i t\u1eeb nh\u00e0 s\u1ea3n xu\u1ea5t.<\/p>\n

\u0110\u1ec3 ki\u1ec3m tra, b\u1ea1n c\u00f3 th\u1ec3 th\u00e1o laptop ra v\u00e0 ki\u1ec3m tra xem card WiFi c\u00f3 b\u1ecb l\u1ecfng hay kh\u00f4ng, ho\u1eb7c mang m\u00e1y \u0111\u1ebfn c\u00e1c trung t\u00e2m b\u1ea3o h\u00e0nh \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 ki\u1ec3m tra ph\u1ea7n c\u1ee9ng. N\u1ebfu card WiFi b\u1ecb h\u1ecfng, vi\u1ec7c thay m\u1edbi l\u00e0 ph\u01b0\u01a1ng \u00e1n c\u1ea7n thi\u1ebft \u0111\u1ec3 laptop c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng tr\u1edf l\u1ea1i.<\/p>\n

S\u1ef1 c\u1ed1 t\u1eeb modem ho\u1eb7c router<\/h3>\n

Kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o v\u1ea5n \u0111\u1ec1 c\u0169ng \u0111\u1ebfn t\u1eeb laptop, modem ho\u1eb7c router WiFi c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 c\u1ed1. N\u1ebfu thi\u1ebft b\u1ecb m\u1ea1ng g\u1eb7p tr\u1ee5c tr\u1eb7c ho\u1eb7c kh\u00f4ng ph\u00e1t t\u00edn hi\u1ec7u WiFi \u0111\u00fang c\u00e1ch, laptop s\u1ebd kh\u00f4ng th\u1ec3 nh\u1eadn di\u1ec7n \u0111\u01b0\u1ee3c m\u1ea1ng. \u0110\u1ec3 kh\u1eafc ph\u1ee5c, tr\u01b0\u1edbc ti\u00ean h\u00e3y th\u1eed kh\u1edfi \u0111\u1ed9ng l\u1ea1i modem v\u00e0 router b\u1eb1ng c\u00e1ch t\u1eaft ngu\u1ed3n trong 30 gi\u00e2y, sau \u0111\u00f3 b\u1eadt l\u1ea1i.<\/p>\n

\"laptop-khong-hien-wifi-3\"<\/picture><\/p>\n

N\u1ebfu sau khi kh\u1edfi \u0111\u1ed9ng l\u1ea1i v\u1eabn kh\u00f4ng th\u1ea5y m\u1ea1ng WiFi, h\u00e3y ki\u1ec3m tra c\u00e1c d\u00e2y c\u00e1p k\u1ebft n\u1ed1i v\u00e0 c\u1ea5u h\u00ecnh thi\u1ebft b\u1ecb. \u0110\u00f4i khi, vi\u1ec7c c\u1eadp nh\u1eadt firmware cho router c\u0169ng c\u00f3 th\u1ec3 gi\u00fap kh\u1eafc ph\u1ee5c t\u00ecnh tr\u1ea1ng laptop kh\u00f4ng hi\u1ec7n WiFi<\/strong>.<\/p>\n

Nhi\u1ec5u t\u00edn hi\u1ec7u t\u1eeb c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c<\/h3>\n

Nhi\u1ec5u t\u00edn hi\u1ec7u l\u00e0 m\u1ed9t nguy\u00ean nh\u00e2n \u00edt \u0111\u01b0\u1ee3c ngh\u0129 \u0111\u1ebfn nh\u01b0ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng hi\u1ec3n th\u1ecb WiFi tr\u00ean laptop. C\u00e1c thi\u1ebft b\u1ecb nh\u01b0 l\u00f2 vi s\u00f3ng, \u0111i\u1ec7n tho\u1ea1i kh\u00f4ng d\u00e2y, ho\u1eb7c c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed kh\u00e1c ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ea7n s\u1ed1 2.4GHz c\u00f3 th\u1ec3 g\u00e2y ra nhi\u1ec5u t\u00edn hi\u1ec7u WiFi. \u0110i\u1ec1u n\u00e0y khi\u1ebfn laptop kh\u00f3 ho\u1eb7c kh\u00f4ng th\u1ec3 d\u00f2 t\u00ecm \u0111\u01b0\u1ee3c m\u1ea1ng.<\/p>\n

\u0110\u1ec3 kh\u1eafc ph\u1ee5c, b\u1ea1n c\u00f3 th\u1ec3 di chuy\u1ec3n laptop v\u00e0 router ra xa c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed n\u00e0y ho\u1eb7c chuy\u1ec3n router sang b\u0103ng t\u1ea7n 5GHz (n\u1ebfu h\u1ed7 tr\u1ee3) \u0111\u1ec3 tr\u00e1nh nhi\u1ec5u. \u0110i\u1ec1u ch\u1ec9nh v\u1ecb tr\u00ed c\u1ee7a laptop v\u00e0 router c\u0169ng l\u00e0 m\u1ed9t c\u00e1ch gi\u00fap t\u0103ng kh\u1ea3 n\u0103ng b\u1eaft s\u00f3ng WiFi.<\/p>\n

Top 5+ c\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i laptop kh\u00f4ng hi\u1ec7n WiFi \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u qu\u1ea3 nh\u1ea5t<\/h2>\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t v\u00e0i c\u00e1ch kh\u1eafc ph\u1ee5c t\u00ecnh tr\u1ea1ng laptop m\u1ea5t WiFi hi\u1ec7u qu\u1ea3 nh\u1ea5t m\u00e0 b\u1ea1n n\u00ean \u00e1p d\u1ee5ng:<\/p>\n

Reset l\u1ea1i laptop v\u00e0 b\u1ed9 ph\u00e1t WiFi<\/h3>\n

Vi\u1ec7c kh\u1edfi \u0111\u1ed9ng l\u1ea1i laptop v\u00e0 b\u1ed9 ph\u00e1t WiFi th\u01b0\u1eddng xuy\u00ean \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb khi b\u1ea1n g\u1eb7p ph\u1ea3i s\u1ef1 c\u1ed1 k\u1ebft n\u1ed1i m\u1ea1ng. \u0110\u1ea7u ti\u00ean, h\u00e3y t\u1eaft laptop v\u00e0 m\u1edf l\u1ea1i sau v\u00e0i ph\u00fat. Qu\u00e1 tr\u00ecnh n\u00e0y gi\u00fap l\u00e0m m\u1edbi c\u00e1c c\u00e0i \u0111\u1eb7t h\u1ec7 th\u1ed1ng v\u00e0 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 m\u1ea1ng m\u00e0 kh\u00f4ng c\u1ea7n thao t\u00e1c ph\u1ee9c t\u1ea1p.<\/p>\n

\"laptop-khong-hien-wifi-4\"<\/picture><\/p>\n

Ti\u1ebfp theo, h\u00e3y quan s\u00e1t b\u1ed9 ph\u00e1t WiFi c\u1ee7a b\u1ea1n. N\u1ebfu th\u1ea5y c\u00e1c \u0111\u00e8n t\u00edn hi\u1ec7u kh\u00f4ng ph\u1ea3n \u00e1nh tr\u1ea1ng th\u00e1i k\u1ebft n\u1ed1i b\u00ecnh th\u01b0\u1eddng (th\u01b0\u1eddng l\u00e0 s\u00e1ng xanh), \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 b\u00e1o hi\u1ec7u r\u1eb1ng m\u1ea1ng c\u1ee7a b\u1ea1n \u0111ang g\u1eb7p tr\u1ee5c tr\u1eb7c. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, vi\u1ec7c kh\u1edfi \u0111\u1ed9ng l\u1ea1i router l\u00e0 c\u1ea7n thi\u1ebft. T\u1eaft ngu\u1ed3n c\u1ee7a router, \u0111\u1ee3i kho\u1ea3ng m\u1ed9t ph\u00fat r\u1ed3i b\u1eadt l\u1ea1i. \u0110i\u1ec1u n\u00e0y s\u1ebd gi\u00fap reset c\u00e1c thi\u1ebft l\u1eadp m\u1ea1ng v\u00e0 c\u00f3 th\u1ec3 kh\u00f4i ph\u1ee5c l\u1ea1i k\u1ebft n\u1ed1i internet \u1ed5n \u0111\u1ecbnh.<\/p>\n

Sau khi c\u1ea3 laptop v\u00e0 router \u0111\u00e3 \u0111\u01b0\u1ee3c kh\u1edfi \u0111\u1ed9ng l\u1ea1i, h\u00e3y th\u1eed k\u1ebft n\u1ed1i l\u1ea1i WiFi. N\u1ebfu t\u00ecnh tr\u1ea1ng laptop kh\u00f4ng hi\u1ec7n WiFi<\/strong> v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft, b\u1ea1n c\u00f3 th\u1ec3 c\u1ea7n xem x\u00e9t c\u00e1c b\u01b0\u1edbc kh\u1eafc ph\u1ee5c s\u00e2u h\u01a1n ho\u1eb7c li\u00ean h\u1ec7 v\u1edbi nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 internet \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 th\u00eam.<\/p>\n

Ki\u1ec3m tra t\u00ecnh tr\u1ea1ng k\u1ebft n\u1ed1i WiFi tr\u00ean laptop<\/h3>\n

\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o laptop c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i WiFi m\u1ed9t c\u00e1ch b\u00ecnh th\u01b0\u1eddng, vi\u1ec7c ki\u1ec3m tra ch\u1ebf \u0111\u1ed9 k\u1ebft n\u1ed1i WiFi l\u00e0 b\u01b0\u1edbc kh\u00f4ng th\u1ec3 b\u1ecf qua. \u0110\u00f4i khi, b\u1ea1n c\u00f3 th\u1ec3 v\u00f4 t\u00ecnh t\u1eaft ch\u1ee9c n\u0103ng n\u00e0y m\u00e0 kh\u00f4ng nh\u1eadn ra, d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng m\u00e1y kh\u00f4ng th\u1ec3 truy c\u1eadp m\u1ea1ng.<\/p>\n

H\u00e3y b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch ki\u1ec3m tra \u0111\u00e8n b\u00e1o WiFi tr\u00ean laptop. N\u1ebfu th\u1ea5y \u0111\u00e8n n\u00e0y kh\u00f4ng s\u00e1ng, c\u00f3 ngh\u0129a l\u00e0 ch\u1ee9c n\u0103ng WiFi \u0111ang b\u1ecb t\u1eaft. \u0110\u1ec3 b\u1eadt l\u1ea1i, b\u1ea1n c\u1ea7n s\u1eed d\u1ee5ng t\u1ed5 h\u1ee3p ph\u00edm t\u1eaft ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng h\u00e3ng m\u00e1y t\u00ednh b\u1ea1n \u0111ang s\u1eed d\u1ee5ng.<\/p>\n

\"laptop-khong-hien-wifi-5\"<\/picture><\/p>\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch th\u1ef1c hi\u1ec7n cho m\u1ed9t s\u1ed1 h\u00e3ng laptop ph\u1ed5 bi\u1ebfn:<\/p>\n