{"id":51757,"date":"2021-11-22T14:47:29","date_gmt":"2021-11-22T07:47:29","guid":{"rendered":"https:\/\/www.chotot.com\/kinh-nghiem\/?p=51757"},"modified":"2022-10-27T11:01:27","modified_gmt":"2022-10-27T04:01:27","slug":"laptop-khong-ket-noi-duoc-wifi","status":"publish","type":"post","link":"https:\/\/www.chotot.com\/kinh-nghiem\/laptop-khong-ket-noi-duoc-wifi.html","title":{"rendered":"H\u01b0\u1edbng d\u1eabn c\u1ee5 th\u1ec3 c\u00e1ch fix l\u1ed7i laptop kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/laptop-khong-ket-noi-duoc-wifi.html\/#Nguyen_nhan_dan_den_tinh_trang_laptop_khong_ket_noi_duoc_WiFi\" >Nguy\u00ean nh\u00e2n d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng laptop kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c WiFi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/laptop-khong-ket-noi-duoc-wifi.html\/#Cac_buoc_kiem_tra_Wifi_khi_gap_su_co_mang_de_nhat\" >C\u00e1c b\u01b0\u1edbc ki\u1ec3m tra Wifi khi g\u1eb7p s\u1ef1 c\u1ed1 m\u1ea1ng d\u1ec5 nh\u1ea5t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/laptop-khong-ket-noi-duoc-wifi.html\/#Nhung_cach_fix_loi_laptop_mat_ket_noi_wifi_don_gian_hieu_qua\" >Nh\u1eefng c\u00e1ch fix l\u1ed7i laptop m\u1ea5t k\u1ebft n\u1ed1i wifi \u0111\u01a1n gi\u1ea3n, hi\u1ec7u qu\u1ea3<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/laptop-khong-ket-noi-duoc-wifi.html\/#Restart_laptop_hoac_bo_phat_wifi\" >Restart laptop ho\u1eb7c b\u1ed9 ph\u00e1t wifi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/laptop-khong-ket-noi-duoc-wifi.html\/#Kiem_tra_wifi_co_bi_tat_dat_o_che_do_may_bay_khong\" >Ki\u1ec3m tra wifi c\u00f3 b\u1ecb t\u1eaft, \u0111\u1eb7t \u1edf ch\u1ebf \u0111\u1ed9 m\u00e1y bay kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/laptop-khong-ket-noi-duoc-wifi.html\/#Xoa_mang_wifi_dang_ket_noi_va_thuc_hien_ket_noi_lai\" >X\u00f3a m\u1ea1ng wifi \u0111ang k\u1ebft n\u1ed1i v\u00e0 th\u1ef1c hi\u1ec7n k\u1ebft n\u1ed1i l\u1ea1i<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/laptop-khong-ket-noi-duoc-wifi.html\/#Kiem_tra_cai_dat_mang_wifi_trong_Control_Panel\" >Ki\u1ec3m tra c\u00e0i \u0111\u1eb7t m\u1ea1ng wifi trong Control Panel<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/laptop-khong-ket-noi-duoc-wifi.html\/#_Cai_dat_lai_driver\" >&nbsp;C\u00e0i \u0111\u1eb7t l\u1ea1i driver<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/laptop-khong-ket-noi-duoc-wifi.html\/#Lam_moi_dia_chi_IP\" >L\u00e0m m\u1edbi \u0111\u1ecba ch\u1ec9 IP<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/laptop-khong-ket-noi-duoc-wifi.html\/#Quet_virus_toan_bo_laptop\" >Qu\u00e9t virus to\u00e0n b\u1ed9 laptop<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/laptop-khong-ket-noi-duoc-wifi.html\/#Tat_che_do_laptop_tiet_kiem_Pin\" >T\u1eaft ch\u1ebf \u0111\u1ed9 laptop ti\u1ebft ki\u1ec7m Pin<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/laptop-khong-ket-noi-duoc-wifi.html\/#Vo_hieu_hoa_phan_mem_VPN_va_cac_phan_mem_khac\" >V\u00f4 hi\u1ec7u h\u00f3a ph\u1ea7n m\u1ec1m VPN v\u00e0 c\u00e1c ph\u1ea7n m\u1ec1m kh\u00e1c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/laptop-khong-ket-noi-duoc-wifi.html\/#Thay_doi_vi_tri_dat_wifi\" >Thay \u0111\u1ed5i v\u1ecb tr\u00ed \u0111\u1eb7t wifi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/laptop-khong-ket-noi-duoc-wifi.html\/#Cai_dat_lai_Windows_tren_may_tinh\" >C\u00e0i \u0111\u1eb7t l\u1ea1i Windows tr\u00ean m\u00e1y t\u00ednh<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/laptop-khong-ket-noi-duoc-wifi.html\/#Mot_so_meo_giup_kich_song_wifi_cang_hon\" >M\u1ed9t s\u1ed1 m\u1eb9o gi\u00fap k\u00edch s\u00f3ng wifi c\u0103ng h\u01a1n<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"has-text-align-justify wp-block-paragraph\"><strong>Laptop kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi<\/strong> l\u00e0 m\u1ed9t trong nh\u1eefng l\u1ed7i th\u00f4ng th\u01b0\u1eddng, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng. C\u00f3 nhi\u1ec1u nguy\u00ean nh\u00e2n g\u00e2y ra s\u1ef1 kh\u00f3 ch\u1ecbu n\u00e0y v\u00e0 c\u0169ng c\u00f3 nhi\u1ec1u c\u00e1ch \u0111\u01a1n gi\u1ea3n gi\u00fap b\u1ea1n t\u1ef1 kh\u1eafc ph\u1ee5c l\u1ed7i hi\u1ec7u qu\u1ea3. C\u00f9ng t\u00ecm hi\u1ec3u chi ti\u1ebft n\u1ed9i dung tr\u00ean qua b\u00e0i vi\u1ebft sau.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Nguyen_nhan_dan_den_tinh_trang_laptop_khong_ket_noi_duoc_WiFi\"><\/span><strong>Nguy\u00ean nh\u00e2n d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng laptop kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c WiFi<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"366\" src=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2021\/11\/a841a2a0-laptop-khong-ket-noi-duoc-wifi-1.jpg\" alt=\"laptop kh\u00f4ng k\u1ebft n\u1ed1i wifi\" class=\"wp-image-51758\" srcset=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2021\/11\/a841a2a0-laptop-khong-ket-noi-duoc-wifi-1.jpg 700w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2021\/11\/a841a2a0-laptop-khong-ket-noi-duoc-wifi-1-500x261.jpg 500w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><figcaption><em>Nguy\u00ean nh\u00e2n d\u1eabn \u0111\u1ebfn laptop c\u1ee7a b\u1ea1n kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c WiFi<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">Nhi\u1ec1u b\u1ea1n m\u1edbi s\u1eed d\u1ee5ng laptop khi g\u1eb7p ph\u1ea3i t\u00ecnh tr\u1ea1ng: t\u1ef1 d\u01b0ng m\u00e1y b\u1ecb m\u1ea5t k\u1ebft n\u1ed1i wifi s\u1ebd t\u1ef1 h\u1ecfi \u201c <strong>t\u1ea1i sao laptop kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi<\/strong>\u201d v\u00e0 th\u1ea5y lo l\u1eafng, s\u1ee3 m\u00e1y t\u00ednh b\u1ecb h\u1ecfng h\u00f3c. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, b\u1ea1n c\u1ea7n x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c nguy\u00ean nh\u00e2n g\u00e2y ra l\u1ed7i k\u1ebft n\u1ed1i WiFi, m\u1ed7i nguy\u00ean nh\u00e2n s\u1ebd c\u00f3 c\u00e1ch kh\u1eafc ph\u1ee5c ri\u00eang. V\u00e0 c\u00e1c nguy\u00ean nh\u00e2n th\u01b0\u1eddng g\u1eb7p nh\u1ea5t hi\u1ec7n nay \u0111\u00f3 l\u00e0:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">+ Do h\u1ec7 th\u1ed1ng m\u1ea1ng, \u0111\u1ea7u Router WiFi ho\u1eb7c b\u1ed9 ph\u00e1t WiFi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">+ Do \u0111ang t\u1eaft c\u00f4ng t\u1eafc b\u1ed9 ph\u00e1t WiFi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">+ Do t\u00ednh n\u0103ng k\u1ebft n\u1ed1i WiFi \u0111ang b\u1ecb t\u1eaft tr\u00ean laptop.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">+ Do laptop \u0111ang b\u1ecb virus n\u00ean kh\u00f4ng b\u1eaft \u0111\u01b0\u1ee3c WiFi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">+ Do b\u1ea1n \u0111ang d\u00f9ng ph\u1ea7n m\u1ec1m VPN ho\u1eb7c fake IP, \u0111\u1ed5i \u0111\u1ecba ch\u1ec9 IP l\u00e0m laptop hi\u1ec3u nh\u1ea7m \u0111\u00f3 l\u00e0 l\u1ed7i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">+ Do driver ch\u01b0a c\u00e0i ho\u1eb7c driver kh\u00f4ng \u1ed5n \u0111\u1ecbnh, xung \u0111\u1ed9t v\u1edbi ph\u1ea7n m\u1ec1m tr\u00ean laptop.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cac_buoc_kiem_tra_Wifi_khi_gap_su_co_mang_de_nhat\"><\/span><strong>C\u00e1c b\u01b0\u1edbc ki\u1ec3m tra Wifi khi g\u1eb7p s\u1ef1 c\u1ed1 m\u1ea1ng d\u1ec5 nh\u1ea5t<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">N\u1ebfu g\u1eb7p <strong>l\u1ed7i kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi tr\u00ean laptop<\/strong> b\u1ea1n ki\u1ec3m tra xem laptop c\u00f3 \u0111ang t\u00ecm ki\u1ebfm \u0111\u1ec3 k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng Wifi kh\u00e1c kh\u00f4ng? Th\u01b0\u1eddng th\u00ec laptop c\u1ee7a b\u1ea1n k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng Wifi c\u1ee7a ch\u00ednh gia \u0111\u00ecnh b\u1ea1n, tuy nhi\u00ean m\u1ed9t s\u1ed1 laptop t\u1ef1 \u0111\u1ed9ng k\u1ebft n\u1ed1i m\u1ea1ng wifi kh\u00e1c, b\u1ecf qua m\u1ea1ng hi\u1ec7n \u0111ang d\u00f9ng. N\u00ean b\u1ea1n h\u00e3y th\u1eed k\u1ebft n\u1ed1i l\u1ea1i wifi cho laptop.<\/p>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">B\u1ea1n c\u0169ng n\u00ean ki\u1ec3m tra l\u1ea1i m\u1eadt kh\u1ea9u Wifi xem c\u00f3 b\u1ecb thay \u0111\u1ed5i kh\u00f4ng? \u0110\u00f4i khi b\u1ea1n l\u01b0u m\u1eadt kh\u1ea9u k\u1ebft n\u1ed1i nh\u01b0ng m\u1eadt kh\u1ea9u \u0111\u00f3 \u0111\u00e3 b\u1ecb thay \u0111\u1ed5i m\u00e0 b\u1ea1n kh\u00f4ng bi\u1ebft th\u00ec ch\u1eafc ch\u1eafn b\u1ea1n kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i Wifi l\u1ea1i \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">B\u1ea1n n\u00ean th\u1eed truy c\u1eadp website kh\u00e1c, tr\u00ecnh duy\u1ec7t kh\u00e1c \u0111\u1ec3 x\u00e1c minh nguy\u00ean nh\u00e2n l\u00e0 do wifi b\u1ecb m\u1ea5t k\u1ebft n\u1ed1i hay ch\u1ec9 l\u00e0 kh\u00f4ng th\u1ec3 v\u00e0o \u0111\u01b0\u1ee3c m\u1ed9t trang web c\u1ee5 th\u1ec3. Ho\u1eb7c c\u0169ng c\u00f3 th\u1ec3 h\u00f3a \u0111\u01a1n m\u1ea1ng \u0111\u00e3 \u0111\u1ebfn k\u1ef3 thanh to\u00e1n m\u00e0 b\u1ea1n l\u1ea1i qu\u00ean m\u1ea5t \u0111i\u1ec1u \u0111\u00f3. V\u00ec khi qu\u00e1 k\u1ef3 thanh to\u00e1n, nh\u00e0 m\u1ea1ng s\u1ebd t\u1ea1m d\u1eebng cung c\u1ea5p d\u1ecbch v\u1ee5 internet c\u1ee7a gia \u0111\u00ecnh b\u1ea1n.<\/p>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c ph\u00edm t\u1eaft tr\u00ean b\u00e0n ph\u00edm laptop \u0111\u1ec3 b\u1eadt\/t\u1eaft Wifi. \u0110\u1ed1i v\u1edbi m\u1ed7i d\u00f2ng laptop kh\u00e1c nhau s\u1ebd c\u00f3 nh\u1eefng t\u1ed5 h\u1ee3p ph\u00edm t\u1eaft kh\u00e1c nhau, c\u1ee5 th\u1ec3 nh\u01b0 sau:&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>Laptop th\u01b0\u01a1ng hi\u1ec7u<\/td><td>Dell<\/td><td>Asus<\/td><td>Lenovo<\/td><td>Acer<\/td><td>HP<\/td><td>Toshiba<\/td><\/tr><tr><td>T\u1ed5 h\u1ee3p ph\u00edm <strong>k\u1ebft n\u1ed1i wifi cho laptop<\/strong><\/td><td>Fn + PrtScr<\/td><td>Fn + F2<\/td><td>Fn + F5 ho\u1eb7c Fn + F7<\/td><td>Fn + F5 ho\u1eb7c Fn + F2<\/td><td>Fn + F12<\/td><td>Fn + F12<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Nhung_cach_fix_loi_laptop_mat_ket_noi_wifi_don_gian_hieu_qua\"><\/span><strong>Nh\u1eefng c\u00e1ch fix l\u1ed7i laptop m\u1ea5t k\u1ebft n\u1ed1i wifi \u0111\u01a1n gi\u1ea3n, hi\u1ec7u qu\u1ea3<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Sau khi ki\u1ec3m tra th\u1ea5y <strong>laptop kh\u00f4ng b\u1eaft \u0111\u01b0\u1ee3c wifi<\/strong>, b\u1ea1n c\u00f3 th\u1ec3 th\u1eed m\u1ed9t trong nh\u1eefng c\u00e1ch sau \u0111\u00e2y:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Restart_laptop_hoac_bo_phat_wifi\"><\/span><strong>Restart laptop ho\u1eb7c b\u1ed9 ph\u00e1t wifi<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"396\" src=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2021\/11\/865ef649-laptop-khong-ket-noi-duoc-wifi-2.jpg\" alt=\"Kh\u1edfi \u0111\u1ed9ng l\u1ea1i laptop\" class=\"wp-image-51759\" srcset=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2021\/11\/865ef649-laptop-khong-ket-noi-duoc-wifi-2.jpg 700w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2021\/11\/865ef649-laptop-khong-ket-noi-duoc-wifi-2-500x283.jpg 500w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><figcaption><em>Restart laptop ho\u1eb7c b\u1ed9 ph\u00e1t wifi<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">Gi\u1ea3i ph\u00e1p \u0111\u1ea7u ti\u00ean khi wifi b\u1ecb ng\u1eaft k\u1ebft n\u1ed1i \u0111\u00f3 l\u00e0 b\u1ea1n kh\u1edfi \u0111\u1ed9ng l\u1ea1i laptop, b\u1ed9 ph\u00e1t wifi c\u1ee7a m\u00ecnh. L\u00e0m c\u00e1ch n\u00e0y, b\u1ea1n c\u00f2n gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c nhi\u1ec1u l\u1ed7i v\u1eb7t kh\u00e1c. Nhi\u1ec1u khi do b\u1ed9 ph\u00e1t wifi b\u1ecb l\u1ed7i ho\u1eb7c xung \u0111\u1ed9t v\u1edbi ph\u1ea7n m\u1ec1m. B\u1ea1n ch\u1ec9 c\u1ea7n ng\u1eaft k\u1ebft n\u1ed1i ngu\u1ed3n v\u00e0i ph\u00fat v\u00e0 c\u1eafm l\u1ea1i c\u00f3 th\u1ec3 kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c l\u1ed7i tr\u00ean.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Kiem_tra_wifi_co_bi_tat_dat_o_che_do_may_bay_khong\"><\/span><strong>Ki\u1ec3m tra wifi c\u00f3 b\u1ecb t\u1eaft, \u0111\u1eb7t \u1edf ch\u1ebf \u0111\u1ed9 m\u00e1y bay kh\u00f4ng?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">Do laptop c\u00f3 ph\u00edm b\u1eadt\/ t\u1eaft wifi nhanh n\u00ean c\u00f3 th\u1ec3 b\u1ea1n v\u00f4 t\u00ecnh \u1ea5n nh\u1ea7m v\u00e0o n\u00fat t\u1eaft, khi\u1ebfn laptop m\u1ea5t wifi. B\u1ea1n th\u1eed nh\u1ea5n n\u00fat b\u1eadt\/t\u1eaft wifi xem laptop b\u1eaft \u0111\u01b0\u1ee3c wifi kh\u00f4ng? Ngo\u00e0i ra, n\u1ebfu b\u1ea1n d\u00f9ng Windows 10, laptop c\u00f3 th\u1ec3 \u0111ang k\u00edch ho\u1ea1t ch\u1ebf \u0111\u1ed9 m\u00e1y bay n\u00ean b\u1ea1n th\u1eed ki\u1ec3m tra l\u1ea1i ch\u1ebf \u0111\u1ed9 m\u00e1y bay trong laptop xem c\u00f3 \u0111ang b\u1eadt hay kh\u00f4ng? N\u1ebfu \u0111ang b\u1eadt, b\u1ea1n ch\u1ec9 c\u1ea7n t\u1eaft \u0111i l\u00e0 \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Xoa_mang_wifi_dang_ket_noi_va_thuc_hien_ket_noi_lai\"><\/span><strong>X\u00f3a m\u1ea1ng wifi \u0111ang k\u1ebft n\u1ed1i v\u00e0 th\u1ef1c hi\u1ec7n k\u1ebft n\u1ed1i l\u1ea1i<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"467\" src=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2021\/11\/3f090d20-laptop-khong-ket-noi-duoc-wifi-3.jpg\" alt=\"X\u00f3a m\u1ea1ng wifi hi\u1ec7n t\u1ea1i \u0111\u1ec3 reset\" class=\"wp-image-51760\" srcset=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2021\/11\/3f090d20-laptop-khong-ket-noi-duoc-wifi-3.jpg 700w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2021\/11\/3f090d20-laptop-khong-ket-noi-duoc-wifi-3-500x334.jpg 500w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2021\/11\/3f090d20-laptop-khong-ket-noi-duoc-wifi-3-600x400.jpg 600w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><figcaption><em>X\u00f3a m\u1ea1ng wifi \u0111ang k\u1ebft n\u1ed1i v\u00e0 th\u1ef1c hi\u1ec7n k\u1ebft n\u1ed1i l\u1ea1i<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">\u00c1p d\u1ee5ng c\u00e1ch n\u00e0y khi k\u1ebft n\u1ed1i wifi laptop c\u1ee7a b\u1ea1n b\u00e1o \u201c!\u201d m\u00e0u v\u00e0ng ho\u1eb7c limited v\u00e0 nh\u1eefng c\u00e1ch tr\u00ean ch\u01b0a kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c. Click chu\u1ed9t v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng wifi tr\u00ean thanh Taskbar, s\u1ebd c\u00f3 danh s\u00e1ch c\u00e1c m\u1ea1ng wifi laptop c\u00f3 th\u1ec3 b\u1eaft \u0111\u01b0\u1ee3c. Nh\u1ea5p chu\u1ed9t ph\u1ea3i v\u00e0o k\u1ebft n\u1ed1i wifi b\u1ea1n mu\u1ed1n x\u00f3a v\u00e0 ch\u1ecdn \u201cForget\u201d. Sau \u0111\u00f3 b\u1ea1n ch\u1ecdn bi\u1ec3u t\u01b0\u1ee3ng wifi v\u00e0 th\u1ef1c hi\u1ec7n k\u1ebft n\u1ed1i l\u1ea1i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Kiem_tra_cai_dat_mang_wifi_trong_Control_Panel\"><\/span><strong>Ki\u1ec3m tra c\u00e0i \u0111\u1eb7t m\u1ea1ng wifi trong Control Panel<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">B\u1ea1n v\u00e0o Control Panel, ch\u1ecdn \u201cNetwork and Sharing Center\u201d r\u1ed3i ch\u1ecdn \u201cChange adapter settings\u201d \u0111\u1ec3 t\u00ecm m\u1ea1ng wifi. N\u1ebfu b\u1ea1n th\u1ea5y n\u00f3 \u0111ang c\u00f3 m\u00e0u x\u00e1m, ch\u00ecm xu\u1ed1ng th\u00ec nh\u1ea5p chu\u1ed9t ph\u1ea3i v\u00e0 ch\u1ecdn \u201cEnable\u201d b\u1eadt l\u1ea1i WiFi. C\u00f2n n\u1ebfu \u0111\u01b0\u1eddng m\u1ea1ng wifi b\u1ecb ng\u0103n b\u1edfi&nbsp; \u201cx\u201d m\u00e0u \u0111\u1ecf th\u00ec b\u1ea1n th\u1eed ch\u1ecdn chu\u1ed9t ph\u1ea3i v\u00e0o n\u00f3 &gt; Disable&gt; l\u1ea1i chu\u1ed9t ph\u1ea3i &gt; Enable xem c\u00f3 \u0111\u01b0\u1ee3c hay kh\u00f4ng?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"_Cai_dat_lai_driver\"><\/span><strong>&nbsp;C\u00e0i \u0111\u1eb7t l\u1ea1i driver<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"474\" src=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2021\/11\/f6cf56b5-laptop-khong-ket-noi-duoc-wifi-4.jpg\" alt=\"C\u00e0i \u0111\u1eb7t l\u1ea1i driver\" class=\"wp-image-51761\" srcset=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2021\/11\/f6cf56b5-laptop-khong-ket-noi-duoc-wifi-4.jpg 700w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2021\/11\/f6cf56b5-laptop-khong-ket-noi-duoc-wifi-4-500x339.jpg 500w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><figcaption><em>C\u00e0i \u0111\u1eb7t l\u1ea1i driver<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">\u0110\u1ec3 th\u1ef1c hi\u1ec7n c\u00e0i \u0111\u1eb7t l\u1ea1i Wireless Network Adapter Driver, b\u1ea1n c\u1ea7n d\u00f9ng Windows Device Manager \u0111\u1ec3 g\u1ee1 wireless adapter \u0111\u00e3 c\u00e0i \u0111\u1eb7t tr\u01b0\u1edbc. C\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n c\u00e0i driver nh\u01b0 sau:<\/p>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">Ch\u1ecdn bi\u1ec3u t\u01b0\u1ee3ng Start &gt; Device Manager &gt; nh\u1ea5n \u0111\u00fap Device Manager &gt; nh\u1ea5p \u0111\u00fap Network Adapters &gt; chu\u1ed9t ph\u1ea3i v\u00e0o WiFi Adapter &gt; ch\u1ecdn Uninstall &gt; m\u00e0n h\u00ecnh Confirm Device Uninstall xu\u1ea5t hi\u1ec7n, ch\u1ecdn OK. \u0110\u00e2y l\u00e0 qu\u00e1 tr\u00ecnh g\u1ee1 c\u00e0i \u0111\u1eb7t wireless adapter, \u0111\u1ee3i khi ho\u00e0n t\u1ea5t, b\u1ea1n l\u00e0m ti\u1ebfp c\u00e1c thao t\u00e1c sau:&nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">Ch\u1ecdn Device Manager &gt; ch\u1ecdn Action &gt; ch\u1ecdn Scan For Hardware Changes trong menu drop-down. Laptop s\u1ebd t\u1ef1 \u0111\u1ed9ng c\u00e0i \u0111\u1eb7t l\u1ea1i wifi adapter. Khi ch\u01b0\u01a1ng tr\u00ecnh ho\u00e0n t\u1ea5t, b\u1ea1n \u0111\u00f3ng t\u1ea5t c\u1ea3 c\u00e1c c\u1eeda s\u1ed5 \u0111ang ho\u1ea1t \u0111\u1ed9ng, kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u00e1y t\u00ednh \u0111\u1ec3 th\u1eed k\u1ebft n\u1ed1i l\u1ea1i m\u1ea1ng wifi tr\u00ean m\u00e1y t\u00ednh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Lam_moi_dia_chi_IP\"><\/span><strong>L\u00e0m m\u1edbi \u0111\u1ecba ch\u1ec9 IP<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">M\u1ed9t nguy\u00ean nh\u00e2n d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng <strong>laptop kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi<\/strong> l\u00e0 b\u1ecb xung \u0111\u1ed9t mi\u1ec1n \u0111\u1ecba ch\u1ec9 IP. B\u1ea1n th\u1eed l\u00e0m m\u1edbi IP tr\u00ean m\u00e1y xem c\u00f3&nbsp; kh\u1eafc ph\u1ee5c l\u1ed7i n\u00e0y \u0111\u01b0\u1ee3c kh\u00f4ng, nh\u01b0 sau:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 1: Ch\u1ecdn t\u1ed5 h\u1ee3p ph\u00edm \u201cWindows + R\u201d, h\u1ed9p tho\u1ea1i Run \u0111\u01b0\u1ee3c m\u1edf ra, b\u1ea1n g\u00f5 &#8220;cmd&#8221;.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"360\" src=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2021\/11\/59a563ba-laptop-khong-ket-noi-duoc-wifi-5.jpg\" alt=\"S\u1eeda CMD\" class=\"wp-image-51762\" srcset=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2021\/11\/59a563ba-laptop-khong-ket-noi-duoc-wifi-5.jpg 700w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2021\/11\/59a563ba-laptop-khong-ket-noi-duoc-wifi-5-500x257.jpg 500w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><figcaption><em>M\u1edf h\u1ed9p tho\u1ea1i Run \u201c cmd\u201d<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 2: B\u1ea1n nh\u1eadp l\u1ec7nh \u201cipconfig \/release\u201d &gt; \u201cEnter\u201d.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"346\" src=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2021\/11\/25d2f274-laptop-khong-ket-noi-duoc-wifi-6.jpg\" alt=\"t\u1ea1i sao laptop kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi\" class=\"wp-image-51763\" srcset=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2021\/11\/25d2f274-laptop-khong-ket-noi-duoc-wifi-6.jpg 700w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2021\/11\/25d2f274-laptop-khong-ket-noi-duoc-wifi-6-500x247.jpg 500w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><figcaption><em>Nh\u1eadp \u201cipconfig \/release\u201d <\/em><\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 3: B\u1ea1n nh\u1eadp l\u1ec7nh \u201cipconfig \/renew\u201d &gt; \u201cEnter\u201d.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2021\/11\/bdd25799-laptop-khong-ket-noi-duoc-wifi-7.jpg\" alt=\"laptop kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi\" class=\"wp-image-51764\" width=\"700\" height=\"340\" srcset=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2021\/11\/bdd25799-laptop-khong-ket-noi-duoc-wifi-7.jpg 700w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2021\/11\/bdd25799-laptop-khong-ket-noi-duoc-wifi-7-500x243.jpg 500w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><figcaption><em>Nh\u1eadp l\u1ec7nh \u201cipconfig \/renew\u201d<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 4: Sau \u0111\u00f3 b\u1ea1n th\u1eed kh\u1edfi \u0111\u1ed9ng l\u1ea1i laptop \u0111\u1ec3 h\u1ec7 th\u1ed1ng c\u1eadp nh\u1eadt thay \u0111\u1ed5i m\u1edbi v\u00e0 b\u1ea1n th\u1eed ki\u1ec3m tra th\u00e0nh qu\u1ea3.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Quet_virus_toan_bo_laptop\"><\/span><strong>Qu\u00e9t virus to\u00e0n b\u1ed9 laptop<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">N\u1ebfu kh\u00f4ng may b\u1ea1n truy c\u1eadp v\u00e0o website ch\u1ee9a m\u00e3 \u0111\u1ed9c, s\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m crack kh\u00f4ng \u0111\u1ee7 an to\u00e0n n\u00ean virus x\u00e2m nh\u1eadp m\u00e1y t\u00ednh l\u00e0m x\u00e1o tr\u1ed9n m\u1ed9t s\u1ed1 c\u00e0i \u0111\u1eb7t v\u1ed1n c\u00f3 trong laptop c\u1ee7a b\u1ea1n. V\u00e0 b\u1ea1n kh\u1eafc ph\u1ee5c b\u1eb1ng c\u00e1ch c\u00e0i \u0111\u1eb7t ch\u01b0\u01a1ng tr\u00ecnh di\u1ec7t virus, cho ch\u1ea1y \u0111\u1ec3 qu\u00e9t to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng. Sau \u0111\u00f3, b\u1ea1n th\u1eed k\u1ebft n\u1ed1i l\u1ea1i wifi xem sao?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tat_che_do_laptop_tiet_kiem_Pin\"><\/span><strong>T\u1eaft ch\u1ebf \u0111\u1ed9 laptop ti\u1ebft ki\u1ec7m Pin<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"431\" src=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2021\/11\/490b60ff-laptop-khong-ket-noi-duoc-wifi-8.jpg\" alt=\"t\u1ea1i sao laptop kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi\" class=\"wp-image-51765\" srcset=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2021\/11\/490b60ff-laptop-khong-ket-noi-duoc-wifi-8.jpg 700w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2021\/11\/490b60ff-laptop-khong-ket-noi-duoc-wifi-8-500x308.jpg 500w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><figcaption><em>T\u1eaft ch\u1ebf \u0111\u1ed9 laptop ti\u1ebft ki\u1ec7m Pin<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">B\u1ea1n n\u00ean th\u1eed t\u1eaft ch\u1ebf \u0111\u1ed9 ti\u1ebft ki\u1ec7m pin tr\u00ean laptop khi b\u1ecb l\u1ed7i kh\u00f4ng k\u1ebft n\u1ed1i wifi xem kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c kh\u00f4ng, c\u00e1c b\u01b0\u1edbc nh\u01b0 sau:&nbsp;<\/p>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">Nh\u1ea5n t\u1ed5 h\u1ee3p \u201cWindows+R\u201d &gt; nh\u1eadp l\u1ec7nh \u201cncpa.cpl\u201d &gt; OK &gt; ch\u1ecdn chu\u1ed9t ph\u1ea3i v\u00e0o wifi \u0111ang d\u00f9ng &gt; ch\u1ecdn Properties &gt; ch\u1ecdn chu\u1ed9t ph\u1ea3i v\u00e0o adapter \u0111ang d\u00f9ng &gt; ch\u1ecdn Properties. T\u1ea1i \u201cClient for Microsoft Networks\u201d b\u1ea1n ch\u1ecdn Configure&#8230; &gt; sang tab \u201cPower Management\u201d th\u00ec b\u1ea1n b\u1ecf ch\u1ecdn \u201cAllow the computer to turn off\u2026\u201d &gt; OK.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Vo_hieu_hoa_phan_mem_VPN_va_cac_phan_mem_khac\"><\/span><strong>V\u00f4 hi\u1ec7u h\u00f3a ph\u1ea7n m\u1ec1m VPN v\u00e0 c\u00e1c ph\u1ea7n m\u1ec1m kh\u00e1c<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">B\u1ea1n \u0111\u00e3 ki\u1ec3m tra v\u00e0 th\u1eed nh\u1eefng c\u00e1ch tr\u00ean m\u00e0 laptop v\u1eabn ch\u01b0a k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi th\u00ec c\u00f3 th\u1ec3 ph\u1ea7n m\u1ec1m n\u00e0o \u0111\u00f3 b\u1ea1n \u0111ang ch\u1ea1y ng\u0103n laptop k\u1ebft n\u1ed1i v\u1edbi WiFi. VPN ho\u1eb7c m\u1ea1ng ri\u00eang \u1ea3o l\u00e0 ph\u1ea7n m\u1ec1m \u0111i\u1ec3n h\u00ecnh g\u00e2y ra t\u00ecnh tr\u1ea1ng n\u00e0y. B\u1ea1n th\u1eed v\u00f4 hi\u1ec7u h\u00f3a t\u1ea1m th\u1eddi VPN, t\u01b0\u1eddng l\u1eeda hay ph\u1ea7n m\u1ec1m di\u1ec7t virus,\u2026 \u0111ang s\u1eed d\u1ee5ng xem c\u00f3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c kh\u00f4ng?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Thay_doi_vi_tri_dat_wifi\"><\/span><strong>Thay \u0111\u1ed5i v\u1ecb tr\u00ed \u0111\u1eb7t wifi<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"338\" src=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2021\/11\/c5dab1e4-laptop-khong-ket-noi-duoc-wifi-9.jpg\" alt=\"t\u1ea1i sao laptop kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi\" class=\"wp-image-51766\" srcset=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2021\/11\/c5dab1e4-laptop-khong-ket-noi-duoc-wifi-9.jpg 700w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2021\/11\/c5dab1e4-laptop-khong-ket-noi-duoc-wifi-9-500x241.jpg 500w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><figcaption><em>Thay \u0111\u1ed5i v\u1ecb tr\u00ed \u0111\u1eb7t wifi<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">Trong ch\u00ednh ng\u00f4i nh\u00e0 c\u1ee7a b\u1ea1n, t\u1ea1i kh\u00f4ng gian ph\u00f2ng kh\u00e1c nhau s\u1ebd c\u00f3 kh\u1ea3 n\u0103ng b\u1eaft t\u00edn hi\u1ec7u wifi kh\u00e1c nhau, c\u00f3 khi c\u00f2n b\u1ecb m\u1ea5t t\u00edn hi\u1ec7u. C\u00f3 th\u1ec3 do c\u00e1c thi\u1ebft b\u1ecb c\u00f3 s\u00f3ng kh\u00e1c g\u00e2y nhi\u1ec5u, do g\u01b0\u01a1ng k\u00ednh trong ph\u00f2ng, anten b\u00ean ngo\u00e0i router,\u2026&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cai_dat_lai_Windows_tren_may_tinh\"><\/span><strong>C\u00e0i \u0111\u1eb7t l\u1ea1i Windows tr\u00ean m\u00e1y t\u00ednh<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">N\u1ebfu v\u1eabn kh\u00f4ng kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c th\u00ec b\u1ea1n th\u1eed c\u00e0i \u0111\u1eb7t l\u1ea1i Windows c\u1ee7a laptop. Vi\u1ec7c n\u00e0y gi\u00fap b\u1ea1n thi\u1ebft l\u1eadp l\u1ea1i c\u00e0i \u0111\u1eb7t PC, kh\u00f4i ph\u1ee5c c\u00e0i \u0111\u1eb7t g\u1ed1c v\u00e0 v\u1eabn s\u1ebd gi\u1eef l\u1ea1i \u0111\u01b0\u1ee3c c\u00e1c d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mot_so_meo_giup_kich_song_wifi_cang_hon\"><\/span><strong>M\u1ed9t s\u1ed1 m\u1eb9o gi\u00fap k\u00edch s\u00f3ng wifi c\u0103ng h\u01a1n<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"393\" src=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2021\/11\/04f196b3-laptop-khong-ket-noi-duoc-wifi-10.jpg\" alt=\"laptop kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi\" class=\"wp-image-51767\" srcset=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2021\/11\/04f196b3-laptop-khong-ket-noi-duoc-wifi-10.jpg 700w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2021\/11\/04f196b3-laptop-khong-ket-noi-duoc-wifi-10-500x281.jpg 500w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><figcaption><em>M\u1ed9t s\u1ed1 m\u1eb9o gi\u00fap k\u00edch s\u00f3ng wifi c\u0103ng h\u01a1n<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1ch k\u1ebft n\u1ed1i wifi cho m\u00e1y t\u00ednh<\/strong> c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c c\u0103ng h\u01a1n trong ch\u00ednh ng\u00f4i nh\u00e0 c\u1ee7a b\u1ea1n nh\u01b0 sau:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Ch\u1ecdn v\u1ecb tr\u00ed th\u00edch h\u1ee3p nh\u1ea5t \u0111\u1ec3 \u0111\u1eb7t Modern: Nh\u1eefng n\u01a1i c\u00f3 v\u1ecb tr\u00ed m\u1edf, th\u00f4ng tho\u00e1ng v\u00e0 xa c\u00e1c thi\u1ebft b\u1ecb kim lo\u1ea1i, \u0111i\u1ec7n t\u1eed kh\u00e1c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; \u0110\u1ed5i k\u00eanh t\u00edn hi\u1ec7u wifi: \u0110\u1ed5i l\u1ea1i k\u00eanh wifi c\u1ee7a b\u1ea1n \u0111ang l\u01b0u trong trang c\u1ea5u h\u00ecnh router nh\u00e0 b\u1ea1n. B\u1ea1n n\u00ean ch\u1ecdn k\u00eanh \u00edt s\u1ef1 xung \u0111\u1ed9t ho\u1eb7c k\u00eanh kh\u00f4ng c\u00f3 wifi n\u00e0o s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; L\u1eafp \u0111\u1eb7t th\u00eam Repeater: S\u1eed d\u1ee5ng th\u00eam m\u1ed9t router kh\u00e1c gi\u00fap m\u1edf r\u1ed9ng ph\u1ea1m vi cho ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp m\u1ea1ng.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Thay anten cho modem: \u0102ng-ten HGA \u0111\u1eb3ng h\u01b0\u1edbng gi\u00fap t\u1eadp trung n\u0103ng l\u01b0\u1ee3ng, truy\u1ec1n th\u1eb3ng t\u1edbi c\u00e1c v\u1ecb tr\u00ed t\u1ed1t nh\u1ea5t.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; C\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean Firmware: C\u1ea7n \u0111\u1ea3m b\u1ea3o firmware, driver lu\u00f4n \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 t\u1ea3i b\u1ea3n m\u1edbi nh\u1ea5t gi\u00fap router v\u1eadn h\u00e0nh t\u1ed1t nh\u1ea5t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; M\u1eb9o t\u1eadp trung t\u00edn hi\u1ec7u b\u1eb1ng v\u1ecf lon bia: C\u1eaft v\u1ecf lon bia gi\u1ed1ng nh\u01b0 \u0111\u0129a radar v\u00e0 l\u1eadt \u00fap qua anten router r\u1ed3i c\u1ed1 \u0111\u1ecbnh b\u1eb1ng b\u0103ng d\u00ednh s\u1ebd gi\u00fap b\u1ea1n t\u1eadp trung t\u00edn hi\u1ec7u \u0111\u1ebfn n\u01a1i xa h\u01a1n t\u1ed1t nh\u1ea5t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; C\u00e1ch \u0111\u1eb7t anten router ph\u00f9 h\u1ee3p: \u0102ng-ten h\u01b0\u1edbng l\u00ean tr\u00ean b\u1eaft s\u00f3ng chi\u1ec1u ngang t\u1ed1t h\u01a1n v\u00e0 anten h\u01b0\u1edbng ngang b\u1eaft s\u00f3ng chi\u1ec1u d\u1ecdc t\u1ed1t h\u01a1n. T\u00f9y v\u1ecb tr\u00ed s\u00f3ng \u0111\u1ec3 \u0111\u1eb7t anten ph\u00f9 h\u1ee3p.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1edbi m\u1ed9t s\u1ed1 c\u00e1ch fix l\u1ed7i <strong>laptop kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi <\/strong>\u1edf tr\u00ean hi v\u1ecdng gi\u00fap b\u1ea1n l\u00e0m vi\u1ec7c c\u00f9ng laptop hi\u1ec7u qu\u1ea3 h\u01a1n v\u00e0 c\u00f3 th\u1ec3 t\u1ef1 s\u1eeda \u0111\u01b0\u1ee3c khi laptop b\u1ecb m\u1ea5t m\u1ea1ng. truy c\u1eadp <a href=\"https:\/\/www.chotot.com\/\" target=\"_blank\" aria-label=\" (opens in a new tab)\" rel=\"noreferrer noopener\" class=\"ek-link\"><strong>Ch\u1ee3 T\u1ed1t<\/strong><\/a> Kinh Nghi\u1ec7m \u0111\u1ec3 bi\u1ebft th\u00eam nhi\u1ec1u m\u1eb9o v\u1eb7t h\u1eefu \u00edch trong cu\u1ed9c s\u1ed1ng.&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Laptop kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi l\u00e0 m\u1ed9t trong nh\u1eefng l\u1ed7i th\u00f4ng th\u01b0\u1eddng, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng. C\u00f3 nhi\u1ec1u nguy\u00ean nh\u00e2n g\u00e2y ra s\u1ef1 kh\u00f3 ch\u1ecbu n\u00e0y v\u00e0 c\u0169ng c\u00f3 nhi\u1ec1u c\u00e1ch \u0111\u01a1n gi\u1ea3n gi\u00fap b\u1ea1n t\u1ef1 kh\u1eafc ph\u1ee5c l\u1ed7i hi\u1ec7u qu\u1ea3. C\u00f9ng t\u00ecm hi\u1ec3u chi ti\u1ebft n\u1ed9i<\/p>\n","protected":false},"author":38,"featured_media":51768,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"laptop kh\u00f4ng k\u1ebft n\u1ed1i wifi","_yoast_wpseo_title":"Laptop kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi: H\u01b0\u1edbng d\u1eabn c\u1ee5 th\u1ec3 c\u00e1ch fix l\u1ed7i","_yoast_wpseo_metadesc":"B\u1ea1n c\u00f3 bi\u1ebft laptop kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi nguy\u00ean nh\u00e2n do \u0111\u00e2u? 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