{"id":61166,"date":"2023-03-08T15:53:49","date_gmt":"2023-03-08T08:53:49","guid":{"rendered":"https:\/\/www.chotot.com\/kinh-nghiem\/?p=61166"},"modified":"2024-01-10T11:00:59","modified_gmt":"2024-01-10T04:00:59","slug":"laptop-khong-bat-duoc-wifi-5ghz","status":"publish","type":"post","link":"https:\/\/www.chotot.com\/kinh-nghiem\/laptop-khong-bat-duoc-wifi-5ghz.html","title":{"rendered":"C\u00e1ch x\u1eed l\u00fd t\u00ecnh tr\u1ea1ng laptop kh\u00f4ng b\u1eaft \u0111\u01b0\u1ee3c wifi 5GHz \u0111\u01a1n gi\u1ea3n t\u1ea1i nh\u00e0"},"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-bat-duoc-wifi-5ghz.html\/#Nguyen_nhan_va_cach_khac_phuc_laptop_khong_bat_duoc_wifi_5GHz\" >Nguy\u00ean nh\u00e2n v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c laptop kh\u00f4ng b\u1eaft \u0111\u01b0\u1ee3c wifi 5GHz<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/laptop-khong-bat-duoc-wifi-5ghz.html\/#Tin_hieu_song_wifi_5GHz_yeu\" >T\u00edn hi\u1ec7u s\u00f3ng wifi 5GHz y\u1ebfu<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/laptop-khong-bat-duoc-wifi-5ghz.html\/#Laptop_khong_ho_tro_5GHz\" >Laptop kh\u00f4ng h\u1ed7 tr\u1ee3 5GHz<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/laptop-khong-bat-duoc-wifi-5ghz.html\/#Router_khong_ho_tro_5GHz\" >Router kh\u00f4ng h\u1ed7 tr\u1ee3 5GHz<\/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-bat-duoc-wifi-5ghz.html\/#Bi_xung_dot_giua_24GHz_va_5GHz\" >B\u1ecb xung \u0111\u1ed9t gi\u1eefa 2.4GHz v\u00e0 5GHz<\/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-bat-duoc-wifi-5ghz.html\/#Do_bo_mo_rong_song\" >Do b\u1ed9 m\u1edf r\u1ed9ng s\u00f3ng<\/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-bat-duoc-wifi-5ghz.html\/#Do_laptop_bi_quan_tri_wifi_chan\" >Do laptop b\u1ecb qu\u1ea3n tr\u1ecb wifi ch\u1eb7n<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/laptop-khong-bat-duoc-wifi-5ghz.html\/#Mot_so_cach_khac_phuc_laptop_khong_bat_duoc_wifi_5GHz_khac\" >M\u1ed9t s\u1ed1 c\u00e1ch kh\u1eafc ph\u1ee5c laptop kh\u00f4ng b\u1eaft \u0111\u01b0\u1ee3c wifi 5GHz kh\u00e1c<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"has-text-align-justify wp-block-paragraph\">B\u0103ng t\u1ea7n wifi 5GHz t\u1eeb l\u00e2u \u0111\u00e3 kh\u00f4ng c\u00f2n xa l\u1ea1 v\u1edbi ng\u01b0\u1eddi d\u00f9ng ch\u00fang ta hi\u1ec7n nay. \u0110\u00e2y l\u00e0 m\u1ed9t chu\u1ea9n k\u1ebft n\u1ed1i v\u1edbi t\u1ed1c \u0111\u1ed9 cao v\u00e0 \u1ed5n \u0111\u1ecbnh h\u01a1n so v\u1edbi b\u0103ng t\u1ea7n 2.4GHz truy\u1ec1n th\u1ed1ng. Trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng, n\u1ebfu <strong>laptop kh\u00f4ng b\u1eaft \u0111\u01b0\u1ee3c wifi 5GHz<\/strong> th\u00ec b\u1ea1n h\u00e3y c\u00f9ng tham kh\u1ea3o m\u1ed9t s\u1ed1 c\u00e1ch kh\u1eafc ph\u1ee5c sau \u0111\u00e2y c\u1ee7a<strong> Ch\u1ee3 T\u1ed1t \u0110i\u1ec7n T\u1eed<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Nguyen_nhan_va_cach_khac_phuc_laptop_khong_bat_duoc_wifi_5GHz\"><\/span><strong>Nguy\u00ean nh\u00e2n v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c laptop kh\u00f4ng b\u1eaft \u0111\u01b0\u1ee3c wifi 5GHz<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tin_hieu_song_wifi_5GHz_yeu\"><\/span>T\u00edn hi\u1ec7u s\u00f3ng wifi 5GHz y\u1ebfu<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">\u0110\u1ed1i v\u1edbi b\u0103ng t\u1ea7n 5GHz, ph\u1ea1m vi ph\u1ee7 s\u00f3ng l\u00e0 th\u1ea5p h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi b\u1eb1ng t\u1ea7n 2.4GHz truy\u1ec1n th\u1ed1ng. \u0110i\u1ec1u n\u00e0y c\u0169ng \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c n\u1ebfu \u1edf xa ngu\u1ed3n ph\u00e1t wifi, laptop c\u00f3 kh\u1ea3 n\u0103ng ch\u1ec9 b\u1eaft \u0111\u01b0\u1ee3c t\u00edn hi\u1ec7u t\u1eeb b\u0103ng t\u1ea7n 2.4GHz v\u00e0 kh\u00f4ng th\u1ec3 th\u1ea5y \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i 5GHz.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2023\/02\/e6c5545c-laptop-khong-bat-duoc-wifi-5ghz.jpg\" alt=\"laptop kh\u00f4ng b\u1eaft \u0111\u01b0\u1ee3c wifi 5GHz\" class=\"wp-image-61167\" srcset=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2023\/02\/e6c5545c-laptop-khong-bat-duoc-wifi-5ghz.jpg 800w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2023\/02\/e6c5545c-laptop-khong-bat-duoc-wifi-5ghz-500x333.jpg 500w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2023\/02\/e6c5545c-laptop-khong-bat-duoc-wifi-5ghz-768x512.jpg 768w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2023\/02\/e6c5545c-laptop-khong-bat-duoc-wifi-5ghz-600x400.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>M\u1ed9t s\u1ed1 nguy\u00ean nh\u00e2n laptop kh\u00f4ng b\u1eaft \u0111\u01b0\u1ee3c wifi 5GHz v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c t\u01b0\u01a1ng \u1ee9ng<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1ch kh\u1eafc ph\u1ee5c<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1eed d\u1ee5ng laptop \u1edf g\u1ea7n v\u1ecb tr\u00ed router wifi 5GHz h\u01a1n ho\u1eb7c s\u1eed d\u1ee5ng m\u1ed9t s\u1ed1 b\u1ed9 m\u1edf r\u1ed9ng s\u00f3ng \u0111\u1ec3 gia t\u0103ng kh\u1ea3 n\u0103ng ph\u1ee7 s\u00f3ng c\u1ee7a router.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Laptop_khong_ho_tro_5GHz\"><\/span><strong>Laptop kh\u00f4ng h\u1ed7 tr\u1ee3 5GHz<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">N\u1ebfu b\u1ed9 ph\u1eadn thu nh\u1eadn t\u00edn hi\u1ec7u wifi tr\u00ean laptop kh\u00f4ng h\u1ed7 tr\u1ee3 b\u0103ng t\u1ea7n 5GHz th\u00ec hi\u1ec3n nhi\u00ean laptop c\u0169ng s\u1ebd kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c. \u0110\u1ec3 bi\u1ebft \u0111\u01b0\u1ee3c laptop m\u00ecnh c\u00f3 h\u1ed7 tr\u1ee3 hay kh\u00f4ng, b\u1ea1n h\u00e3y x\u00e1c \u0111\u1ecbnh d\u1ef1a v\u00e0o ti\u00eau chu\u1ea9n th\u00f4ng s\u1ed1 wifi nh\u01b0 sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>802.11g 802.11n v\u00e0 802.11n 802.11g 802.11b ch\u1ec9 h\u1ed7 tr\u1ee3 \u0111\u1ebfn 2.4GHz v\u00e0 kh\u00f4ng h\u1ed7 tr\u1ee3 5GHz.<\/li>\n\n\n\n<li>802.11a 802.11g 802.11n h\u1ed7 tr\u1ee3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c tr\u00ean c\u1ea3 2.4GHz v\u00e0 5GHz.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">Th\u00f4ng th\u01b0\u1eddng, n\u1ebfu laptop c\u1ee7a b\u1ea1n kh\u00f4ng h\u1ed7 tr\u1ee3 5GHz th\u00ec c\u0169ng kh\u00f4ng th\u1ec3 nh\u00ecn th\u1ea5y nh\u1eefng k\u1ebft n\u1ed1i n\u00e0y t\u1ea1i b\u1ea3ng danh s\u00e1ch wifi kh\u1ea3 d\u1ee5ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1ch kh\u1eafc ph\u1ee5c<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tuy chi\u1ebfc laptop ho\u00e0n to\u00e0n kh\u00f4ng h\u1ed7 tr\u1ee3 v\u1ec1 ph\u1ea7n c\u1ee9ng nh\u01b0ng ch\u00fang ta v\u1eabn c\u00f3 th\u1ec3 kh\u1eafc ph\u1ee5c \u0111i\u1ec1u n\u00e0y b\u1eb1ng m\u1ed9t c\u00e1ch kh\u00e1 \u0111\u01a1n gi\u1ea3n. \u0110\u00f3 l\u00e0 s\u1eed d\u1ee5ng nh\u1eefng thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 th\u00f4ng qua c\u1ed5ng USB nh\u01b0 USB wifi hay adapter wifi \u0111\u1ec3 b\u1eaft s\u00f3ng 5GHz.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Router_khong_ho_tro_5GHz\"><\/span><strong>Router kh\u00f4ng h\u1ed7 tr\u1ee3 5GHz<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">Trong m\u1ed9t tr\u01b0\u1eddng h\u1ee3p ng\u01b0\u1ee3c l\u1ea1i, n\u1ebfu router ph\u00e1t wifi kh\u00f4ng h\u1ed7 tr\u1ee3 5GHz th\u00ec laptop c\u0169ng kh\u00f4ng c\u00f3 c\u01a1 h\u1ed9i \u0111\u1ec3 k\u1ebft n\u1ed1i \u0111\u1ebfn b\u0103ng t\u1ea7n m\u1ea1ng n\u00e0y. H\u1ea7u h\u1ebft router wifi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi h\u1ed9 gia \u0111\u00ecnh hi\u1ec7n nay \u0111\u1ec1u \u0111\u1ebfn t\u1eeb d\u1ecbch v\u1ee5 c\u1ee7a nh\u00e0 cung c\u1ea5p m\u1ea1ng. Khi b\u1ea1n h\u00f2a m\u1ea1ng internet l\u1ea7n \u0111\u1ea7u, nh\u00e0 m\u1ea1ng s\u1ebd c\u0169ng \u0111\u1ed3ng th\u1eddi \u201ct\u1eb7ng k\u00e8m\u201d m\u1ed9t b\u1ed9 router \u0111\u1ec3 ph\u00e1t wifi cho c\u1ea3 c\u0103n nh\u00e0.<\/p>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">Trong \u0111\u00f3, nh\u1eefng router th\u1ebf h\u1ec7 c\u0169 th\u01b0\u1eddng kh\u00f4ng h\u1ed7 tr\u1ee3 ph\u00e1t s\u00f3ng b\u0103ng t\u1ea7n 5GHz. B\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra ho\u1eb7c y\u00eau c\u1ea7u n\u00e2ng c\u1ea5p m\u1edbi b\u1eb1ng c\u00e1ch g\u1ecdi \u0111i\u1ec7n tho\u1ea1i tr\u1ef1c ti\u1ebfp cho t\u1ed5ng \u0111\u00e0i ch\u0103m s\u00f3c kh\u00e1ch h\u00e0ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1ch kh\u1eafc ph\u1ee5c<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi vi\u1ec7c router kh\u00f4ng h\u1ed7 tr\u1ee3 b\u0103ng t\u1ea7n 5GHz, b\u1ea1n ch\u1ec9 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c \u0111\u1ed5i m\u1edbi nh\u1eefng lo\u1ea1i thi\u1ebft b\u1ecb ph\u00e1t s\u00f3ng wifi c\u00f3 h\u1ed7 tr\u1ee3 chu\u1ea9n k\u1ebft n\u1ed1i n\u00e0y \u0111\u1ec3 s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bi_xung_dot_giua_24GHz_va_5GHz\"><\/span><strong>B\u1ecb xung \u0111\u1ed9t gi\u1eefa 2.4GHz v\u00e0 5GHz<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">Trong tr\u01b0\u1eddng h\u1ee3p laptop kh\u00f4ng b\u1eaft \u0111\u01b0\u1ee3c wifi 5Ghz th\u00ec nguy\u00ean nh\u00e2n chi\u1ebfm t\u1ef7 l\u1ec7 l\u1edbn nh\u1ea5t \u0111\u00f3 ch\u00ednh l\u00e0 xung \u0111\u1ed9t b\u0103ng t\u1ea7n. \u0110i\u1ec1u n\u00e0y x\u1ea3y ra khi router wifi ph\u00e1t c\u00f9ng l\u00fac 2 b\u0103ng t\u1ea7n s\u00f3ng 5GHz v\u00e0 2.4GHz (Separate SSID).<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2023\/02\/e665cc6e-laptop-khong-bat-duoc-wifi-5ghz-2.jpg\" alt=\"laptop kh\u00f4ng b\u1eaft \u0111\u01b0\u1ee3c wifi 5GHz\" class=\"wp-image-61168\" srcset=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2023\/02\/e665cc6e-laptop-khong-bat-duoc-wifi-5ghz-2.jpg 800w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2023\/02\/e665cc6e-laptop-khong-bat-duoc-wifi-5ghz-2-500x333.jpg 500w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2023\/02\/e665cc6e-laptop-khong-bat-duoc-wifi-5ghz-2-768x512.jpg 768w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2023\/02\/e665cc6e-laptop-khong-bat-duoc-wifi-5ghz-2-600x400.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>Xung \u0111\u1ed9ng b\u0103ng t\u1ea7n l\u00e0 nguy\u00ean nh\u00e2n ch\u1ee7 y\u1ebfu khi\u1ebfn laptop kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">Khi \u0111\u00e3 \u0111\u0103ng nh\u1eadp v\u00e0o c\u1ea3 2 m\u1ea1ng wifi (\u0111\u00e3 nh\u1eadp \u0111\u00fang m\u1eadt kh\u1ea9u v\u00e0o c\u1ea3 2) th\u00ec laptop s\u1ebd \u01b0u ti\u00ean t\u1ef1 \u0111\u1ed9ng l\u1ef1a ch\u1ecdn k\u1ebft n\u1ed1i wifi c\u00f3 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u1edbi m\u1ee9c s\u00f3ng m\u1ea1nh h\u01a1n. V\u00e0 nh\u01b0 \u0111\u00e3 n\u00eau tr\u01b0\u1edbc \u0111\u00f3, b\u0103ng t\u1ea7n 2.4GHz v\u01b0\u1ee3t tr\u1ed9i h\u01a1n 5GHz v\u1ec1 ph\u1ea1m vi bao ph\u1ee7 s\u00f3ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1ch kh\u1eafc ph\u1ee5c<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>M\u1ecdi ng\u01b0\u1eddi ch\u1ec9 n\u00ean l\u01b0u gi\u1eef k\u1ebft n\u1ed1i \u0111\u1ebfn 1 trong 2 b\u0103ng t\u1ea7n \u0111\u1ec3 gi\u1eef \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh cao nh\u1ea5t. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y ch\u00fang ta s\u1ebd qu\u00ean m\u1ea1ng 2.4GHz \u0111i v\u00e0 ch\u1ec9 gi\u1eef l\u1ea1i 5GHz.<\/li>\n\n\n\n<li>M\u1ecdi ng\u01b0\u1eddi c\u0169ng c\u00f3 th\u1ec3 kh\u1eafc ph\u1ee5c b\u1eb1ng c\u00e1ch t\u1eaft h\u1eb3n ch\u1ebf \u0111\u1ed9 ph\u00e1t s\u00f3ng 2 b\u0103ng t\u1ea7n c\u1ee7a router wifi. T\u1eeb \u0111\u00f3, ch\u00fang ta ch\u1ec9 c\u1ea7n ph\u00e1t s\u00f3ng 5GHz v\u00e0 s\u1eed d\u1ee5ng duy nh\u1ea5t k\u1ebft n\u1ed1i n\u00e0y. Tuy nhi\u00ean \u0111i\u1ec1u n\u00e0y c\u0169ng k\u00e9o theo vi\u1ec7c ch\u1ec9 nh\u1eefng thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 5GHz m\u1edbi c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Do_bo_mo_rong_song\"><\/span><strong>Do b\u1ed9 m\u1edf r\u1ed9ng s\u00f3ng<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">T\u00ednh n\u0103ng m\u1edf r\u1ed9ng s\u00f3ng ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd thu wifi g\u1ed1c v\u00e0 ph\u00e1t l\u1ea1i v\u1edbi m\u1ed9t c\u01b0\u1eddng \u0111\u1ed9 m\u1ea1nh h\u01a1n. Trong \u0111\u00f3, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 t\u00f9y ch\u1ecdn k\u1ebft h\u1ee3p c\u1ea3 2 s\u00f3ng n\u00e0y th\u00e0nh 1 ho\u1eb7c chia th\u00e0nh 2 s\u00f3ng v\u1edbi 2 t\u00ean v\u00e0 m\u1eadt kh\u1ea9u ri\u00eang bi\u1ec7t. Qua \u0111\u00f3, b\u1ed9 m\u1edf r\u1ed9ng s\u00f3ng (repeater) s\u1ebd l\u00e0 thi\u1ebft b\u1ecb trung chuy\u1ec3n \u0111\u1ec3 m\u1edf r\u1ed9ng ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng c\u1ee7a wifi.<\/p>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">Tuy nhi\u00ean, kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o repeater c\u0169ng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t. Th\u1ef1c t\u1ebf cho th\u1ea5y nh\u1eefng thi\u1ebft b\u1ecb repeater (bao g\u1ed3m modem repeater v\u00e0 repeater kh\u00f4ng d\u00e2y) gi\u00e1 r\u1ebb ch\u1ec9 c\u00f3 th\u1ec3 ph\u00e1t l\u1ea1i t\u1ed1i \u0111a 80% t\u1ed1c \u0111\u1ed9 ban \u0111\u1ea7u v\u1edbi k\u1ebft n\u1ed1i c\u1ef1c k\u1ef3 thi\u1ebfu \u1ed5n \u0111\u1ecbnh. \u0110\u00e2y c\u0169ng l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n khi\u1ebfn cho laptop kh\u00f4ng b\u1eaft \u0111\u01b0\u1ee3c wifi 5GHz.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1ch kh\u1eafc ph\u1ee5c<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Thay \u0111\u1ed5i m\u1ed9t b\u1ed9 m\u1edf r\u1ed9ng s\u00f3ng kh\u00e1c c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t h\u01a1n.<\/li>\n\n\n\n<li>Th\u1eed \u0111\u1eb7t b\u1ed9 m\u1edf r\u1ed9ng s\u00f3ng \u1edf g\u1ea7n router ch\u00ednh h\u01a1n. V\u1ecb tr\u00ed t\u1ed1t nh\u1ea5t l\u00e0 n\u00ean n\u1eb1m trong v\u00f9ng s\u00f3ng \u1ed5n \u0111\u1ecbnh c\u1ee7a router ch\u00ednh.<\/li>\n\n\n\n<li>B\u1ed9 m\u1edf r\u1ed9ng s\u00f3ng n\u00ean \u0111\u1eb7t ch\u1ebf \u0111\u1ed9 ph\u00e1t l\u1ea1i t\u00e1ch bi\u1ec7t v\u1edbi s\u00f3ng t\u1eeb router ch\u00ednh. T\u1ee9c l\u00e0 s\u1ebd xu\u1ea5t hi\u1ec7n 2 t\u00ean wifi kh\u00e1c nhau v\u00e0 \u0111\u1eb7t 2 m\u1eadt kh\u1ea9u kh\u00e1c nhau.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 wifi mesh thay cho nh\u1eefng b\u1ed9 m\u1edf r\u1ed9ng s\u00f3ng ri\u00eang l\u1ebb. \u0110\u00e2y l\u00e0 c\u00f4ng ngh\u1ec7 c\u00f3 th\u1ec3 mang \u0111\u1ebfn ph\u1ea1m vi ph\u1ee7 r\u1ed9ng s\u00f3ng v\u01b0\u1ee3t tr\u1ed9i h\u01a1n, \u1ed5n \u0111\u1ecbnh h\u01a1n v\u00e0 \u0111\u1ed9 tr\u1ec5 th\u1ea5p h\u01a1n. M\u1ed9t s\u1ed1 nh\u00e0 m\u1ea1ng hi\u1ec7n nay c\u0169ng \u0111\u00e3 cung c\u1ea5p d\u1ecbch v\u1ee5 wifi mesh \u0111i k\u00e8m v\u1edbi c\u00e1c g\u00f3i c\u01b0\u1edbc internet h\u00e0ng th\u00e1ng.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Do_laptop_bi_quan_tri_wifi_chan\"><\/span><strong>Do laptop b\u1ecb qu\u1ea3n tr\u1ecb wifi ch\u1eb7n<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">Laptop b\u1ecb ch\u1eb7n kh\u1ecfi m\u1ea1ng l\u01b0\u1edbi wifi l\u00e0 vi\u1ec7c ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 x\u1ea3y ra b\u1ea5t c\u1ee9 l\u00fac n\u00e0o. Trong \u0111\u00f3, ng\u01b0\u1eddi gi\u1eef quy\u1ec1n qu\u1ea3n tr\u1ecb c\u1ee7a router wifi s\u1ebd th\u1ed1ng k\u00ea \u0111\u01b0\u1ee3c t\u00ean thi\u1ebft b\u1ecb, th\u1eddi gian truy c\u1eadp, dung l\u01b0\u1ee3ng truy c\u1eadp, l\u1ecbch s\u1eed truy c\u1eadp,&#8230; v\u00e0 r\u1ea5t nhi\u1ec1u th\u00f4ng tin kh\u00e1c c\u1ee7a ng\u01b0\u1eddi truy c\u1eadp (client). T\u1eeb \u0111\u00f3, th\u00e0nh vi\u00ean qu\u1ea3n tr\u1ecb n\u00e0y c\u0169ng c\u00f3 th\u1ec3 ch\u1eb7n b\u1ea5t c\u1ee9 thi\u1ebft b\u1ecb n\u00e0o kh\u1ecfi m\u1ea1ng wifi 5GHz c\u1ee7a m\u00ecnh m\u1ed9t c\u00e1ch c\u1ef1c k\u1ef3 d\u1ec5 d\u00e0ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1ch kh\u1eafc ph\u1ee5c<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>B\u1ea1n n\u00ean trao \u0111\u1ed5i tr\u1ef1c ti\u1ebfp v\u1edbi ch\u1ee7 wifi \u0111\u1ec3 m\u1edf ch\u1eb7n v\u00e0 k\u1ebft n\u1ed1i l\u1ea1i.<\/li>\n\n\n\n<li>Trong tr\u01b0\u1eddng h\u1ee3p b\u1ea1n ch\u00ednh l\u00e0 ch\u1ee7 c\u1ee7a thu\u00ea bao wifi v\u00e0 quy\u1ec1n qu\u1ea3n tr\u1ecb \u0111\u00e3 b\u1ecb m\u1ed9t ng\u01b0\u1eddi kh\u00e1c chi\u1ebfm th\u00ec c\u00f3 th\u1ec3 reset l\u1ea1i router wifi \u0111\u1ec3 c\u00e0i \u0111\u1eb7t l\u1ea1i.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mot_so_cach_khac_phuc_laptop_khong_bat_duoc_wifi_5GHz_khac\"><\/span><strong>M\u1ed9t s\u1ed1 c\u00e1ch kh\u1eafc ph\u1ee5c laptop kh\u00f4ng b\u1eaft \u0111\u01b0\u1ee3c wifi 5GHz kh\u00e1c<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"400\" src=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2023\/02\/25d4efa9-laptop-khong-bat-duoc-wifi-5ghz-3.jpg\" alt=\"laptop kh\u00f4ng b\u1eaft \u0111\u01b0\u1ee3c wifi 5GHz\" class=\"wp-image-61169\" srcset=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2023\/02\/25d4efa9-laptop-khong-bat-duoc-wifi-5ghz-3.jpg 800w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2023\/02\/25d4efa9-laptop-khong-bat-duoc-wifi-5ghz-3-500x250.jpg 500w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2023\/02\/25d4efa9-laptop-khong-bat-duoc-wifi-5ghz-3-768x384.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>M\u1ed9t s\u1ed1 c\u00e1ch kh\u1eafc gi\u00fap kh\u1eafc ph\u1ee5c wifi b\u0103ng t\u1ea7n 5GHz kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 tham kh\u1ea3o m\u1ed9t s\u1ed1 c\u00e1ch \u201ct\u1ed5ng qu\u00e1t\u201d kh\u00e1c sau \u0111\u00e2y \u0111\u1ec3 kh\u1eafc ph\u1ee5c t\u00ecnh tr\u1ea1ng laptop kh\u00f4ng b\u1eaft \u0111\u01b0\u1ee3c wifi 5GHz:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Kh\u1edfi \u0111\u1ed9ng l\u1ea1i router wifi: <\/strong>\u0110\u1ea7u ti\u00ean, b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n t\u1eaft router wifi \u0111\u1ec3 ng\u1eaft k\u1ebft n\u1ed1i c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c chung m\u1ea1ng. Sau khi kh\u1edfi \u0111\u1ed9ng l\u1ea1i, chi\u1ebfc laptop c\u1ee7a b\u1ea1n s\u1ebd l\u00e0 thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c \u01b0u ti\u00ean trong l\u1ea7n k\u1ebft n\u1ed1i n\u00e0y.<\/li>\n\n\n\n<li><strong>Nh\u1eadn s\u1ef1 tr\u1ee3 gi\u00fap t\u1eeb nh\u00e0 m\u1ea1ng: <\/strong>B\u1ea1n c\u00f3 th\u1ec3 li\u00ean h\u1ec7 tr\u1ef1c ti\u1ebfp \u0111\u1ebfn v\u1edbi nh\u00e0 m\u1ea1ng \u0111\u1ec3 y\u00eau c\u1ea7u h\u1ed7 tr\u1ee3 v\u1ec1 kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i. Nh\u00e2n vi\u00ean ch\u0103m s\u00f3c kh\u00e1ch h\u00e0ng s\u1ebd c\u00f3 nh\u1eefng h\u01b0\u1edbng d\u1eabn x\u1eed l\u00fd t\u1eeb xa ho\u1eb7c \u0111i\u1ec1u chuy\u1ec3n nh\u00e2n vi\u00ean k\u1ef9 thu\u1eadt \u0111\u1ebfn t\u1eadn nh\u00e0.<\/li>\n\n\n\n<li><strong>Thay \u0111\u1ed5i router m\u1edbi:<\/strong> Vi\u1ec7c thay \u0111\u1ed5i router m\u1edbi s\u1ebd gi\u00fap n\u00e2ng c\u1ea5p v\u00e0 l\u00e0m m\u1edbi ho\u00e0n to\u00e0n nh\u1eefng k\u1ebft n\u1ed1i \u0111\u00e3 c\u0169. T\u1eeb \u0111\u00f3 c\u00f3 th\u1ec3 gi\u00fap ng\u01b0\u1eddi d\u00f9ng s\u1eed d\u1ee5ng b\u0103ng t\u1ea7n 5GHz m\u1ed9t c\u00e1ch \u1ed5n \u0111\u1ecbnh h\u01a1n.<\/li>\n\n\n\n<li><strong>Mang laptop \u0111i b\u1ea3o tr\u00ec:<\/strong> N\u1ebfu k\u1ebft n\u1ed1i m\u1ea1ng v\u1eabn \u1ed5n \u0111\u1ecbnh b\u00ecnh th\u01b0\u1eddng th\u00ec b\u1ea1n c\u00f3 th\u1ec3 mang chi\u1ebfc laptop c\u1ee7a m\u00ecnh \u0111\u1ebfn trung t\u00e2m b\u1ea3o h\u00e0nh \u0111\u1ec3 ki\u1ec3m tra. C\u00f3 th\u1ec3 do g\u1eb7p ph\u1ea3i m\u1ed9t s\u1ed1 l\u1ed7i ph\u1ea7n c\u1ee9ng ho\u1eb7c ph\u1ea7n m\u1ec1m b\u00ean trong m\u00e0 thi\u1ebft b\u1ecb kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c v\u1edbi m\u1ea1ng wifi 5GHz.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">C\u00f3 kh\u00e1 nhi\u1ec1u nguy\u00ean nh\u00e2n d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng <strong>laptop kh\u00f4ng b\u1eaft \u0111\u01b0\u1ee3c wifi 5GHz<\/strong>. T\u1eeb m\u1ed7i nguy\u00ean nh\u00e2n, ch\u00fang ta s\u1ebd c\u00f3 nh\u1eefng c\u00e1ch kh\u1eafc ph\u1ee5c kh\u00e1c nhau sao cho ph\u00f9 h\u1ee3p. <strong><a href=\"https:\/\/www.chotot.com\/mua-ban-do-dien-tu\" target=\"_blank\" aria-label=\"Ch\u1ee3 T\u1ed1t \u0110i\u1ec7n T\u1eed (opens in a new tab)\" rel=\"noreferrer noopener\" class=\"ek-link\">Ch\u1ee3 T\u1ed1t \u0110i\u1ec7n T\u1eed<\/a><\/strong> ch\u00fac b\u1ea1n s\u1edbm kh\u1eafc ph\u1ee5c th\u00e0nh c\u00f4ng v\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u1ea1ng 5GHz m\u1ed9t c\u00e1ch \u1ed5n \u0111\u1ecbnh nh\u1ea5t.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u0103ng t\u1ea7n wifi 5GHz t\u1eeb l\u00e2u \u0111\u00e3 kh\u00f4ng c\u00f2n xa l\u1ea1 v\u1edbi ng\u01b0\u1eddi d\u00f9ng ch\u00fang ta hi\u1ec7n nay. \u0110\u00e2y l\u00e0 m\u1ed9t chu\u1ea9n k\u1ebft n\u1ed1i v\u1edbi t\u1ed1c \u0111\u1ed9 cao v\u00e0 \u1ed5n \u0111\u1ecbnh h\u01a1n so v\u1edbi b\u0103ng t\u1ea7n 2.4GHz truy\u1ec1n th\u1ed1ng. Trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng, n\u1ebfu laptop kh\u00f4ng b\u1eaft \u0111\u01b0\u1ee3c wifi 5GHz th\u00ec b\u1ea1n h\u00e3y c\u00f9ng<\/p>\n","protected":false},"author":25,"featured_media":61169,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"laptop kh\u00f4ng b\u1eaft \u0111\u01b0\u1ee3c wifi 5GHz","_yoast_wpseo_title":"C\u00e1ch x\u1eed l\u00fd t\u00ecnh tr\u1ea1ng laptop kh\u00f4ng b\u1eaft \u0111\u01b0\u1ee3c wifi 5GHz \u0111\u01a1n gi\u1ea3n t\u1ea1i nh\u00e0","_yoast_wpseo_metadesc":"Trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng, n\u1ebfu laptop kh\u00f4ng b\u1eaft \u0111\u01b0\u1ee3c wifi 5GHz th\u00ec b\u1ea1n h\u00e3y c\u00f9ng tham kh\u1ea3o m\u1ed9t s\u1ed1 c\u00e1ch kh\u1eafc ph\u1ee5c sau \u0111\u00e2y c\u1ee7a Ch\u1ee3 T\u1ed1t \u0110i\u1ec7n T\u1eed.","_editorskit_title_hidden":false,"_editorskit_reading_time":6,"_editorskit_is_block_options_detached":false,"_editorskit_block_options_position":"{}","footnotes":""},"categories":[949,1077],"tags":[],"class_list":["post-61166","post","type-post","status-publish","format-standard","has-post-thumbnail","category-dien-tu","category-laptop-may-tinh"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C\u00e1ch x\u1eed l\u00fd t\u00ecnh tr\u1ea1ng laptop kh\u00f4ng b\u1eaft \u0111\u01b0\u1ee3c wifi 5GHz \u0111\u01a1n gi\u1ea3n t\u1ea1i nh\u00e0<\/title>\n<meta name=\"description\" content=\"Trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng, n\u1ebfu laptop kh\u00f4ng b\u1eaft \u0111\u01b0\u1ee3c wifi 5GHz th\u00ec b\u1ea1n h\u00e3y c\u00f9ng tham kh\u1ea3o m\u1ed9t s\u1ed1 c\u00e1ch kh\u1eafc ph\u1ee5c sau \u0111\u00e2y c\u1ee7a Ch\u1ee3 T\u1ed1t \u0110i\u1ec7n T\u1eed.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/laptop-khong-bat-duoc-wifi-5ghz.html\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\u00e1ch x\u1eed l\u00fd t\u00ecnh tr\u1ea1ng laptop kh\u00f4ng b\u1eaft \u0111\u01b0\u1ee3c wifi 5GHz \u0111\u01a1n gi\u1ea3n t\u1ea1i nh\u00e0\" \/>\n<meta property=\"og:description\" content=\"Trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng, n\u1ebfu laptop kh\u00f4ng b\u1eaft \u0111\u01b0\u1ee3c wifi 5GHz th\u00ec b\u1ea1n h\u00e3y c\u00f9ng tham kh\u1ea3o m\u1ed9t s\u1ed1 c\u00e1ch kh\u1eafc ph\u1ee5c sau \u0111\u00e2y c\u1ee7a Ch\u1ee3 T\u1ed1t \u0110i\u1ec7n T\u1eed.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.chotot.com\/kinh-nghiem\/laptop-khong-bat-duoc-wifi-5ghz.html\" \/>\n<meta property=\"og:site_name\" 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