There are few moments in the digital age more frustrating than booting up a computer and realizing you have no internet access. You see the familiar icon in the bottom corner, but instead of the usual "fan" shape, you see a red "X" or a monitor with a caution sign.
Ready? Let’s fix this.
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Now go disable automatic driver updates—because the "updated" driver is often what broke it in the first place.
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If you cannot find the specific driver online, or the manufacturer website is confusing, you can check the Windows installation media itself.
Since you can't sudo apt install without Wi-Fi, use your phone's USB tethering (same as Windows above) or plug in an Ethernet cable temporarily. how to install wifi driver
: Right-click your WiFi adapter (often labeled "Wireless," "WLAN," or "802.11") and select Update driver .