If this doesn’t fix it go into Control Panel, Device Manager, Network adapters and uninstall all of them. Shut down Windows/computer. Turn on and boot up. Let Windows discover the network adapters and re-install drivers.
If none of this works you may need to replace the Wi-Fi card inside. Search iFixit for the Repair Guide.
Go into BIOS and make shure Wi-Fi is turned on.
If this doesn’t fix it go into Control Panel, Device Manager, Network adapters and uninstall all of them. Shut down Windows/computer. Turn on and boot up. Let Windows discover the network adapters and re-install drivers.
If none of this works you may need to replace the Wi-Fi card inside. Search iFixit for the Repair Guide.