Situation: The user can’t connect his wifi at home.
Troubleshooting: 1. Assuming password is correct, check the WiFi router for Device manager and make sure the device is not blocked. This is an example screenshot.
2. Try to install latest WiFi driver.
3. Make sure the computer doesn’t have Windows update holding. If so, install it first.
4. Reset the wifi router by turn off the power and turn it on.
