Problem recurrence:
In the morning, after updating the system of the laptop, after connecting to the Internet, the network was suddenly disconnected. When I checked, I found that the WiFi module was missing, and the same was true after booting and restarting. This situation often occurs after updating the system, and the WiFi module driver will Some computers may encounter malfunctions. In this case, one of the situations is that the network driver is broken, in which case the driver needs to be reinstalled. Another situation is that there is static electricity in the computer, causing the driver to fail.
Solution one:
This is a WiFi module driver failure. You can reinstall the driver, but this is a bit troublesome.
Solution two:
After the computer remains shut down, press and hold the power button for about 30 seconds until the keyboard lights up once or twice, then plug in the computer power supply and restart it to eliminate the static electricity in the notebook.
