I updated the Broadcom wireless network driver on my laptop yesterday. Mistake. After reboot, my laptop would not display any available wireless networks, meaning I couldn't connect to anything. I ...

If Bluetooth driver is missing or gets removed after a Windows Update, add the legacy driver from the Device Manager, install the correct driver from your manufacturer, etc.

After installing Windows Updates or a Feature Upgrade, you may find no wireless networks are available. Wired Ethernet connections may also not function properly if you use a built-in Ethernet adapter ...