Click 'Troubleshooting' in the search result. See if your wireless network adapter appears. Network adapters missing after Windows 10 20H2 update? In the search box at the top right of the window, enter 'Power Options'. There is no wireless choice under network connections. You can follow the instruction below to run the network troubleshooter: On your keyboard, press the Windows logo key and type network troubleshooter. This website uses cookies to improve your experience. Under 'Troubleshoot computer problem' click on 'Network and Internet'. Once the updates are downloaded, install them and your Windows will become up-to-date. Justin, a Microsoft Certified: Modern Desktop Administrator Associate, is a technical writer and a tech enthusiast.