No Network Adapters showing in Device Manager.Network adapter missing in Device manager.These are the reasons behind the Network Adapter missing issue: In short, when you click on the Wireless icon on the system tray there won’t be any device listed in order to connect to the Internet and if you open Device Manager then you won’t see the Network Adapter tab. If you don’t see Wireless Adapter under Network Connections neither there is a Network adapter tab under device manager then it seems like your Network Adapter is missing or not detected on your Windows 10 which is a serious issue because you won’t be able to access the Internet until the issue is resolved.