
Consequently, that will also render the Mobile hotspot feature unusable. Having Airplane Mode enabled on your Windows 10 computer suspends all wireless connections-Wi-Fi, Bluetooth, mobile data-on the device. Other network glitches (the Unidentified Network error, for example) could also cause Mobile hotspot not to work on your Windows 10 computer.

And if nothing changes, you should contact your internet provider to check if there's network downtime.

You can take your PC closer to the router or the other way round, i.e., move the router to your PC. In that case, you should check and troubleshoot your router-if your device is connected to a wireless network. If the network your PC is connected to has a 'No internet, secured' label, the Mobile hotspot will be grayed out. The Windows 10 Mobile hotspot feature is designed to function only when your computer can access the internet via the (wired or wireless) network you connect it to.
