If you find that your Windows 10 is stuck in Airplane mode and you cannot turn off Flight mode on you laptop then try this simple solution.

Press Fn+ the key with Radio Tower. On some laptops, it is the PrtScr key. Once you do this, you will see Airplane mode is disabled message on your device.

If this does not help. Unplug your cables. Power down the computer. Wait for a while. Start your computer and see.