Couldn't you solve the Grayed Airplane Mode Switch Problem using the keyboard short cuts? or By Turning off the Physical Airplane Mode switch? Then you should try this method. It is nothing other than Disabling the Airplane Mode Controls Collections.
Activating Airplane Mode disables all the wireless connections on your computer (Wi-Fi, Bluetooth, or Mobile Broadband). If you are unable to turn Airplane Mode off and reconnect to wireless networks, follow the steps in this article to help resolve this issue.
1. Press and hold the Windows key and then press the r key.
2. In the Run box, type devmgmt.msc, and then press Enter.
Note: If the User Account Control window appears, touch or click Yes.
3. Touch or click the arrow to the left of Human Interface Devices.
4. Touch and right-click Airplane Mode Switch Collection, and then select Disable
5. Now it will work again as usual.
Keyboard Shortcut Method:
Activating Airplane Mode disables all the wireless connections on your computer (Wi-Fi, Bluetooth, or Mobile Broadband). If you are unable to turn Airplane Mode off and reconnect to wireless networks, follow the steps in this article to help resolve this issue.
1. Press and hold the Windows key and then press the r key.
2. In the Run box, type devmgmt.msc, and then press Enter.
Note: If the User Account Control window appears, touch or click Yes.
3. Touch or click the arrow to the left of Human Interface Devices.
4. Touch and right-click Airplane Mode Switch Collection, and then select Disable
5. Now it will work again as usual.
Keyboard Shortcut Method:
1. Please see your function Keys . Either F2 or the PtrScr+Fn key ( ptrscr is next to F12 key and Fn is near Ctrl key - Press both together) enables or disables the Airplain Mode in Dell systems.
2. You can press those keys and see the screen for the display showing the Off or On mode.
3. When i press ptrscr + fn in my system i get the below display on my screen indicating the Off position.