Ipad Pro Logitech Keyboard Some Keys Not Working. Follow the steps below to reset your iPad Pro. Its important to note that while your external keyboard is connected you can still bring up the on-screen keyboard on your iPad.
Now the keys work. In my case I need to press and release Shift then press 2 to get and the same with getting a on 7. If the iPad keyboard not working properly and even after changing some of the settings are not fixing the issue then quite possibly the iPadOS is corrupted or just some glitch on the OS is interfering with the keyboard function.
If all the above tips hold you should check if the keyboard is working on another computer or laptop.
Its important to note that while your external keyboard is connected you can still bring up the on-screen keyboard on your iPad. The keyboard all of sudden is. Then press and hold the on-screen arrow until the software keyboard appears. Click on Keyboard and change the setting from Automatic to English or in my case EnglishABC extended.