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… I have tried doing a restart, hard restart, uninstalling the existing keyboard drivers and clicking on scan for hardware changes, but the surface type cover filter device doesn't come back. Poster kzh91 on the Microsoft Answers forum describes the problem:Īfter a recent surface pro 4 firmware update, my 'surface type cover filter device' driver disappeared, and my type cover no longer works. There are tantalizing hints that the bug arrived with a recent pushed software update, and it may affect some Surface Pro 3 machines as well.

This time the symptoms involve a suddenly dead Type Cover, a missing driver - and no help from Microsoft. Apart from that it all seems good, almost ready to put my Ipad 2 in the cupboard as my SP4 is working great as both a tablet and laptop.Yet another report of problems with the Microsoft Surface Pro 4. Suspend/hibernate doesn't work and will often not wake at all and needing to do a hard restart. I had to manually activate the pen via Bluetooth in System Settings and that was easy. I did have to install grub customiser as the touch kernel wasn't the default in grub menu. I ended up using 6a and 7a in the instructions and seem to have a really stable build now with the type cover working. Was a pain at the start but now it's easy after having done it so many times. There's plenty of sites with instructions how to do that. Booting would just take me to UEFI screen so had to use the liveCD and then recreate the grub menu. I reinstalled probably 6 times, had to reinstall the grub menu because it disappeared whenever I did a clean install. Sometimes the system would just freeze but every time at this point the SP4 would no longer restart or shutdown, just sat on the Ubuntu logo and the little dots stopped moving indicating it had stopped. The site recommends to use fridgecow's kernel but I'd get as far 7b in the instructions and then have issues. I'm brand new to Ubuntu and I got my SP4 working with Ubuntu 16.04LTS using the instructions here