Dell venue 11 pro 7130 not recognizing the slim keyboard

Had the device and the keyboard for about 2,5 years and it's been acting up ever since. Recently it had a difficult time detecting the keyboard, loosing the connection on and off and not showing the battery at all. Finally got fed up with it a couple of days ago.

Cleared the hard drive, reinstalled windows 10, installed the recommended drivers from http://www.dell.com/support/home/us/en/19/product-support/product/dell-venue-11i-pro/drivers (except for the 7130vPro_A23 because apparently it's not compatible, so I'm running A21).

Only now I have the opposite issue. The battery is detected and charging/discharging, but I cannot use the keyboard. In the device manager it shows up as "Unknown USB Device(Device Descriptor Request Failed)". Tried uninstalling the drivers and updating them, but nothing happens. Please help!