my keyboard will not work in fullscreen mode

Ian243

Reputable
Jan 26, 2015
11
0
4,520
Hi, I can't use my logitech MK550 wave keyboard in fullscreen mode. This applies to video games on steam and battle.net and videos on youtube. It won't exit when using Esc or pause with space bar. In game such as Evolve Stage 2 and Overwatch, I can't move the characters. I didn't change any of the settings in game either. The keyboard came in a combo with a mouse and they both use the same unified usb and the mouse works fine its just the keyboard. It worked fine last night but when i tried it today it started acting up.
here is what i tried:
1.Uninstall and reinstall drivers (both windows and logitech)
2.replaced batteries
3.scan for viruses by malwarebytes and emsisoft anti-malware and found nothing
4.change the position of unify usb
5.turned both devices on and off
6.tried a wired usb keyboard (had no effect)
7.no windows updates were made in the last 3 days
8.checked tablet mode (it is off)
9. device manager shows no issues
10.turned off emsisoft anti-malware
11.checked keyboard settings in ease of access (everything is off)
12.checked logitech unify software for updates and reinstalled the software
I upgraded to Windows 10 64bit, 3 days ago and had no problems till now. Please help its really getting on my nerves.
Thanks