Ctrl key stuck on even when keyboard unplugged

  • Thread starter Thread starter BassMonster8760
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BassMonster8760

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Hi there, I’m stumped. Two weeks ago, my computer starting behaving odd:

-my mouse wheel was zooming apps in and out

-when working on text documents the last thing I had copied would suddenly paste infinitely

-none of my letters worked to type

-when I started to look on the internet, someone said open the OSK so I did and find that when I press one Ctrl key or the other on the keyboard, both Ctrl keys on OSK are depressed.

-This happens every time I start my computer

-If I push the power button on my PC and reboot it that way several times I can usually get about 10min of use before the Ctrl key comes on


What I’ve learned since is that when I turn on my computer, I get anywhere from 10 seconds to 5 minutes of usable keyboard before both control keys show as stuck down on the OSK and my computer.


Here’s my computer specifications:

-Custom built about 5 years ago

-Mobo: Asus ROG Maximus Hero X

-CPU: Intel Coffee Lake i7-8700K @ 3.7GHz

-SSD: Samsung Evo 850 1TB

-RAM: 16GM GSkill Ripjaw DDR4

-OS: 64bit Windows 10 Home version 20H2 on build 19042.746 installed on 2021-01-20

-GPU: Nvidia 1080ti

-Keyboard: Logitech G910


Here’s what doesn’t work to fix the problem:

-Check that they key isn’t being accidentally depressed by something

-Unplug and replug keyboard, including into a different USB port both on the back and front of the case

-Remove both Ctrl keys and clean using compressed air (as well as a general blowout of the whole keyboard)

-Verified “gaming mode” is off

-Test alternative keyboard (Logitech G413)

-Ctrl+Alt+Del+Esc

-Press both Ctrl keys at the same time and hold for 10 seconds

-Rapidly press both Ctrl keys repeatedly

-remove, reinstall and update keyboard driver in device manager

-Uninstall and reinstall the Logitech G keyboard software

-Turn off stick keys and all keyboard related accessibility settings

-Turn off the depressed keys in the OSK

-Download 3rd party software to disable the Ctrl key in the registry

-System restore to last know good configuration before problems began

-Windows system recovery (soft format, keep files)

-Windows system recovery (soft format, remove files)

-Create windows recovery / boot media and use it to repair windows

-Quick format of SSD and fresh install of Windows 10

-Secure erase of SSD and fresh install of Windows 10

-Boot in clean boot mode

-Boot in safe mode with networking

-Boot in safe mode without networking

-Perform Windows reset

-Ran the Windows Keyboard troubleshooter

-Removed RGB lighting software

-Logged in and out of windows

-Cleared BIOS and reset to recommended defaults

-Cleared CMOS

-Updated BIOS version


I’ve seen one other post with a similar issue and it was liked by 13 others who had the same question. I’m hoping that we can get a fix here and that this can be a master thread for anyone dealing with this same issue.


I’m not sure what else to do. Any advice?


Thank you

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