Hi Nick. I'm Greg, 10 years awarded Windows MVP, specializing in Installation, Performance, Troubleshooting and Activation, here to help you.

This is why Windows has System Restore, so you can go back in minutes to a point before a mistake was made like in a time machine.

System Restore is your first line of defense if Windows ever malfunctions as it can run even from recovery media to get you back before a problem started like a time machine. It should always be turned on C drive with plenty of disk space (5-15%) configured. Here's how to check and when necessary how to run System Restore: https://www.windowscentral.com/how-use-system-r...

There's Death Adder Elite and Cynosa safe driver downloads here:

https://drivers.softpedia.com/get/KEYBOARD-and-...

If problems persist I have more fixes for Mice and Keyboards. You can also run their troubleshooters at Settings > Update & Security > Troubleshoot. > Additional Troubleshooters.

Feel free to ask back any questions. Please report back results for all steps given so I know what else to suggest if necessary.

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