One simple request
I know your keyboard needed to be cleaned, and as an IT guy I appreciate the fact that you were willing to clean it for yourself, but was it really necessary to do that while it was hooked up to a running PC? Are you really surprised that somewhere in this process you hit some keystrokes that messed up something and locked up your PC?
At least a reboot corrected whatever they had done, so it was simple enough to fix, but this whole call could have been avoided, really.
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