Previously, I've shared a story about the internship at an IT department for a local "center for student guidance". This was back when I was in high school.

Since nearly everyone was incompetent with tech, we often got a call for dumb IT errors. We got a call that a user had a black screen and could not work anymore with her computer.

So we went to troubleshoot, she was correct... A black screen but her computer was still booted. So we moved the mouse and the mouse showed up. We pressed escape and she could continue...

She called the IT department because she was on the last dia of her powerpoint and the text for "press escape to close the dia presentation" has disappeared. She never touched her keyboard or tried anything :D