When I was a kid, I accidentally hit Ctrl + Alt + Down, which on Intel integrated graphics flipped the screen orientation.
I didn’t understand what was happening, so we flipped the monitor and propped it on some books. It stayed like this for 10 years
- Spends 10 minutes investigating a weird highlighting issue.
- Realizes that there's a pile of stuff sitting over the rarely used game controller stashed somewhere in a drawer, but connected. A button was held pressed.