!rant

Coworker: I've been working on this computer for an entire day now and it's still having issues

Boss: Well, we can give the client an option to get another SSD and clone to it before reinstalling the OS.

Coworker: But he doens't have an SSD...

Boss: Yes he does

Coworker: *opens computer* let's see, two 1TB hard drives... but no SSD... Oh, there it is. It's hidden. But it's booting too slow to be....

*epiphany*

Coworker: Oh my god. I've been telling the computer to boot to the wrong hard drive. That explains everything!