Checkerboard problem with all my TF2 things

Hi everyone, having a problem with Team Fortress 2 things showing up in gmod.

Every single thing is checkerboarded, and I’m not sure why. The game is installed and mounted, so it should be fine.

The only thing I can think of is the fact that I’ve moved all my steam things from my C drive to my D drive and Garry’s Mod is looking for my TF2 things in the default install location.

But I installed Garry’s mod after I made this change, so I’m not sure if this is relevant.

I don’t have any add-ons at the moment. I can post my system info if it will help.

Can anyone help?

Yeah that would probably do it. If you reinstall it or move it back to your C drive it should work. Why did you move it there anyway?

Isn’t the D drive for Factory backup or something?