Strange Resolution

Alright so I started up Gmod just now and the resolution seems to be screwed up.

http://www.cubeupload.com/files/8bdc001gmodwat.png

All of the menus and such are huge and the spawn menu looks like this.

This is the actual size of the print screen.

anyone know how to fix this?

Press escape, click options, go to video, and raise the resolution.

Well I tried that. It normally would have worked but since my computer is a piece of crap Gmod crashed while preforming the action.

Is there any way to change the resolution of the game without starting it up?

Add the -w and -h parameters to garrysmod,

Steam > Right click gmod > Settings > Start Parameters (Or something, My steam is dutch) > “-w 1024 -h 768” without quotes, sets resolution to 1024x768