My props dont show any Bullet decals

As the title says it all. i cant see any bullet holes or blood holes on my NPC’s body. and props appear dark when i move or touch it with the Physics gun.(example: a prop still stays dark on a bright background)

Really sorry. dont know how to show screen shots.

As for the screen shots, find the ‘Print Screen’ key on your keyboard, then go into MS Paint or something image editing program, and click on paste. Save the image and upload it to a site, like Filesmelt.

Try to reinstall GMod or clean it. http://wiki.garrysmod.com/?title=Cleaning_GMod