TOPIC: i need help with my computer on gmod and csgo

when i play csgo or gmod the colour of the scree is blue and red

Try this :
www.intel.com/support/graphics/sb/CS-003871.htm

Might help. not sure

Well, you could've at least put your PC specs in your post so we know what your parts are and to see what exactly is causing the problem.

Update your graphics driver