My tower is located under my desk next to my feet. I rest my feet on it but sometimes the display turns pinkish until i put my legs back down on the ground. Then it turns pink again. I have to hit (not that hard though) to make it fade back to regular colors. Then it fades back...then pink..and so on.
What could be the problem causing this? it couldnt be the monitor since it fixed when i gently hit the tower. Is it the video card?