My computer, the screen suddenly become a little fuzzy, but also cast a light blue thin-sha

My computer, the screen suddenly become a little fuzzy, but also cast a light blue thin-sha, I NVIDIA GEFORCE 7100 GS graphics cards, the kind of errant younger brother, please refer to be the way out Oh

The line re-inserted, the contact is not good, you give it a try.VGA two-line display and chassis data lines that connect the issues it
faulty data line, the display will often wrong, color, or a ripple, but the occasional touch that line, the display on the color of a return to normal.

I am just bought a new Now look at the display more comfortable.