Final Analysis

Conclusion:   It sounds like you have either bad video card or one that wasn't properly installed or reinstalled.

Cause:     This is seen most commonly when someone attempts to reinstall or recover Windows themselves.  It is also seen frequently when someone tries to install a new video card.

Desktop / Laptop Computer

Labor:    See current rate for: Computer Hardware Install

Parts:     Rarely needed, $80 for standard video card if applicable.  Replacement video cards are only needed about 5 percent of the time.