Direct X is an application that can help check to see if there are any issues associated with your video as well as other devices. Click on the START button, (and then, if using Windows XP, click the RUN button,) and then type DXDIAG and hit Enter. Now click the Display tab to look for any indication of video issues. Click the Exit button when finished. Also, SPECviewperf is a benchmarking application that may be downloaded for free from www.SPEC.org