To run a stress test on your video card in Dell SupportAssist, click on the Windows start button to search for and open SupportAssist. Go to the ‘Support’ tab and click on ‘Get Started’ under ‘Test my Hardware’. Expand the section ‘I want to check a specific piece of hardware’. Scroll down, and select ‘Video Card’ from the list of devices. Select ‘Stress Test’ and click on ‘Run’. SupportAssist will then run a video card stress test. If you have any questions, contact us via one of the options on our Support Website so we can assist you.