If the screen on your TV is flickering, the first thing to do is determine what the cause is. We can do this with some simple testing.
Click Run to launch the software. Dell System Detect will display your service tag and computer model number. 5. Visit the Dell Product Support for Home Users page (link in Resources). Enter your Service Tag number in the applicable box and click Submit.. A new page displays more information about your desktop model.
XPS 8500 - can't access BIOS. Brand new XPS 8500. When first powering on the system, the Dell logo is displayed but no F2 setup or F12 boot options messages appear. The Dell logo displays for about three seconds and then the OS is loaded. I've tried repeatedly pressing F2, F8, F12, and DEL at the initial Dell logo screen with no effect.