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.
1 When you find the program Dell System Detect, click it, and then do one of the following: 2  Windows Vista/7/8: Click Uninstall. 3  Windows XP: Click the Remove or Change/Remove tab (to the right of the program).  Follow the prompts. A progress bar shows you how long it will take to remove Dell System Detect.