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.
Dell laptops contains a built-in projector detector and display utility. Justin Sullivan/Getty Images News/Getty Images. Dellâs Presentation Mode is a utility on the Dell laptop that automatically detects the presence of an external projector once you connect the device to your computer.