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.
How to find DELL Service Tag or Express Service Code Remotely via CMD. DELL gives a unique serial number to all desktops/laptop it sells as it gives them a unique identification which is useful when you call for support.ow to find DELL Service Tag or Express Service Code Remotely via CMD. DELL gives a unique serial number to all desktops/laptop it sells as it gives them a unique identification which is useful when you call for support.