Resolve No Power, No POST, No Boot or No Video Issues Problem Description Suggested Resolution; The computer is either turned off or not receiving power Reseat the power cable in the power connector on the back of the computer and the electrical outlet
Troubleshoot Power Issues on a Dell Laptop Dell laptops have a built-in diagnostic tool that helps you determine if the screen abnormality you are experiencing is an inherent problem with the LCD (screen) of the Dell laptop or with the video card (GPU) and computer settings