Why Is My Laptop Turning On But No Display. Dxdiag shows both monitors as working. How to Troubleshoot Power Issues on a Dell Desktop or All-in-One.
The first thing you should check. The only thing that will come on is the light coming from the power button and the computers built-in fan. No fan noise is heard.
Short circuit might also be the reason for computer not booting.
Dell computer shows no signs of power. In other words your computer starts but the screen is black. If a memory module is loose the computer might not display an image. No display after turning monitor ON not boot black screen no power lights Make sure the power button on the front panel is normal for boot Check if the signal cable VGA DVI HDMI DisplayPort is well connected and confirmed another end of the output cable has been firmly connected to computer input port graphics card.
