No display on the desktop Dell Studio D540

I turned on my D540 and no video. I checked the power supply and it has a green light. The button before you can is not green and yellow. The hard disk snaps into rotation is turned on. Mouse and USB keyboard don't seem to get power (no lights not lit).

I can't go in the BIOS or Windows Start menu as the screen does not work. I have an add-in in the video card, so I removed and plugged the monitor VGA on the motherboard. No joy. The monitor continues to say that there is no video signal from the computer in all options. Double checked the monitor and it works on another computer.

Any suggestions? TIA.

Kurt83

An amber power light, and solid with no "beeps" may indicate a power supply or motherboard problem.

Unless you have a guarantee that Dell is unfortunately not going to help, you can use expired Dell warranty service, but Dell will charge a fee for this:

http://www.Dell.com/learn/us/en/19/services/out-of-warranty

Try the following, if you are comfortable working around computers:

Note: the only 100% POWER supply test method, is to install a power known to work.

Unplug the power cord, hold the power button in for about 15-20 seconds, open the case, disconnect the power connector 24-pin motherboard and jumping the Green wire to one of the black wires, plug in the power cord and the power of the system, if food and case fans and disk hard drive performance then the power supply should be good.

Note: Do not remove the wires from the plug, use a small piece of wire or a paper clip as a rider.

Excerpt from power supply, again, unplug the power cord, hold the power button again for 15/20 seconds to discharge residual power, reconnect the connector 24 pin to the motherboard.

Remove all the computer PCI cards, remove the video card [as appropriate], disconnect all devices, except the monitor, mouse and keyboard and unplug cable power & data of all readers.

Reconnect the power cord and power the system on, see if you get a different indication of the LED on the power button / stop, or 'beeps '.

No difference, remove the system memory and try again.

Still shows no signs of life while looking at a motherboard replacement & maybe a processor.

Note: The good news is, processors lack rarely, being the only method I know to check a processor, install a compatible work PC, or use a known job processing.
 
Bev.

Tags: Dell Desktop

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