Reference Dell E520 no screen

My dell e520 desktop computer has been for about 3 years. When I turned it on I have no video signal. The monitor that I use works. In addition, the cables and the monitor works on my laptop. What could be the problem?

LEDs 3 and 4 indicate a memory failure, so buy a module indicates you have found wrong. You should try with only two modules in slots 1 and 2.

Tags: Dell Desktop

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