Question about Dell Dimension E520 PC Desktop

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No display on the Dell Dem 520

I am working on a Dell Demn 520 and the screen is black.I start the system the lights come on but i get nothing on the screen. I tried 3 different monitors, I replaced the Graphic card and I even took out the CMOS battery and the screen is black. The monitor does not even turn green when the computer turn on. I don't even get the bios screen to come on. Also I took out the mem. All i get with the mem out is the beep error code for no mem.

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IT SOUNDS LIKE HARD-DRIVE FAILURE, TRY REINSTALLING THE OPERATING SYSTEM, BUT IF IT DOES NOTHING THEN REPLACE THE DRIVE

Posted on Jun 16, 2009

  • Genie Plus
    Genie Plus Feb 26, 2011

    Colinmns nothing is coming on his screen even the BIOS how will he install an OS....???
    Problem can be from least to worst : CMOS battery/ Powersupply / memory/ graphic card/ motherboard/ CPU.
    Simple test : first unplug the power cord, remove the battery, clear the CMOS, unplug the Power Supply completely from the motherboard/ CPU/ HDD/ DVDRW etc, ..leave all this unplug for 30mins ...
    Now replug ONLY the Power Supply to the Mboard CPU but don't put the battery back for now and don't forget to put the CMOS jumper back. If the computer start then it might be a battery issue or Power Supply because of a static current.
    Else it might be the memory / Motherboard/ CPU/ graphic card...
    Memory fault : usually do beep sound
    CPU fault : usually fan don't turn 'not always depend on mboard'
    Graphic card : fault is HDD is like loading windows but nothing on sreen

    Hope this help

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