Question about Dell Dimension C521 PC Desktop

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I turn on my pc and its blank screen on it but before i turned it on i removed fan to change it but all so removed the proccer to get to it and no its blank with no bios please help its all i have dimension c521 thank you no damage to hardware

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  • Daniel Wakefield
    Daniel Wakefield Apr 07, 2011

    Can you get the manual adjustment information on the screen by using the menu buttons on the front bottom? Have you checked the processor to make sure there are no bent pins (I don't think there are pins on this model but just be sure) and it is seated properly?

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  • Master
  • 721 Answers

Try unplugging the cord & resetting the bios by moving jp1 for 15 secs. Them to be sure, remove the bios battery for another 10 secs. Put the battery back, plug it in & see if you get a screen. If you do, press delete to enter BIOS. Rest the time & date & anything else you messed with. If it shuts down again, you're overheating the cpu. Meaning, the fan/heatasink isn't seated all the way or you need to apply new grease/thermal paste. If the latter is required, get artic silver or better. Remove all old grease/paste with a rag. Then re assemble. It takes about 30-60 secs for the cpu to shut down with in adequate cooling.

Posted on Apr 16, 2011

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