Question about HP Pavillion a818n Desktop PC (Refurb) Pentium 515(2.93Ghz) 512MB 160GB (PS453AAR)

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No display on computer

I have HP 1020n PC with m.b PTGD-LA, intel P4, 512 ddr ram and 200 gig sata hard drive. When I turn on the PC, monitor shows no display. My monitor is working fine with other PCs. My hard drive working fine with other PCs. I have to check Mother Board, RAM and processor. Which one should i try replacing? It do not give single beep or sound. Fans, CD drives etc working fine, no problem with PSU

Can anybody guide me?

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First thing is do you have a beep when the system boots? Sounds like you may have a BIOS issue I would start there........your RAM and processor are more than likely NOT the problem

Posted on Jul 31, 2009

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Posted on Jan 02, 2017

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Is your monitor on?
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I have a HP m7388a PC and the mb is faulty (video card doesnt work) (i tried it with a similar card and still didnt work) I dont want to buy a different mb as it will probably result in me having to...


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Click start control panel administrive tools computer management device manager scroll to display adapters + to expand you might see a yellow question mark ? or exclamation mark ! or a red x right click select reinstall drivers also

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The fan is loud when I turn it on and it beeps 3 times and there's no signal to monitor


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Another thing you can try is reseating the processor. Turn the ZIF screw, take the processor out (WATCH THE PINS!!) and put back in GENTLY. Leave the memory in the computer, hard drive removed, try to power on.

These models have been known for bad motherboards. Contact HP and arrange to send it in. If you do enough digging on HPs website, you'll find the service advisory.


-Dell & HP Certified Technician

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According to intel:

1.6 System Memory
The Desktop Boards provide the following memory features:
• Two DIMM sockets supporting one of the following10:
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