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hydrive1902 asked on

motherboard graphics card dead- HP desktop

Hi I have a 2 year old HP desktop that has a AAHD3-HB motherboard. The graphics card IS built in but has failed. The screen does not turn on or anything but all the fans make noise. Tested the cable and monitor on another PC and it works. So the problem is the motherboards video card. the motherboard has a few extra slots, one pci express x16 and three pci express x1.

I was wondering if any of these are good to try and install?

http://www.staples.com/msi-GeForce-8400-GS-1GB-PCI-Express-21-Graphic-Card/product_IM1DY9010

http://www.staples.com/EVGA-GeForce-8400-GS-1GB-PCI-Express-20-Low-Profile-Ready-Graphic/product_IM1HA9521
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nobus

8/22/2022 - Mon
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dbrunton

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Gareth Gudger

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ASKER
hydrive1902

Thanks everyone for the ideas.

It appears to boot everything except the LCD when the problem is occuring. I can hear the hard drive boot up and the cd rom drive opens and closes when you press the button, and all the fans are spinning.

For diagnostics I removed the ram and powered it up (as dbrunton noted for me to try). I did hear the beeps when the ram was removed. I then reinstalled the ram and now the LCD is working once again.

I checked the capps visually, none were swollen or exploded. Any idea what the problem is? We had this problem several times, but usually if I hold the power button and turn it back on that fixes it. This time I had to remove the Ram before it came back ok. I also tried unplugging the unit for two days  (I tried that before I made my original post, but it did not help).

So any ideas what would cause this? Is the board likley to fail? Or is there a chance the problem can be the memory?
Gary Case

There are a variety of possible causes.

The first thing I'd do is replace the CMOS battery (probably a CR2032).   The system may simply be losing its settings.

Another thing you can do that doesn't require any spare parts is run MemTest86+ for a few cycles (a few hours).    http://www.memtest.org/

If the memory is okay; and a new battery doesn't resolve it, I'd replace the power supply.   Unstable or marginal power can cause a lot of "strange" problems.
dbrunton

Also remove the memory again and wipe the edges with a soft tissue.  Blow off any dust.  Also blow out the memory slots and vacuum any dust off the board.  Remove and reseat the power cables from the motherboard and inspect the connectors for any burn marks.

Clean any dust from fan and blow out dust from CPU heatsink.

Check the power supply fan and that it is spinning freely and dust free.

And everything that garycase has stated.

Can't tell you if the board is going to or not fail.  That's not possible.
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nobus

test with the minimum setup as suggested
another way to troubleshoot is by swapping out devices