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I have an about 2 year old M9047C HP PC....




By cskrook on Oct 14, 2009

" "
I have an about 2 year old M9047C HP PC. The display just stopped showing up when I power on the unit. I was thinking monitor at first, but plugged in a spare and same results. I opened up the base unit, powered it on and it worked... but only that one time. Luck I think. Is there a way to test a graphic card to see if it has gone bad? I notice the mother board has an output, I tried it did nothing.
Comments:

Oct 15, 2009

- Well... I removed the nvidia8400 from the PCI slot. Powered the unit down by holding the button for 10 seconds, only option I had, and unplugged the unit. Removed card totally and closed the unit back up. Powered back up with monitor plugged into on board slot vs. graphics card with no luck. So, there goes my little bit of hope for an easy solution. Power supply next? Maybe not enough juice to run the box, just make the light come on? These can be tested I assume...

Oct 17, 2009

- I certainly appreciate the extra information. Going with your review, HDD can't be it because I don't get any errors. The fans do spin on the processor, back of case and on the graphic card. I have four DIMM slots with RAM, so today I will try to pull them out in pairs as you suggest. The link picture of the mobo looks very close... just missing a couple of the options that came with the unit. There is a an AGP slot with a TV tuner input as well... but probably doesn't matter in the big picture. I was also thinking I could remove the battery off the mobo, to see if that reset something? I read on one page where the unit gets stuck in sleep mode. The one time it came on, it was like it came out of sleep because programs were running as I had left off. ? Dunno. I'm going to try the video card route, maybe I can get a used one just for testing from a local shop.

Best Solution

posted on Oct 14, 2009
Very Helpful)

gdlkn84as528

Rank: Guru 
Rating: 93%, 28 votes
Really there is no way to check a video card for problems unless 1.) You have another PC that will support the same connections (PCI-E, PCI, AGP, etc) as the video card you have. 2.) The display still works to where you can run some software that will test the card for problems.

According to HP's website, I looked up your PC, you may have a graphics card installed in the PCI-Express X16 slot. If so, and your motherboard still has the Intel graphics built in, you can remove your video card.

You stated that your motherboard has another video port and you tried using it but no go. This is because HP has stated that if you have a card installed as well as on-board graphics (this means there are two video ports on the back of PC not including HDMI) then they can not work at the same time. So, try removing the graphics card installed in the expansion slot and use the one attached or built on to the motherboard.

Still, if all else fails and that does not work, graphics cards can be replaced with your type from $80-$400 dollars. Just depends if you want a mfr. replacement or boosted performance!

If you do get the built-in graphics to work, then your know it was your video card most likely. They are known to go out quite easily in some cases. PCs and PC components are rated to last a certain amount of hours before that fail, sometimes you surpass this time greatly and sometimes they fail short of this. It happens, I have gone through at least 3 graphics cards in the past 4 years because I am cosntantly puching them to max hahaha!!!

Hope that helps and happy computing. Let me know if you have any further questions.
Comments:

Oct 15, 2009

- I believe this link has the motherboard you have.
Take a look at the pictures and if it is, scroll down to the BIOS clearing section and try that to see if that will enable your on-board graphics.

If you do believe that is may be your power supply, then pay special attention to fans and see if you can tell if your Hard Drives begin to spin. If they do and dont stop, then there may be something wrong with the mobo. Its hard to say what it might be. If you have more than 2GB of ram installed, try swapping them or removing one at a time. If it was you HDD drives you would still get some readout from the monitor, so I would eliminate HDD issues.

More than welcome to let me know what you find and I can give you more feedback

Hope that offers some insight!
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