Question about Nvidia GeForce 8800 GT 512MB Graphic Card

1 Answer

My GForce 8800 Randomly stopped working!

Well i installed my graphics card several months ago and have been enjoying the card on all the new games i bought. However today, out of the blue when i turned it on i got a black screen, the computer was on. I restarted and still the black screen. So i plugged into my old motherboard Card.. oldschool GF6100, and that worked. Now i went into Control Panel and was looking for where my Card was. And i cant find it on the menu. Its as if it has disappeared. Nothing has changed internally that i know of.. The card is still getting power the fan is even on. Is my 8800 dead or what? How would i find out? HELP!!

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  • 5 more comments 
  • brettlorenze Feb 03, 2009

    Well it is, the card needs 350, and my power supply is 300.. I thought this would be an issue when i bought the card but it has been working fine for so long.. Would that explain why my system cant even detect the card?


  • brettlorenze Feb 03, 2009

    It is NOT in the device manager, and i just took it out and restarted and put it back in still no dice, I don't get it. What would cause my card to overnight stop working and remove its existence from my Files?

  • brettlorenze Feb 03, 2009

    Do you think you could tell me how to do that, im not really sure how to interpret what i see in the BIOS menus.

  • Peter Steiert
    Peter Steiert May 11, 2010

    Well, I can't take screenshots of that. :-p

    Anyways, on my old system (Which I managed to nuke :-[ ) the BIOS would allow me to select the primary graphics output port type. The options were PCI and AGP. In your case you would have an option between PCI, possibly AGP, possibly PCIe x1, and PCIe x16. Since your video card fits into a PCIe x16 slot, you would select that option. Afterward exit the BIOS saving changes.


  • Peter Steiert
    Peter Steiert May 11, 2010

    Did you take gymowner's suggestion and check the system BIOS to ensure that PCIe x16 is listed as the primary graphics device?

  • Peter Steiert
    Peter Steiert May 11, 2010

    It could be the problem as your video card might not be receiving a sufficient amount of power to pump out the graphics. However you might try what gymowner mentioned.

    If what gymowner mentioned doesn't work, you can always try an inexpensive PSU switch. Buy yourself a PSU rated at 350W or above then stick it in your system. See if your video card works with that PSU. If it does work, keep the PSU. If not you will have to decide to either buy a new video card or just use onboard video.

    In the case that you decide to use onboard video you can refund the PSU and tell them the PSU won't work for your system.


  • Peter Steiert
    Peter Steiert May 11, 2010

    Is it possible that your PSU is rated at a lower maximum wattage than is required by your 8800?

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  • Master
  • 679 Answers

Is it in the device manager?
if not it isn't being recognised, jut restart with the card out, shut down and restart after you put it back in. Did you overclock the card? if so clock it down to where it was. In the bios make sure it's recognized and selected, it may haver defaulted to pcie or agp, I'm assuming it's PCIE, like mine so go in and see if it's running in the right mode. Also make sure the fan is running or it will burn it out. You need to go into the system and then device mgr, then hardware, only reason I tell you is we don't know who we are dealing with, you could be and advanced user or a new one. If you need more help take a chat ask for gymowner I run an SLI gaming rig, so I know prety much what you need, peace

Posted on Feb 03, 2009

  • 2 more comments 
  • George Bill
    George Bill Feb 04, 2009

    Ok i need you to either o a chat with me or we can try it this way, I must tell you that we are going to get people jumping in to get credit for helping you, this is the problem with not being to isolste the discussion. Hold on and I will attempt to explain what to do

  • George Bill
    George Bill Feb 04, 2009

    The bios page that has your video card on, and wee if it is properlly displayed, If you give me the MB model I can look it up. Let's assume that it is a PCIE card. You should see a selection like AGP, PCIEx2, your board may have an option to run sli, meaning 2 cards at once , like I have. If you enable the wrong setting "there are 2" One is for running 1 card and on is for running 2 cards. Try the 2 different settings if you aren't sure which one it was, ir won't harm the board, and make sure that AGP is not enabled it may or may not be in there. I need to know what was going on when it stopped, were you playing a game, was it on for a long period of time, stuff like that. The lack of power may have caused the card to shut down after it was on for a long period of time. The voltage may have dropped below the acceptable threshold. Even though it worked before, is there anything at all different, think, maybe there is something else running on that same outlet and you are not able to pull the full power requirement, just a couple volts. Or did you add something else like a web cam, or add more ram, here is my email, because I will end up losing you in the thousants of posts in here. If you email me at least I can maybe get you on messenger so I can speak to you in real time, I know how frustrating this can be. This is a bobus email I use for sites that spam but it will come to me Georgeburns723@hotmail.com, meanwhile take your time and try the bios settings first, and disconnect any peripherals, like printers or anyusb stuff that sucks up power.

  • George Bill
    George Bill Feb 04, 2009

    the thing is I am not able to see what u see, or tell u what to do like this, it would need to be a live chat.

  • George Bill
    George Bill Feb 04, 2009

    try to re install it with the add hardware application in your control panel, I can't see what you see, so it just makes it harder to fix

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