How do I know my GPU is working properly?

I've been having some troubles recently with my Radeon 7870 Myst. It doesn't show up in the device manager (windows 8) and the DirectX diagnostic tool is not detecting it either. The fans are spinning and the display is fine excluding the resolution. I'm using a MSI motherboard and I can't find the GPU information in BIOS 2. Is there any way I can test to see if my GPU is working properly (this is a new build)?
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  1. Go to AMD's website and see if you can install the divers for the card
  2. usbgtx550 said:
    Go to AMD's website and see if you can install the divers for the card


    When I try to install the drivers from CCC, my computer acts really wacky. I can't tab into anything on my tray and the clock is missing. My screen goes semi-black if I try to restart or turn it off.
  3. Hmm, that is rather wacky. Do you have the option of throwing in another video card and see if it works?
  4. usbgtx550 said:
    Hmm, that is rather wacky. Do you have the option of throwing in another video card and see if it works?


    No, I do not.
  5. download amd drivers from any other source and then try to install them in your pc
  6. It sounds like your graphics card isn't connected to power or there is a hardware problem with it or your PSU. Make sure the two connectors near the front of the card on the side facing away from the motherboard are both connected to power and that the connectors are properly seated and that the latch clicks. Your model of power supply has two 6-pin (+2-pin breakaway) connectors to power pci-e devices.

    Fans spinning doesn't guarantee that power on completed successfully.
  7. harshbhati15987gmailcom said:
    download amd drivers from any other source and then try to install them in your pc


    What driver should I install? I don't want to go through another factory reset.
  8. James Seely said:
    It sounds like your graphics card isn't connected to power or there is a hardware problem with it or your PSU. Make sure the two connectors near the front of the card on the side facing away from the motherboard are both connected to power and that the connectors are properly seated and that the latch clicks. Your model of power supply has two 6-pin (+2-pin breakaway) connectors to power pci-e devices.

    Fans spinning doesn't guarantee that power on completed successfully.


    I'm sure that the power is properly installed. I connected two PCI-E 6+2 pins in the power sockets.
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