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Diamond AMD RADEON HD 7770 Ghz ed. won't display on monitor

So I recently installed the 7770 Ghz Edition into my old Studio XPS and it seems to work fine and all, it loads games properly, just the problem is the video card visual inputs (DVI, HDMI) don't work. My motherboard card works, but the games are very laggy and have a bad fps (5-15 on BF3 on all lowest setings). They don't display anything at all, my monitor just says "no signal." It's brand new too, so I don't know what is happening.
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  1. Is the PSU connected to the card?
    Is the BIOS set to use PCI-E as the primary graphics device.
  2. smeezekitty said:
    Is the PSU connected to the card?
    Is the BIOS set to use PCI-E as the primary graphics device.

    Yes, the BIOS is set. And no, it's not connected to the PSU, but it is too the PCI-E. And since I'm new with computers, I assume you mean a little power cord attached to the Vcard and to the Power supply but it turns out it's the motherboard playing the games, not the graphics card. All the graphics card is doing really is spinning itsf an
  3. Best answer
    You need to attach the PSU to the 7770 or it will not work.
  4. smeezekitty said:
    You need to attach the PSU to the 7770 or it will not work.


    So that yellow and black cord plugs into the power box that inside my laptop?
  5. Uh wait? Laptop?

    How did you install a desktop graphics card into a laptop?
  6. smeezekitty said:
    Uh wait? Laptop?

    How did you install a desktop graphics card into a laptop?


    Whoops, meant desktop.
  7. Yes you need it plugged in.
    Hopefully you have one of these on your PSU: https://encrypted-tbn1.gstatic.com/images?q=tbn:ANd9GcQYmEk8GNTTpcFUq4zgeOL3r8iF0wtQS2xaWAIQiLj3-ZzlSFVKaw

    And you plug it into a port on the GPU that looks kind of like this one: http://xsreviews.co.uk/modules/FCKeditor/Upload/Image/MSI%208800GTS320/MSI8800GTS320mb6Pin.jpg
  8. Thanks for the best answer. I assume this means it works now, correct?
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