My PC will not detect my MSI R7870 Twin Frozr 2GD5/OC graphics card!

Can somebody help me?
I recently bought a new graphics card, and it isnt detected by my PC and im quite positive that my card is inserted correctly.
When i plug in the DVI chord into the card my moniter doesnt show anything.

I run windows 7 64 bit, have a gigabyte h77m-d3h motherboard and use a thermaltake 600w psu.
somebody please help me!

EDIT: I am very new to this stuff, i dont know all the computer language, please be patient with me!
3 answers Last reply
More about detect r7870 twin frozr 2gd5 graphics card
  1. Delete old drivers and install new ones.

    Make sure the GPU is in the right slot.

    Make sure the GOU is properly installed in the right slot.

    Last step - Don't buy AMD (Just kidding) :D
  2. Did you plug the pci-e power connector(s) into the video card.
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