Alienware Aurora can't detect video card

Hi, I have Alienware Aurora with this spec :

Processors :Overclocked Intel® Core™ i7 930 Quad Core Processor (3.36GHz, 8MB Cache)
Memory : 9GB DDR3 SDRAM at 1333MHz - (3x 1024MB + 3x 2048MB)
Video Cards : 2GB GDDR5 ATI Radeon™ HD 5970
Hard Drives : 1TB - SATA-II, 3Gb/s, 7,200RPM, 32MB Cache HDD
Operating Systems :Genuine Windows® 7 Home Premium, 64bit, English

The problem is that the computer won't load, I get 6 bits in a loop when I press the power buttons and the computer can't detect the monitor. The bits code chart say that the problem is my video card but I have tried to boots the pc with a other video card in the 2 pci slot and I still get the 6 bits in a loop. I also tried to remove the cmos battery and tried almost every combinaison of ram .

I think the problem is the motherboard or the power supply but I would like some input before changing anything.

Thank you
2 answers Last reply
More about alienware aurora detect video card
  1. Did you try removing the HD5970 when checking with the other card?
  2. yea when i tried the other video card my 5970 what not in !

    i really dont know what to do to know what part of my computer is broken to get a new one !

    sad week i had lol
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