Can I upgrade to an 8800GS?I have heard conflicting things about upgrading the graphics card in my iMac. Some say that an 8800GS from Apple will work, b...
Answer to: Any ides why it won't startMy bet would be the CPU. The machine may not support the 4970K. If you can, find a CPU that originally came with the logic board and try that. If it doesn't work, then you might have a bad logic board.