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Boot issue when running GTX 670 SLI

Last response: in Graphics & Displays
October 15, 2012 11:23:32 PM

Hi Guys

I am having boot issues when I install my 2nd GTX 670 to run SLI.
The system boots fine with a single card installed but when I put in the 2nd it is having trouble booting.

It has the bios display screen, then it goes black with a flashing white underscore and never starts to boot windows.
I have tried resetting the CMOS but still no luck, and I have the newest bios version for my motherboard.

My system specs are as follows:

Motherboard: Asrock Z68 Extreme7 Gen3
CPU: Intel i7 2600k
Graphics: 2x Gigabyte GTX 670
Ram: Corsair Vengeance CMZ8GX3M2A1600C8R 16GB (4x4GB) DDR3
PSU: Corsair AX1200
Boot HD: Crucial M4 128gb
Storage HD: WD 2TB Caviar Black

Any help would be appreciated.

a b U Graphics card
October 16, 2012 12:29:51 AM

It does the same regardless of which card is in?