Stuck at BIOS after 2nd graphics card installed

December 25, 2013 at 06:27:49
Specs: Windows 7, i7 3770k/G.Skill 8gbx2
After installing my second GTX 660ti on my ECS Z77h2-ax mobo, booting only leads to the ECS logo and 3 short beeps with a few seconds of space inbetween each(unlike RAM beeps). While stuck in BIOS, I can't open any menus or boot options. This all started happening immediately after I installed the gpu. In case it matters, the graphics card occupies the 2nd pcix16 slot on the board.

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#1
December 25, 2013 at 07:10:31
Are you saying you're attempting to run two GTX 660 Ti's in SLi? If so, you should have stated that more clearly. Make sure your power supply is capable of handling the two cards. I believe each card requires two 6-pin PCIe plugs so the minimum requirement is 650W (more would be better). And it should be a decent quaility name brand unit, not a no-name generic cheapie. Do you have a bridge between the cards?

The Z77H2-AX uses an AMI BIOS, 3 short beeps generally means a RAM issue. From page 79 of the manual: "if 3 short beeps, DIMM memory not properly inserted or memory failure".

http://download.ecs.com.tw/dlfileec...


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#2
December 25, 2013 at 07:55:30
Thanks for the response. Yes I'm attempting SLI, and I've connected the two cards with a bridge that came with the mobo. I've got a Rosewill Lightning 800w 80+ Gold, so I'm sure power is no issue. The short beeps are spaced out by at least 10-15 seconds per beep, but I'll reseat the memory cards anyway.

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#3
December 25, 2013 at 11:36:50
Ok, so I've run a few tests, and the problem has become evident. I've removed my old GTX 660ti, and the new card alone in the first PCI-e slot has the same error. The old card alone still functions, so the new card must be the source of the problem. The 3 spaced out beeps signal a PCI issue, and this must be the problem. I'm trying everything I can before I declare the card dead. I've updated drivers and tried running it: no change. I've tried running the card alone: no success. The three fans on the card are running, and the display is evidently working even with the new card alone in the system. Considering the card is displaying the bios screen at all and on the right monitor(out of 2 monitors, it chose the one I previously specified as my main monitor), I'm thinking the card is functional but I'm missing something. Help is indeed required!

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