EVGA x58 and P55: Reboot Before Booting

Eluros

Member
Jul 7, 2008
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Greetings,

I recently built my wife a PC, and used an EVGA P55 motherboard for it. My motherboard-- an EVGA x58 SLI-- had recently died (of unknown causes), and its replacement had just arrived. Windows 7 installed just fine on her computer, and my PC recognized the new motherboard and booted into the OS without a hitch. However, both computers are having an odd problem:

Every time we press the "Power" button on either computer, the fans rev up and the lights turn on, but no signal heads to the monitor and the hard drives/GPU don't make any noise. Within 10 seconds, they actually turns themselves off (all lights go out), turn themselves back on, and it POSTS/boots like normal.

I had initially assumed it was a BIOS issue, but it affects both the x58 and th P55. The hardware in both is completely different-- the x58 has a Corsair TX750 PSU and an Antec 902 case, for example, while the P55 has an Antec 6xx (can't recall specific voltage) and some Coolermaster case. The problem appears exactly the same on both towers, however.

Any ideas? Should I try flashing the BIOS on both machines and see what happens? I appreciate your feedback; thanks!

Here is my PC:
GPU: EVGA GTX 460 1GB SLI
RAM: 6GB DDR3 Corsair XMS3
GPU: EVGA x58 SLI
CPU: Intel Core i7 920
PSU: Corsair 750TX
Case: Antec 902
 

hennessy1

Golden Member
Mar 18, 2007
1,901
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Can be caused if you have hardware virtualization enabled as it causes a "double pump" some consider it a bug but there is really no issue with it. Also with these boards with a complete loss of power they will do the same thing with no ill effect.
 

Elganja

Platinum Member
May 21, 2007
2,143
24
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I find the same happens to my computer when I completely remove the power source... meaning unplugging it from the wall or switching it off on the psu
 
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Bartman39

Elite Member | For Sale/Trade
Jul 4, 2000
8,867
51
91
My EVGA X58 SLI does the same thing and when I change certain things in the bios mainly when changing either FSB or memory settings... It will just plain shut off for a few seconds then boot...

I thought it might be something to do with the overclocking failure boot setting...? Just a fail safe part of the bios...?
 

coffeejunkee

Golden Member
Jul 31, 2010
1,153
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I've had Asus mobo's that showed the same behaviour. Mainly after being disconnected from the power source. I think it's normal and not something to worry about, kind of like a test run before really booting up.
EVGA themselves could probably tell you more about it. Or use Windows sleep mode if it bothers you too much.