PC needs several forced reboots before booting from cold-boot

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Stetsix

Honorable
Dec 18, 2013
6
0
10,510
Hi! I thank anyone in advance for taking your time to help me and maybe others with this annoying promblem of mine. You see I got this problem when i turn my computer on from several hours off (not happening on regular restarts). The computer starts fine, with AO on asus MB, the short beep and all, but after the windows boot screen my three monitors are totally blank and I have to restart. This is repeated until i get a display after the windows boot screen. 50% of the several tries my top video card fans (the one with the monitors plugged in) start spinning up like alot. My keyboard and mouse lit up some of the time during boot and sometimes not. My video cards are both plugged inn to 16x pci-e (the first two from the top). In my bios the one is running at 16x plx and the other in 8x native or vice versa, not totally sure. I have changed the PSU since mine was kinda old (1000w) to a 1200w. Sometimes my OC display is still lit ut after shutdown, and my led lights form my front fans just flash at startup before going dark. They are still spinning tho. My system is yet to be OC'ed. The only OC i got is the fabric OC on my 780's.



My specs:
Gigabyte GeForce GTX 780 3GB PhysX CUDA (SLI)
Intel Core i7-4770K Processor haswell
Kingston HyperX 3K SSD 240GB 2.5"
Corsair Dominator GT DDR3 1866MHz 32GB
ASUS MAXIMUS VI EXTREME, Socket-1150
FSP Aurum 1200 Pro
Corsair H80i Hydro Series CPU cooler
Noctua NF-F12 PWM 120mm fan
3x benq 24" led
Logitech g105
Logitech g9x
Creative X-FI TITANIUM FATAL1TY champ
Windows 7 ultimate
Kinds regards
Frustrated gamer, professional 3d game artist and CG artist
 
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Stetsix

Honorable
Dec 18, 2013
6
0
10,510


Thanks for a fast answere! As the PSU are new and the same problem presists, ram is hopefully the problem then? I will run memtest and post back what happends.

 
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Stetsix

Honorable
Dec 18, 2013
6
0
10,510


The system is not overclocked but my Corsair Dominator GT DDR3 1866MHz 32GB is set to 1866mhz as it should
 
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Stetsix

Honorable
Dec 18, 2013
6
0
10,510


Hello again! I let the memtest run overnight with no errors what so ever. So it cannot be the ram or the psu :/

 
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Stetsix

Honorable
Dec 18, 2013
6
0
10,510


The PSU is less than 3 weeks old and i payed like $430 for it so that is obviously out of the question. I've tried bread boarding it and one stick of ram. But with only one GPU the pc starts fine now i see. So what can i do to use both my 780's?

BTW how do I update my GPU bios? never heard of this before. Both my GPU bios and MB bios are not updated from fabric

 
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Stetsix

Honorable
Dec 18, 2013
6
0
10,510


ok, i will make sure to do all the updates required! Ram is fine. one thing tho, good to mention, when the computer has been on for 12 hours or more, the audio always starts to "flicker" "sparks" and after restart audio is fine again for another 12 hours aprox.
 
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