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Started by fifty_seven | | 1 answers
Sound card shorting power?
So I have a problem with my comp and I think it's the sound card (Asus xonar ds 7.1) or motherboard.

I've got a comp which is a few years old now and to give some background it had problems after the first six months and then went through a year and a half of on and off repairs from the vendor (working for like 3 months then failing etc etc). At the end of last year, I decided to fix it myself (changed a hard drive, re-installed windows) and managed to get it working fine for until I got a blue screen a few months ago.

It powered up fine and I was trying to work out what had caused it when a week or so later it blue screened again and since then when I try to power it up I get no visual output at all. Fans were working but to me, it looked liked the graphics card was not outputting anything. Switched dvi to hdmi and then switched pci-e slot (removing the sound card from pci) and worked fine. I discovered the sound card drivers had caused the blue screens (from dump files). The computer appears to work fine now with the graphics card in either pci-e slot as long as the sound card is out.

Since then I’ve discovered that putting in the sound card to the pci slot cuts the power and crashes the computer. Fans will run but looks like the graphics card, sound card and hard drives lose power. No issues that I can see leaving the sound card out. From the device manager there are no xonar sound card drivers installed.

I don’t think this is a power issue as it runs fine without the sound card and the 850W corsair is more than enough for this setup, but what I’m trying to work out is if it’s the sound card or motherboard. It looks like the card is faulty and causing a short or the motherboard has failed (to me).

Any advice or thoughts on the problems? My next step would probably to get another soundcard to test the pci slot and then look at changing the motherboard. Unfortunately I’m beyond the warranty I believe on the parts.

Spec:
NVIDIA GeForce GTX 580 - 1536 MB - (EVGA) (PCI-E)
Asus Xonar DS 7.1 (PCI)
Intel Core i7 2600K (4 x 3.4 GHz) 8MB
Corsair Cooling A50
850W Corsair HX Series, Modular, 80 PLUS Silver
Corsair Vengeance 8GB XMS3 PC3-12800 1600MHz (2x4GB))
Asus Sabertooth (Intel P67) - B3
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October 13, 2014 2:36:56 AM

No worries - by chance managed to solve this. Found something had switched in the bios.

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