BSOD power supply hell

[jonathancscz]

Hello anyone reading this, basically my dad got a new graphics card so i took his old 280x and put it into my pc to do crossfire with my 280x and all went swimmingly while both graphics cards were in the computer. However once I removed the GPU so he could sell it , as I was only testing it to see what sort of performance I could get, the PC began blue screening or if I did managed to get into a game I would get artifacting my GPU never goes above 58 degrees Celsius so it isn't that. I have a 900w xenta psu (http://www.ebay.co.uk/itm/NEW-XENTA-900W-SILENT-22A-DUAL-RAIL-POWER-SUPPLY-UNIT-PCIE-SATA-MOLEX-ATX-PC-PSU-/262227897490 _trkparms=aid%3D555012%26algo%3DPW.MBE%26ao%3D1%26asc%3D20140221143856%26meid%3D2e41fac467c2464bac78bea73fd2f79b%26pid%3D100012%26rk%3D5%26rkt%3D11%26sd%3D141772045576&_trksid=p2047675.l2557&nma=true&si=ZIMC0DvlbqlCF8yz27wjktrQDBk%253D&orig_cvip=true&rt=nc) this is the best info I could find about it. I believe it is the power supply but if anyone else has any ideas or stuff to try I would be more than willing to do it. Thanks in advance. Jonny.

[don_svetlio]

Cheap-ass PSU. Likely got overloaded. Replace

[jonathancscz]

I have a corsair 600w in my downstairs pc I will try that and see what happens.I thought with a PSU though it would just die outright?

[0x1e]

I have a corsair 600w in my downstairs pc I will try that and see what happens.I thought with a PSU though it would just die outright?

No, PSU's normally die slowly.

[jonathancscz]

Oh right okay, thanks I never knew that, I am thinking I should just take it out now as I just got an ASUS anti surge protection thing saying it protected me when I booted up my computer I don't wanna risk it getting damaged. Cheers guys for the help  

[jonathancscz]

In terms of getting a new one I literally know nothing about PSU's and how the rails and stuff work is this one okay? http://www.ebuyer.com/726368-corsair-vs-series-650-watt-power-supply-cp-9020098-uk

[Naeaes]

Wow! I've seen some cheap-o PSUs but that's ridiculous. That's just stupid! If those specs are right, it's not enough for a single 280X and it's marketed as 900W?! Sounds borderline-illegal to me.

 

Here's my reasoning: It's supposed to be dual-rail 22A each but the max combined is 33A (where did that 11A go?) But OK, efficiency is efficiency, I get it. So 12Volts times 33 Amps is 396 Watts. Less than half of the supply's power is given to the two most (by a huge margin) power-hungry components. It doesn't say in the specs but if it really is 900W, it gives 504W for 3,3V and 5V rails. That's just stupid. Unless, you're running a hundred HDDs. But OK. Somebody might, right?

 

Here's the kicker: It only has a single 6-pin (is supposed to be rated at 150W) PCI-E power connector. And OP was running two R9-280Xs (250W each) out of it. That's a notable rats nest of Y-splitters and adapters right there. I'm amazed that the PSU didn't blow.

 

OP, Even if it wasn't your PSU causing the issues, change it. Do it yesterday, you crazy SOB. You're toying with your life.

[jonathancscz]

Haha Naeaes that last bit made me laugh. So basically the power supply is a heap of shit and shouldn't have even lasted as long as it did because I have had it for two years now! 

[jonathancscz]

So I got the power supply from downstairs it turned out to be coolermaster but is still 600w and has 47amps and 564w on the 12v rail. I tried this with my PC same issue so I tried the other 280x and the same again so I tried to wipe my PC and it crashed installing windows. So I went digging and found my old 460 and that works flawless is it because the 460 draws less power or should the coolermaster PSU be enough for a 280?