Can my PSU handle the load?

Slate_ · Aug 12, 2014

Hi,

I am experiencing issues gaming with sections of the screen turning grey with multi-coloured stripes.

Some research suggested my PSU may be the issue as I have already rolled back my drivers for my graphics card and the problem persists. My question is whether the PSU is under too much load and is failing, causing my issues?

My specifications are:

Intel Core i7 Quad Core Processor i7-3820 (3.6GHz)
ASUS P9X79 PRO: INTEL SOCKET LG2011
16GB KINGSTON HYPERX GENESIS QUAD-DDR3 2133MHz X.M.P(4 x 4GB KIT)
Sapphire AMD Radeon HD 7950 Graphics Card
120GB INTEL 520 SERIES SSD, SATA 6 Gb/s
1TB VELOCIRAPTOR WD5000HHTZ, SATA 6-Gb/s, 64MB CACHE
SPIRE GEMINI REV.3-THERMAX HDT TWIN FAN CPU COOLER
24x DUAL LAYER DVD WRITER
Some 120mm Fans

PSU:

Corsair VS650

My Thanks In Advance!

Alex Kelly · Aug 12, 2014

That's a very low quality PSU and I recommend getting a new one ASAP, but it shouldn't be causing these issues. It sounds more like a GPU artifacting issue. How long have you had this PC, and has it always done this?

toyftw · Aug 12, 2014

Slate_ :

Hi - The PSU might be failing, but not from too much load. It has more than enough power for that rig.
That rig could run on a good quality, modern design 500w PSU.

It might be failing tho, try to eliminate other potential causes, such as bad RAM(rum memtest x86),
GPU failing,
etc. If you have access to another PC, you can try the PSU & GPU in it.

junkeymonkey · Aug 12, 2014

psu seems to be a channelwell so it should be a decent build and 650 should hold that card ,but with out a back up card to try its hard to say ... you should try to run gpu-z and let it log and then read it to see if any issues show up on it
you may have to check what gpu-z gives the voltage readings on your card some do and some do not .. sounds more like a failing card or a overheat issue

Alex Kelly · Aug 12, 2014

It's certainly not a decent PSU. Very low quality, but more than enough wattage.
Could you try another card, OP?

junkeymonkey · Aug 12, 2014

I did find these comments on them vs units so......

Corsair VS is really cheap, minimal PSU builds. So cheap they don't even bother selling them in a lot of regions

the VS even worse and cheaper then the CX so dont touch it with a bargepole

Slate_ · Aug 12, 2014

Thanks for the quick response.

I recently got the PC back from PCSpecialist who repaired a damaged-in-transit PCI-E slot (the one I am using due to lack of space to use the alternative slot) and they fitted the PSU which is probably what failed in the first place and why I sent it in to them and waited ~ 6 weeks for them to fix.
The graphics card is brand new, replacing the one they burnt out during their testing, fitted by myself.
I will try memtest x86 and gpu-z poste haste but don't have an alternate PC to check the components with.

junkeymonkey · Aug 12, 2014

now its sounding like one of them better quit wile your ahead things that guys repair job at 100% or is it one of those maybe it will work deals ??? and if he got it wrong is it looking to short and burn up the rest of the build in some way??

Alex Kelly · Aug 12, 2014

They killed your old GPU???? Did they pay for the damage they did??
It could be that your PCI-E slot isn't properly fixed. :S

Slate_ · Aug 13, 2014

Hi again,
Sorry I had to go to work and couldn't access this computer.

Yeah memtest x86 came up 100% ok overnight.
Attached are the screens from cpu-z at pretty much idle since to be frank I have no idea what i am looking at at this juncture.

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I hope they repaired, or had repaired by Asus, the PCI-E correctly.

And yeah they ran the computer through a stress test (I think they run it with fans off in a hot room) and the old GPU "cracked". Which is what you would expect on a 2.5 year old pc but they ran the test anyway and offered no damages when they informed me. Suffice it to say I will not be buying from them again, especially since you tell me they do things like install the absolute minimum quality PSU.

Thanks again

junkeymonkey · Aug 13, 2014

with that now run the render test set the sensors to record highest point so we can compare the gpu under a full load to the idle one you just posted

Slate_ · Aug 13, 2014

Hi,

I ran Furmark Render Test and set the cpu-z to display max values, here are the results.

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Cheers

Alex Kelly · Aug 13, 2014

Those temps are fine, I feel really bad for you about this horrible computer store, you should ask they refund the PSU.
It sounds like you got a DOA GPU, as it sounds like artifacting, although it could also be the PCI-E slot.
Is there another PCI-E slot on your motherboard you could try?

junkeymonkey · Aug 13, 2014

vddc on my 7850 at full load is 1.138 but I don't get the 2 other values to compare .. so it seems to be ok? I would of thought it would be closer or more on a 7900 card over this 7800 card??

if you click the ? next to the pci-e info of gpu-z it will run a built in render test

Slate_ · Aug 13, 2014

I tried the other PCI-E slot but its too close to the PSU and my motherboard temp goes crazy when i load the system so I had to move it back. Will the GPU failing take out the whole PC when it goes or can I just let it do its thing and replace it when its gone? I mean if the i7 onboard graphics dont kick in I will know its the motherboard and that the system is gonna need to be replaced when Broadwell comes out?

junkeymonkey · Aug 13, 2014

this I feel hurts you the most ''got the PC back from PCSpecialist who repaired a damaged-in-transit PCI-E slot (the one I am using due to lack of space to use the alternative slot)

with that right off the bat we don't know just how deep that damage went and the after affects of it .. a damaged board is a damaged board .. its not a first quality item to work with anymore . that's to start , then now we got that psu deal on top of that I did not find anything on it but like what I posted above . its hard to put faith in a cheap budget who knows what build quality of it .. then now did those two things cause the card to fail in some way ??

buy the time you replace the psu and may find that's not it then the card to find that's not it now the board you will have a near new build anyway

tough call guy and I hate to say glad its not me dealing with it

Slate_ · Aug 13, 2014

Yeah its a bit of a pickle, but would "Corsair CX750 Builder Series CX 750W" be ok? If its the motherboard at fault I can save that PSU for my next comp so turning it into an investment.
I think I will build my own next computer so I know what I am getting. The high rating of the PSU should mean I could fit pretty much whatever on the replacement PC it looks like I may have to get come Broadwell.
Is my logic sound or am I just fanning the flames?

Alex Kelly · Aug 13, 2014

That's another meh quality PSU, I'd go with an EVGA Supernova B2 750W.
Could you go to a different computer store and have them test both the motherboard with another GPU, and the GPU with a different motherboard?

junkeymonkey · Aug 13, 2014

http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story5&reid=380

sites like this give build quality review like this one got all Japanese capacitors from Nippon Chemi-Con this is what you look for not end up with another one like you got or like this one

http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story&reid=379

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