failing furmark stability test

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I bought a whole new system just last week, and had my first experience of a little light gaming on it this morning, after 2-3 minutes the screen locked up with coloured artefacts all over the screen causing me to hard reboot.
I then tried ATITool and Furmark, failed both.
I'm here thinking i have a gpu problem? though the guy at OcUK tech support says it could be my RAM.
Doing memtest86+ now, and after 1 whole test things looked fine, though now on the second bout, I have 2 errors so far (at 60% atm)
Does this mean the artefacts are caused by my ram and not my gpu?
I RMA'd my psu yesterday because that was faulty.. surely this cant be happening to me. especially down to my track record with apple equipment (5 macbook pro's and 3 imacs within a month)

thanks,
Jimmy
 
took 1 of the 6gb kits out. still get the artefacts. tried the other 6gb kit. and its still the same. the ram having errors.. and trying both kits.. does this mean the gpu and ram both have to be rma'd?
 
i'll test them as their respective kits, i have 12gig installed atm.
Not sure about tri channel ram motherboards, but can you put just one 2 GB memory module in a dimm slot and it will boot up fine?, what does your motherboard manual say with regards to just one ram module?. Did you test each 2 gb ram module one by one? (i presume they are 2 gb?). Unusual that all ram modules are faulty?.
 
OcUk told me to test them as kits, and as kits of 6gb each, both are faulty. Though I'm not overly tech savvy, could a motherboard fault be showing up in memtest as faulty ram? aside to that I have no idea if my graphics card is faulty or not, its pathetic how all of this can happen to one person. Before this PC I had 3 imacs, all with minor defects, aswell as 5 macbook pro's
 
What memory are you using, I had problems with the OCZ Gold last year were the 2nd set would fail stability testing but pass mem test.

You will be fine running each sticks individually in the correct slot.

Also what gpu are you using, if your getting artefacts then I personally think the gpu is probslematic.
 
Test your sticks one by one. Forget the kit stuff for now.

What you want to do is eliminate the graphics card issue, for your own peace of mind. So find one working stick and pop that lad in the socket and run furmark again.

Peace of mind is worth it mate.
 
What memory are you using, I had problems with the OCZ Gold last year were the 2nd set would fail stability testing but pass mem test.

You will be fine running each sticks individually in the correct slot.

Also what gpu are you using, if your getting artefacts then I personally think the gpu is probslematic.

I'm using http://www.overclockers.co.uk/showproduct.php?prodid=MY-205-CS
and graphics is http://www.overclockers.co.uk/showproduct.php?prodid=GX-104-MS&groupid=701&catid=56&subcat=1810

heat isnt the issue for the artefacting load temps of the gpu peak at around 70c
 
there is a noticable clicking noise coming from something as the system hits load aswell. cant be the cpu fan, as its set to a constant speed, possibly the psu fan, or motherboard its self if thats possible?
 
Not future mark, memtest.

If a stick fails in one slot move it to another. Work your way through all the sticks and over all the slots. If all stick and slots fail then it's not the ram, although ending up with a pile or ram that works and one that doesn't is more common.

You shouldn't be trying future mark until you know what ram is working and what isn't.
 
Not future mark, memtest.

If a stick fails in one slot move it to another. Work your way through all the sticks and over all the slots. If all stick and slots fail then it's not the ram, although ending up with a pile or ram that works and one that doesn't is more common.

You shouldn't be trying future mark until you know what ram is working and what isn't.

well i tried them first as kits 3 sticks each (6gb) and both kits failed the test? doesnt this mean atleast one stick of each kit is bad?
 
I note that you said that you brought a whole new system and i assume that said system was tested before being dispatched but......

... a very far left check to do in your BIOS and it's just to check that your DRAM voltage is set to 1.64 - 1.66 volts depending on your motherboard?

I had a set of DDR2 the other week that failed Memtest, after replacing with upgraded modules, at there rated settings and realised after a lot of head scratching that I had not altered the voltage. It was only .1 of a volt difference from the previous modules that I had in the system but they would not have it at all!!! bumped the voltage up to makers recommended and bingo!
 
Sorry I was not very clear. Test each individual stick or ram using memtest86, find one stick of ram that will complete at least three passes of memtest86.

Use that single stick (that passed memtest86) to boot up your PC.

Now with one stick in your system run furmark and see if your GPU still crashes.

The sounds you are hearing are a concern. Try and locate where it is coming from.
 
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