New computer help :(

W

WAR2K

Weaksauce
Joined
Mar 9, 2011
Messages
85
Hello!

I had recently built a new computer and have been having nothing put trouble getting the thing to work correctly.

Specs:
PSU: Corsair AX850
Motherboard: ASUS P8Z68-V PRO GEN3
Processor: I7-2600k
Video Card: NVIDIA GeForce GTX 460 (768mb version)
RAM: 16gb DDR3 corsair (CML8GX3M2A1600C9)
Storage: Western Digital VelociRaptor WD1500HLFS 150GB
Western Digital Caviar Blue WD5000AAKS 500GB
Other: Creative Sound Blaster X-Fi Titanium Fatal1ty

What happens is while my computer is under load it will eventually just completely shut itself off. It has happened anywhere from 5 minutes to about 30 minutes. I can browse the internet, watch videos, anything else that doesn't stress out the computer too much without it ever shutting off. As soon as I fire up a game or any stress tests it will eventually shutdown though.

I first thought it was a problem with my PSU, so I changed it out with another one that I had from a build a long time ago and ran the IntelBurn Test and it still shut itself off. I even brought it back to stock and did the same thing, and it still died on me.

I then did the windows memory diagnostic, and ran memtes86+ for quite a while, both of which found no problems.

During all this I made sure to check temperatures and everything I am pretty sure is in spec. My CPU on IntelBurnTest reached high 70's and stressing the GPU I reached about mid 60's.

When the computer shuts off I would check to see if there were any messages. Since there is no blue screen there is no minidumps or anything to read. I would then check the event viewer, maybe there would be something in there! But there never was, the only recent event would be it saying my computer shutoff for an unknown reason, but nothing for quite a while before that.

Any ideas? Could it just be a bad motherboard causing my problems?
 
The temps is the first thing that threw my red light. You are talking about 60s and 70s f and not c right?
with no blue screen or errors displaying and the system just shutting down is usually temperature related
 
TekMaster said:
The temps is the first thing that threw my red light. You are talking about 60s and 70s f and not c right?
with no blue screen or errors displaying and the system just shutting down is usually temperature related
Click to expand...

it's Celsius. When running just a game it is much lower, around the 45-50°C mark. Which it still seems to have problems and shut down.
 
TekMaster said:
The temps is the first thing that threw my red light. You are talking about 60s and 70s f and not c right?
with no blue screen or errors displaying and the system just shutting down is usually temperature related
Click to expand...

His chip wouldn't shutdown at 70c though.

Do you have any overclock?
 
I have had issues with memory with my Z68 board. It seems it wants more memory voltage when populating all 4 sticks. Im wondering if the memory controller voltage is dropping when CPU is under load. Although it has different voltage, perhaps its getting low. In auto my mobo wants to give my 4x4GB sticks 1.75 Volts to stay stable. Which i dont like. Gonna drop down to 8GB or get 2x8GB sticks.

And my ram has passed hours of memtest86+

Try going down to 2x4GB and running IBT. Also what mem volts are you running?

I have noticed guys say with 4 sticks if still having issues at 1.65V, loosen your timings. I tried dropping to 10-10-10-27 but still having issues when OCed. Stock it runs fine with 1.65V. Not as happy with the rated 1.5V, unless I go down to 2 sticks.
 
I went down to just 2x4gb and it still shut down :/ I manually set it at 1.50 for both the 4 sticks, and the two sticks.
 
So I took out the Graphics Card to test stability w/o it and went to use my integrated graphics and it is having a lot of problems. It appears like it is from a dying video card, has those green vertical lines and color problems, even when it is posting.

Am I just dumb and setting this stuff up incorrectly? :(

 
Could be the CPU considering that the CPU holds the GPU now. But it could be the motherboard as well. I'd say flip a coin to see which part gets returned/RMA'd.
 
*update*!

So it seems to actually be the motherboard that was the problem. The only problem now is ASUS is being a huge pain in getting it taken care of :/
 
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