EVGA GTX 970 SC ACX 2.0 Reset after playing for 10 min

Msi (motherboard) / Z97-g45
April 26, 2015 at 09:55:24
Specs: Windows 8.1, i7 4790k
Ok so after unplugging my PC from everything and switching the fans from using the power supply's connectors to the ones on the motherboard, i have been experiencing problems.
The first thing that i noticed is that after watching videos for about 4 hours the fans went 100%. Then when i go to turn it back on the PC, something turns on, but the none of the fans including the cpu and system fans turn on. So i turn it off change the fan connectors back. So i turn it back on and start watching videos again. Then i go play some CS:GO and about 10 minutes in of warming up for comp. on deathmatch my computer screens blacks out and then starts to go through the boot sequence. My OS (Windows 8 64-bit) restarts back up. This happens every time whenever i play CS:GO,GTA V or in the heaven benchmark.I tried Valley benchmark, didn't even start before it rebooted.
The time varies on when it does this. It's usually no more than 20 minutes. Note that I can play these games perfectly fine (GTA V around 50 fps) (CS:GO around 250 fps) usually and before these (reboots/restarts) happen. I have owned my computer and have had the same parts for about 4 months now. I think it may be something with the power supply but i'm not sure.
The reason i think it also may be the GPU is that i can run things like TF2 fine. Watching videos and other everyday things it is okay with still but i cant really play many games. I know it's not the CPU because i tested it on full load and it was fine. Please help me identify the problem.

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#1
April 26, 2015 at 11:08:28
We need the detailed system specs, makes & model numbers of everything, especially the power supply.

Have you checked the temp readings to make sure the CPU isn't overheating & shutting down to prevent a burn-out? As for the fans you mentioned, there's a huge tendency for overkill when all that's really necessary is one exhaust fan in the rear. It's just a small box...it's doesn't need numerous fans to refresh the air inside. Some case have 3, 4, 5, etc fans that are poorly arranged & end up fighting each other. Also, case fans should be connected to the board whenever possible & the BIOS settings should be manually configured. Another thing you should do is disable the auto-restart feature in Windows, that way an error message will be displayed & you should be able to troubleshoot the problem based on the message.


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#2
April 26, 2015 at 11:31:48
I checked the CPU and GPU temps and they were fine. How do you disable auto restart?
GPU:EVGA GTX 970 SC ACX 2.0
CPU: Intel i7 4790k 4.00 GHz
PSU: Corsair Builder 750W 80+ Bronze Certified (CP-9020015)(CX750)
RAM: 8gb G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory
VRAM: 4gb
OS: Windows 8 (64-bit)

message edited by WalaWalaWalrus


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#3
April 26, 2015 at 13:04:41
"How do you disable auto restart"

See first option here:
http://www.eightforums.com/tutorial...

Always pop back and let us know the outcome - thanks


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#4
April 28, 2015 at 12:20:34
OK it just suddenly started working again... no problems.

message edited by WalaWalaWalrus


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#5
April 28, 2015 at 20:19:10
"I checked the CPU and GPU temps and they were fine." Please post the temps from HWMonitor (all) both from idle and after gaming for 10 minutes to be sure.

Post motherboard model.

"CPU: Intel i7 4790k 4.00 GHz" the new Devil's Canyon CPU's work best when you update to the latest BIOS available for your motherboard, Yes, that includes the Z97 chipset motherboards since these were released after most of the motherboards were released.

Use the onboard fan ports BUT PLEASE list how many fans, where they are in the case, and how they are oriented (intake/exhaust) since the wrong configuration of fans can be worse than only a single exhaust fan. NEVER use side fans!!!

What heat sink (CPU) are you running and how did you apply thermal compound (too much or spreading it is worse than too little since it is hard to put too little). The actual temps will help confirm these issues.

The more information you supply, the easier it will be to hep you. We will explain the why's as well as pointing to the most likely causes to help you understand and to help make your machines work better for you.

You have to be a little bit crazy to keep you from going insane.


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#6
April 28, 2015 at 20:55:01
Motherboard: MSI Z97-G45 Gaming ATX LGA1150
# of fans: 3 not including Heatsink and GPU fans. one rear fan, one top fan, and one front fan.
Thermal paste was applied in a dot and then the heat sink was placed on top.
CPU idle CS:GO:33
CPU CS:GO(playing):40
GPU idle CS:GO:46
GPU playing cs:go:56
Heatsink:Cooler Master Hyper 212 EVO 82.9 CFM

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