Computer Overheating and Rebooting

Notjake

Commendable
Mar 28, 2016
4
0
1,510
Hi guys, long time lurker and first time poster here. I've been having a problem recently with my computer rebooting randomly when I'm gaming which I immediately knew was going to be an overheating problem. I've spent the last several hours looking at various forums for similar issues and googling tools to help me diagnose the issue but I'm only going to be confident shelling out money to replace a part if I know for sure that'll fix the problem.

In a nutshell, I've used both Speedfan and Open Hardware Monitor to get the following stats...

First, here is what I've got:
-AMD FX6300 CPU
-NVIDIA GeForce GTX 570 GPU
-MSI 970A-G43 motherboard

Using Speedfan I can see the following stats:
http://imgur.com/yzPp5RE

And I get a lot more granular information from OHM:
http://imgur.com/96pOkzp

I made sure to give the computer some amount of stress by playing a couple rounds of Rocket League. It looks to me like the issue is easily that my GPU is running way too hot. There really shouldn't be any problems with airflow in the case as it's pretty open, so this tells me the GPU is likely just getting old (also given the fact that it's a 570). This I have no problem replacing. However I can also see on OHM that:
-My motherboard is showing max temperatures of 67 and 73 Celsius, and
-My CPU is also showing a max temp of 66.8 Celsius reached.

To keep it simple, my questions are: #1, is it as simple as replacing the GPU for my GPU overheating problem, or might this be caused by another part? And #2, are the readings on the mobo and CPU anything to worry about?

If there's any other information I need to post, please let me know.
 
Solution
its the dust and lack of case fans, you should never have less then 2 case fans.

You need an intake fan in the front of your case

Notjake

Commendable
Mar 28, 2016
4
0
1,510


As far as outside conditions my apartment is about 23C / 74F. I did go ahead and replaced the GPU with a GTX 960. When not doing anything strenuous, HWMonitor shows the GPU at 60C - though it went up to 70 while in a game. Here are the readings with the new card, where the current value is not in-game (and side panel removed) and max is in-game with side panel on:

http://i.imgur.com/AfBkgsV.png

Though I am debating going full tower in the future, the current set up doesn't seem like it should have airflow problems:
http://i.imgur.com/AyHjDZm.jpg
 

Notjake

Commendable
Mar 28, 2016
4
0
1,510
The only fans I have are the one the came with the case (that sits on the inside at top/back of the case) - this appears to be an exhaust fan, as well as the CPU fan and of course the 2 on the GPU. I did just end up buying a liquid-cooled case fan that should be here in a couple of days. The motherboard and processor are at least 2 years old and did have quite a bit of dust buildup before I cleaned them last. Could the problem be the age and damage from dust?
 

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