PC Powers down automatically

Aqui1aZ3r0

Honorable
Nov 13, 2013
19
0
10,510
Hi Guys! I'm a new one on the block. You can call me Aqui1aZ3r0, or Z3r0 or Aqui1a. I have a similar problem to what I see here. I have a custom PC whose specs are given below. I used CPU-Z to get these specs:

OS: Windows 7 Ultimate 64 Bit
Processor: AMD Phenom II X4 945 3.0 Ghz
Motherboard: ASUS M4A78 HTPC
Chipset: AMD 780G
RAM: 2x2 GB Kingston
GFX: 512 MB GDDR5 XFX ATI Radeon HD 5670
PSU: TECH-COM 450W

I can run games like DuckTales Remastered, Counter Strike: Condition Zero and MANY MORE with no hassle. But then, there's more to it. I have Borderlands 2, that I run on Capped 72 FPS and Arkham City, Arkham Origins plus Counter Strike Source with average settings (To avoid trouble). Now, when I had played these games, all of them have at least switched the PC off automatically. (Just remembered, it also happened in Portal 2). To avoid this, I play them on a max stretch of 45 minutes together. When I changed my RAM from a Dynet to a Kingston a month ago, all have improved and not one auto switch off since then (Upto now), expect Arkham Origins. The situation is so worse, that I start a boss fight, 2 minutes, and I see it suffer the same fate. Looking at my specs, and what others have discussed over the same topic, I'd say that the PSU and/or Processor and/or GFX Card are responsible. Please help me out people. I love Arkham Origins and would'nt want to avoid it.....

Also, what softwares do you recommend to get all this data?
 
Solution
Well Prime95, Furmark, and AIDA64 are really only effective when they are able to run for more than half an hour. Memtest86 is most effective when allowed to run overnight. Anything less than that, and the tests may not be conclusive. We do not want to start looking at replacement parts until we know what needs replacing, if anything.
Well if you switched out the RAM, and it solved the issue temporarily, and then it started coming up again, you may have faulty RAM slots on the motherboard. It sounds to me like the RAM is being overvolted, or undervolted, making it act strangely. Have you performed any stress tests? Tools like Furmark, Prime95, Memtest86, AIDA64, and others can help narrow down the cause of error. The PSU is another possible culprit, as that is a pretty low wattage and a sketchy manufacturer.

Prime95:
http://www.mersenne.org/freesoft/

Furmark:
http://www.ozone3d.net/benchmarks/fur/

AIDA64:
http://www.aida64.com/downloads

Memtest86:
http://www.memtest86.com/
 

Aqui1aZ3r0

Honorable
Nov 13, 2013
19
0
10,510


I'll look into this mess first thing with those tests. It happened a lot during the operation of the older RAM. I'll do these today when returning from work. @Memtest86: Don't want to sound like a n00b, but will this work on my x64 system?

 

leeb2013

Honorable


crickey, there's the issue, 107C is way to hot. The cooler could be full of dust if it's old or maybe you've got no airflow in your case.
 

Aqui1aZ3r0

Honorable
Nov 13, 2013
19
0
10,510


Yeah. That sums it up nicely. Airflow isn't good, and there is some dust too. The flat is a dust magnet, so I'm amping it up right now. But how much should the maximum ideally be?
 

Aqui1aZ3r0

Honorable
Nov 13, 2013
19
0
10,510
I've done intensive tests, after cleaning it as much as I could. It's come down to the nineties, but the problems persists. The only better thing is that it runs longer than before, finally the shut down happens. What next? Amp the PSU? The GFX Card?
 

Aqui1aZ3r0

Honorable
Nov 13, 2013
19
0
10,510

The PC didn't shut down during the assessment
,as it was fixed to three minutes of testing, but the same thing happens in the applications with high graphics. Are you suggesting that I should do the default test, or should we start looking for options and replacements?
 
Well Prime95, Furmark, and AIDA64 are really only effective when they are able to run for more than half an hour. Memtest86 is most effective when allowed to run overnight. Anything less than that, and the tests may not be conclusive. We do not want to start looking at replacement parts until we know what needs replacing, if anything.
 
Well Prime95, Furmark, and AIDA64 are really only effective when they are able to run for more than half an hour. Memtest86 is most effective when allowed to run overnight. Anything less than that, and the tests may not be conclusive. We do not want to start looking at replacement parts until we know what needs replacing, if anything.
 
Solution

Aqui1aZ3r0

Honorable
Nov 13, 2013
19
0
10,510

If that's the case, I'll schedule the test for a weekend and get back to you.
 
Well also, look for errors and system crashes. Prime95 and AIDA64 have there own version of an error reporting system, and Furmark will crash. Memtest86 will also show errors. You can look up videos on youtube on how to set each of them up as well.
 

Aqui1aZ3r0

Honorable
Nov 13, 2013
19
0
10,510


I apologize. I haven't been able to do it, since I haven't visited my other house since I left. This is another thing now. I have periods of 1-2 months where the system attracts dust where I am not there. I don't know how to make this work.
 

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