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PC crashing

sakoki
By sakoki
in Troubleshooting
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Posted

Hello,

 

I've had my PC for over half a year now, and I haven't experienced any issues with is for the most part, but today my PC has crashed multiple times. It doesn't seem to matter whether it's under heavy load or not, it has crashed while I was gaming, while I was just browsing the internet and even when I left it in standby. It doesn't shut down, there is no bluescreen, it just turns off completely as if someone was pressing the power button. After a crash, pressing the power button won't turn on the PC (shortly after a crash) unless I turn the PSU off and on again first. My only guess so far is that the CPU is overheating (as it's made by AMD and is cooled by the stock cooler), though unfortunately, I don't know where to check CPU temperature. Also, as I've mentioned, the PC has been fine so far, and the case is pretty well-cooled, so I don't know why it would suddenly start overheating.

 

Edit: The CPU does not seem to overheat as it had a temperature below 50°C when I went into BIOS. Also, when my PC crashed yesterday evening I left it turned off until when I returned from school today, and I still couldn't turn it on without turing the PSU off and on first.

 

SPECS:

 

OS: Windows 7 (64 Bit)

 

BIOS: Ver. 04.06.05

 

CPU: AMD FX-8350

GPU: Asus DirectCU II R9 290x OC

MoBo: Asus M5A99X EVO R2.0

 

PSU: Corsair RM750

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Download HWMonitor to check yours temps. But the fact that it crashes both when under load and not under load makes me think the chip might not be stable, over time (especially/mainly when you overclock) the cpu and/or the power delivery system can start to degrade. Try underclocking it. 

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Its 100% power supply.

 

1 of 2 things are happening, either the PSU is failing OR the PC is pulling more power than the PSU can produce and causing it to surge.

 

This can also be a faulty surge protector or wiring in the home.  But it is MOST CERTAINLY power delivery in some method.

Please spend as much time writing your question, as you want me to spend responding to it.  Take some time, and explain your issue, please!

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If you find out the temperature is too high in regards to the cpu of course you will have to look at the HSF and see if it is working properly.  Check to see if the fan on the heatsink is spinning.  Check to see if maybe the connector for the fan came loose. Also your pc is due for a cleaning of components anyway so clean the heatsink and cpu off with http://en.wikipedia.org/wiki/Isopropyl_alcohol (preferrably 99% although I have used 100% before and may have even used a lesser % but not sure).  Reapply thermal paste. Put the HSF back on if the fan is functioning properly and start up the pc and see what happens.

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Download HWMonitor to check yours temps. But the fact that it crashes both when under load and not under load makes me think the chip might not be stable, over time (especially/mainly when you overclock) the cpu and/or the power delivery system can start to degrade. Try underclocking it. 

 

I'm using the CPU at base clock. Is there any way to test if this is what's causing the issue?

 

 

Its 100% power supply.

 

1 of 2 things are happening, either the PSU is failing OR the PC is pulling more power than the PSU can produce and causing it to surge.

 

This can also be a faulty surge protector or wiring in the home.  But it is MOST CERTAINLY power delivery in some method.

Is there a way to check this? I built the PC on my own so I'll need to find out which part is causing the issue before I can send it in.

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I'm using the CPU at base clock. Is there any way to test if this is what's causing the issue?

 

 

Is there a way to check this? I built the PC on my own so I'll need to find out which part is causing the issue before I can send it in.

You need to be more specific. Crash? What does it do when it crashes? Does the power instantly cut off? blue screen? freeze?

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Its 100% power supply.

 

1 of 2 things are happening, either the PSU is failing OR the PC is pulling more power than the PSU can produce and causing it to surge.

 

This can also be a faulty surge protector or wiring in the home.  But it is MOST CERTAINLY power delivery in some method.

It MIGHT be the power supply.

Do you hear any fans speeding up as the PC is getting close to shutting down?

You should also be able to check your idle temp in your BIOS.

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You need to be more specific. Crash? What does it do when it crashes? Does the power instantly cut off? blue screen? freeze?

As stated in the OP, it's as if someone had pressed the power button for a couple of seconds. It turns off instantly.

 

It MIGHT be the power supply.

Do you hear any fans speeding up as the PC is getting close to shutting down?

You should also be able to check your idle temp in your BIOS.

 

Nah, I didn't notice anything before the shutdowns, though I am using a headset.

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I had a experience with this kind of behaviour a couple of months ago. And I'm 80% sure that it's the PSU. After it shuts off, try touching it and see if it's hot. (Altough the RM series are very good). The PC I was dealing with was using some cheap delux PSU, and it even smelled funny at the end. Unfortunately I had to swap the mobo and the cpu (some old Athlon), and I'm not sure if the mobo was getting bad, or something was shortcircuiting on the case/mobo. (didn't have enough time to properly trobleshoot) Anyway... as I said, touch the PSU and see if it's hot. It could also be a loose power connector somewhere (that can actually damage the mobo).

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It MIGHT be the power supply.

Do you hear any fans speeding up as the PC is getting close to shutting down?

You should also be able to check your idle temp in your BIOS.

If the PC is shutting down because of temps then it will restart just fine after cooling off.  If he has to go flip the power supply switch it is the power supply. 

Please spend as much time writing your question, as you want me to spend responding to it.  Take some time, and explain your issue, please!

Spoiler

If you need to learn how to install Windows, check here:  http://linustechtips.com/main/topic/324871-guide-how-to-install-windows-the-right-way/

Event Viewer 101: https://youtu.be/GiF9N3fJbnE

 

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I'm using the CPU at base clock. Is there any way to test if this is what's causing the issue?

 

 

Is there a way to check this? I built the PC on my own so I'll need to find out which part is causing the issue before I can send it in.

Your CPU is fine, I saw 8350's render videos around 70c. It's clearly your power supply if it instantly cuts off.

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Check Windows Event Viewer, it should display why your system is crashing. 

Is it your PSU that's failing?

 

IF none work, another option is to reinstall your OS.

 

Hope this helps.  :)

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