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Windows 7 PC keeps shutting down randomly

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  • Components
Last response: in Components
June 23, 2013 2:17:40 PM

My PC keeps shutting down randomly
When it shuts down it doesn't just shut down like the power has been unplugged, it turns off as though i have pressed shut down
Specs:
AMD Athlon II 640
4gb RAM (2x2gb)
ATI Radeon HD 4830 512mb
powered by
Corsair CX430 (modular)

It has worked fine for 5 months. I haven't done any overclocking.
Thanks in advance

More about : windows shutting randomly

June 23, 2013 2:31:24 PM

How are your temps & fan speeds?
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June 23, 2013 2:41:54 PM

ur6beersaway said:
How are your temps & fan speeds?


pretty good. Core temperatures are 23c whilst playing Skyrim, and graphics card is at 42c
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June 23, 2013 2:55:12 PM

Thanks, Any error messages or it just drops out/off?
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June 23, 2013 3:00:28 PM

ur6beersaway said:
Thanks, Any error messages or it just drops out/off?

no it just turns off without any messages

Thanks for replying
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Best solution

June 23, 2013 3:17:05 PM

With no errors, or other symptoms/issues, shuts off. Replacement time, or if you have or can borrow one for testing, there is nothing left. They do wear out.
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June 23, 2013 3:18:23 PM

ur6beersaway said:
With no errors, or other symptoms/issues, shuts off. Replacement time, or if you have or can borrow one for testing, there is nothing left. They do wear out.


I will just return it to Amazon, It came with a 3 year warranty I think.
Thanks :D 
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May 25, 2014 6:11:02 PM

Had random shut downs replaced everything including os turned out to be keyboard. Now I have two computers lol.
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May 25, 2014 7:06:45 PM

Jenlou said:
Had random shut downs replaced everything including os turned out to be keyboard. Now I have two computers lol.


Hey! It's been so long since I started this thread. Anyway it turned out it was my keyboard too. It was an old PS/2 one, and when I found out I replaced. :D 
xD
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June 5, 2014 7:26:42 PM

well i have a windows 7 and got it this christmas ,and it started shutting off Can someone explain how i can fix this ? i know its not overheating tho its not hot & the fan is actually cold
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June 6, 2014 3:12:55 AM

selenalovesu said:
well i have a windows 7 and got it this christmas ,and it started shutting off Can someone explain how i can fix this ? i know its not overheating tho its not hot & the fan is actually cold


Do you by any chance have a PS/2 mouse (Non-USB)? Well, if you do try replace it with a USB one to see if stat works.
Check that first, then check for other problems like RAM problems, viruses.
To check for RAM, use MemTest, and obviously run a virus scan for viruses.

Give that a go :D 
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September 10, 2014 1:56:29 PM

unknown101 said:
selenalovesu said:
well i have a windows 7 and got it this christmas ,and it started shutting off Can someone explain how i can fix this ? i know its not overheating tho its not hot & the fan is actually cold


Do you by any chance have a PS/2 mouse (Non-USB)? Well, if you do try replace it with a USB one to see if stat works.
Check that first, then check for other problems like RAM problems, viruses.
To check for RAM, use MemTest, and obviously run a virus scan for viruses.

Give that a go :D 


Hi I am having this problem, I have just installed win 7 and it keeps powering off without warning. Temps are fine, have tried different memory. I have a ps/2 keyboard, can you explain why this shuts down the computer? I can't seem to find much information about this issue elsewhere. I just want to know before I buy a new keyboard. thanks
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September 11, 2014 8:56:18 AM

grimg said:
unknown101 said:
selenalovesu said:
well i have a windows 7 and got it this christmas ,and it started shutting off Can someone explain how i can fix this ? i know its not overheating tho its not hot & the fan is actually cold


Do you by any chance have a PS/2 mouse (Non-USB)? Well, if you do try replace it with a USB one to see if stat works.
Check that first, then check for other problems like RAM problems, viruses.
To check for RAM, use MemTest, and obviously run a virus scan for viruses.

Give that a go :D 


Hi I am having this problem, I have just installed win 7 and it keeps powering off without warning. Temps are fine, have tried different memory. I have a ps/2 keyboard, can you explain why this shuts down the computer? I can't seem to find much information about this issue elsewhere. I just want to know before I buy a new keyboard. thanks


I really don't know or understand why it does this. Buy a cheap USB one or borrow one for a whilst. There is a chance it will stop shutting down.
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October 31, 2014 10:54:43 AM

I also faced this problem in windows 7.

When I installed win xp pc does not shut down but when I again upgrade to win7 its again shuts off

I have upgrade it to win 8 and problem solve
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November 1, 2014 10:05:38 PM

WINDOWS 7, Quad Core, dual monitor

So while I was trying to find the answer to my black screen reboot without errors, I came across this thread. I have since fixed the problem, but felt I owed it to the community to come back and report.

My issue: after ten minutes or so after booting, my system would just shut off. No BSOD, no error messages, no reboot. Just turn off.

I first updated all drivers of course, USB drivers, Network Adapter drivers, Video drivers, basically everything. Did not change.

I ran CCleaner, and did every test it had, including a registry clean. Did not change.

I suspected my network adapter was the culprut, so I disabled it, and installed a wireless net work device. Did not change.

In one of these threads I came across the Event Viewer. (Type event viewer in the start menu, and read the errors that it produces)

This was the start to the answer. At least here there is an error log that you can review and hopefully gain a clue as to the source.

This error log is frustrating because it lists every warning and error that is produced, and often they are not very descriptive. (more on this later.

Finally one night I came home from work, and my house was cool, and I had to turn up the furnace. But before my house heated up, my computer was running great. No reboot. Once the house gained a certain temperature, the system shutdown started again.

Clearly I was hunting for a temperature issue, but all fans seemed to be working normally. I downloaded a program that monitors the temperature of the CPU. Everything was normal.

I was pretty bummed out because I thought I was on the right track.

I went back to the Event Viewer to keep looking, and that's when I found one error right in the middle of 20 or 30 other ones. It was the first time I had ever seen this one. 'System has restarted unexpectedly due to an overheated graphics card.'

So simple. Why had this error failed to appear before? I don't know.

I have an ATI Crossover dual graphics card. It is two cards that run in tandem, hooked up with a crossover cable. I inspected the cards, and noticed one was VERY hot. It actually had to wait for it to cool down before I could remove it. I plugged my two monitors into the other card that was not running hot, and everything is bliss now.

The moral of the story is that if your computer is turning off without warning, it is almost certainly not the OS, or a software related issue. Even if there is a faulty driver, it will usually produce an error, and will almost always make the machine reboot.

When there is a heat related issue, the system turns itself off as a protective measure against fire. This makes a lot of sense.

Anyhow, I hope this post helped somebody fix their issue. I have spent a week trying everything I've read on this board to fix the problem, and I guess it paid off.

Thanks.

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November 2, 2014 1:57:15 AM

Gary Burns said:
WINDOWS 7, Quad Core, dual monitor

So while I was trying to find the answer to my black screen reboot without errors, I came across this thread. I have since fixed the problem, but felt I owed it to the community to come back and report.

My issue: after ten minutes or so after booting, my system would just shut off. No BSOD, no error messages, no reboot. Just turn off.

I first updated all drivers of course, USB drivers, Network Adapter drivers, Video drivers, basically everything. Did not change.

I ran CCleaner, and did every test it had, including a registry clean. Did not change.

I suspected my network adapter was the culprut, so I disabled it, and installed a wireless net work device. Did not change.

In one of these threads I came across the Event Viewer. (Type event viewer in the start menu, and read the errors that it produces)

This was the start to the answer. At least here there is an error log that you can review and hopefully gain a clue as to the source.

This error log is frustrating because it lists every warning and error that is produced, and often they are not very descriptive. (more on this later.

Finally one night I came home from work, and my house was cool, and I had to turn up the furnace. But before my house heated up, my computer was running great. No reboot. Once the house gained a certain temperature, the system shutdown started again.

Clearly I was hunting for a temperature issue, but all fans seemed to be working normally. I downloaded a program that monitors the temperature of the CPU. Everything was normal.

I was pretty bummed out because I thought I was on the right track.

I went back to the Event Viewer to keep looking, and that's when I found one error right in the middle of 20 or 30 other ones. It was the first time I had ever seen this one. 'System has restarted unexpectedly due to an overheated graphics card.'

So simple. Why had this error failed to appear before? I don't know.

I have an ATI Crossover dual graphics card. It is two cards that run in tandem, hooked up with a crossover cable. I inspected the cards, and noticed one was VERY hot. It actually had to wait for it to cool down before I could remove it. I plugged my two monitors into the other card that was not running hot, and everything is bliss now.

The moral of the story is that if your computer is turning off without warning, it is almost certainly not the OS, or a software related issue. Even if there is a faulty driver, it will usually produce an error, and will almost always make the machine reboot.

When there is a heat related issue, the system turns itself off as a protective measure against fire. This makes a lot of sense.

Anyhow, I hope this post helped somebody fix their issue. I have spent a week trying everything I've read on this board to fix the problem, and I guess it paid off.

Thanks.



Try to upgrade your os to win8. If this will not resolved than I will suggest you other options
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January 8, 2015 5:37:56 AM

unknown101 said:
Jenlou said:
Had random shut downs replaced everything including os turned out to be keyboard. Now I have two computers lol.


Hey! It's been so long since I started this thread. Anyway it turned out it was my keyboard too. It was an old PS/2 one, and when I found out I replaced. :D 
xD

What do you mean "your keyboard"? xD

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January 3, 2016 11:04:07 PM

My computer turned off automatically when a microwave turned on, is it possible that my PSU was damaged by this? all led lights on my mobo is on!
i let it off for several hours, then i turn it on runs fine for several minutes lets say about 30mins. then shuts down, turned on immediately then shuts down immediately. like a battery when i turn it off for a long time, it runs for a long time then shuts off. At bios it also shuts down! need some help with this one. i aint buying new PSU unless i have no choice. my unit is 1 year old.

CPU i7 4790k
Asus ROG hero 7
GPU GTX 760 dcu ii
PSU coolermaster v750 W
SSD samsung 840evo
HHD 2TB
Windows 7
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January 20, 2016 9:41:19 AM

unknown101 said:
My PC keeps shutting down randomly
When it shuts down it doesn't just shut down like the power has been unplugged, it turns off as though i have pressed shut down
Specs:
AMD Athlon II 640
4gb RAM (2x2gb)
ATI Radeon HD 4830 512mb
powered by
Corsair CX430 (modular)


It has worked fine for 5 months. I haven't done any overclocking.
Thanks in advance




I've had the same issue for about 15 minutes. It doesn't always have to be a let's replace the power supply that causes this nonsense. I found my simple solution by just going into the control panel and selecting power options. If you methodically check every single check/non-checked item? It can be as simple as making sure your HD doesn't power down in 2 minutes like mine said. I sure didn't set it at that number. So there's something else at work here. It did solve my issue though.
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January 20, 2016 9:44:55 AM

UBEN09 said:
My computer turned off automatically when a microwave turned on, is it possible that my PSU was damaged by this? all led lights on my mobo is on!
i let it off for several hours, then i turn it on runs fine for several minutes lets say about 30mins. then shuts down, turned on immediately then shuts down immediately. like a battery when i turn it off for a long time, it runs for a long time then shuts off. At bios it also shuts down! need some help with this one. i aint buying new PSU unless i have no choice. my unit is 1 year old.

CPU i7 4790k
Asus ROG hero 7
GPU GTX 760 dcu ii
PSU coolermaster v750 W
SSD samsung 840evo
HHD 2TB
Windows 7


You sound like you're overloading that particular breaker in the fuse box. That's good though. It prevents your home from burning down. You can try re-routing or even adding an additional breaker into your box or if you're unsure? Call an electrician.
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January 21, 2016 10:21:10 AM

I have the same problem, and guess what.. I have the exact same power supply.
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January 21, 2016 10:05:18 PM

bought a new PSU, all good!
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January 23, 2016 12:39:54 PM

Jens_1 said:
I have the same problem, and guess what.. I have the exact same power supply.


There are way too many people that don't check their software setups (usually your control panel options), that want to automatically label problems with shutdowns with hardware issues. That's not always the case at all. I always try to check software before I ever put an ohm meter to the components inside the case. It's just a smarter approach to solving problems. Do the easiest and most efficient tasks first.
Choosing a power supply
Last updated 18 April 2016 Foreword I often see questions about power supplies, therefore, back in May of 2014 I started making this guide which I have kept periodically updated on my own. My guide has remained mostly unchanged up to this point... See full content
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August 14, 2016 9:39:36 AM

I'm having the same issue, my PSU used to work fine before my upgrade, even few hours after my upgrade/drivers installation.
The H61M-A and the i5 2320 worked pretty good with my old ram and power supply, but now the system just shuts down after few minutes. And after a few minutes, keeps restarting without even get to the bios screen. Could it be some drivers shit? (I've tested another PSU, same shit happened)
edit: a Cooler Master Elite 350w keeps the stuff on
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6 minutes ago

I was having this same issue since yesterday. I ran every test I could; Malwarebytes, spybot search & destroy, antyvirus, ccleaner nothing seemed to work, then I realized it had been a while since I last dusted it, so I decided to give it try, and it did have much dust inside. However, while doing this I discovered that some cables had the cover damaged, they were "skint" -don't know the exact term for that - so I used some scotch tape on it and it seems to be running fine now. So, it wouldn't hurt to open your tower, dust it if you must and have a good look for any possible damaged cable inside. Hope this helps someone.
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