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Old Mar 8, 2009, 01:11 AM   #1
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This is strange... My computer keeps shutting down by itself

It started happening yesterday while I was playing NFSMostWanted on my PC.

I was playing, and my monitor just went black and my computer shut down, it was like the power went out. That's what I thought, but I turned it back on, and it worked. But then in shut down again in about 10 mins of starting it up again.
I left it off for a while, and grabbed something to eat, I turned it back on and it lasted for about 2 hours then shut down again. I turned it back on later and it worked for the rest of the day.

But today it shut down AGAIN. I'm starting to think it's a hardware problem. It usually shuts down if I'm playing a game. I've also noticed Youtube videos framerates are very slow, and the framerate while I'm writing this is also slow.

Any help would be very appreciated. Also, could It be dust on the fan? Should I try and clean it?
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Old Mar 8, 2009, 05:41 AM   #2
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Re: This is strange... My computer keeps shutting down by itself

YES, clean it. It sounds like a heat issue. If there is too much dust etc in the fans and on the hardware, then the temps rise too much and it shuts down.
Of course it might be something else, but the first thing to check would be this.
Just make sure you unplug the system before you open and clean it.
AND DON'T USE ANY LIQUIDS!
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Old Mar 8, 2009, 12:29 PM   #3
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Re: This is strange... My computer keeps shutting down by itself

I agree with BlueMak's advise always the place to start.
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Old Mar 8, 2009, 04:57 PM   #4
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Re: This is strange... My computer keeps shutting down by itself

do not use a sweeper to "sweep" out the inside of your case, this will cause a massive amount of a static electric charge that could damage the components inside. use a can of compressed air, or use an air compressor and deflect the air stream off of your hand, a compressor can output a lot more force and you don't want to blow away parts off the PCBs. i also recommend doing this away from your normal place of rest for the CPU, outside if possible, otherwise the dust n dirt will end up right back in there.
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Old Mar 8, 2009, 10:27 PM   #5
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Re: This is strange... My computer keeps shutting down by itself

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.... i also recommend doing this away from your normal place of rest for the CPU, outside if possible, otherwise the dust n dirt will end up right back in there.
Also, your wife will kill you!
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Old Mar 9, 2009, 01:28 AM   #6
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Re: This is strange... My computer keeps shutting down by itself

definitely heat sounding... clean it.... should be done at least once every 6 months to a year for most non smokers even under the cleanest house conditions..

every 3 months or more often if your a smoker
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Old Mar 9, 2009, 05:18 PM   #7
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Re: This is strange... My computer keeps shutting down by itself

I had the same problem with my old rig and it solved finally by putting additional ( what do you call it) the thermal compound that lies between CPU and its fan. Just assure that the cpu surface is covered with it as it helps in cooling the cpu alot(don't spill it outside the cpu) .

Hint: To take sure that the problem is a heat issue just after your computer shut down restart it , enter bios and see what is the cpu temp, if it is above 65-70 C then it must be a heat issue , if the temp was below 45 C it is mostly not.
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Old Mar 9, 2009, 07:58 PM   #8
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Re: This is strange... My computer keeps shutting down by itself

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Originally Posted by comp_ali View Post
I had the same problem with my old rig and it solved finally by putting additional ( what do you call it) the thermal compound that lies between CPU and its fan. Just assure that the cpu surface is covered with it as it helps in cooling the cpu alot(don't spill it outside the cpu) .

Hint: To take sure that the problem is a heat issue just after your computer shut down restart it , enter bios and see what is the cpu temp, if it is above 65-70 C then it must be a heat issue , if the temp was below 45 C it is mostly not.
yes if after you clean it you are still having problems. you might want to reseat the heat sink on top of the CPU. Make sure after you take it off clean all the old paste off and apply fresh. this is because the heat may have hardened or aged the thermal paste and it will not work properly.
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Old Mar 10, 2009, 01:49 AM   #9
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Re: This is strange... My computer keeps shutting down by itself

Great advise guys hope we here back from the author of the thread so we can help him out more
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Old Mar 10, 2009, 05:24 AM   #10
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Re: This is strange... My computer keeps shutting down by itself

I wonder if he is still alive.
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The people who are regarded as moral luminaries are those who forego ordinary pleasures themselves and find compensation in interfering with the pleasures of others(Bertrand Russell)"You go into Afghanistan, you got guys who slap women around for five years because they didn't wear a veil,You know, guys like that ain't got no manhood left anyway. So it's a hell of a lot of fun to shoot them." - Lt. Gen. James N. Mattis
This is slavery, not to speak one's thought. [Euripides-The Phoenician Women (c.411-409 B.C.)] http://www.macedonia.info/FALLACIESANDFACTS.htm
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Old Mar 10, 2009, 07:07 AM Threadstarter Thread Starter   #11
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Re: This is strange... My computer keeps shutting down by itself

Haha, I'm still alive :P

It's worked well actually. My computer hasn't shut down at all, and things are actually running much more faster. Games used to lag alot, now, the graphics are nice and smooth

Thanks for the help guys. Now I know where to go to get computer advice XD
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Old Mar 10, 2009, 11:42 AM   #12
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Re: This is strange... My computer keeps shutting down by itself

Cool stuff man glad ya got it sorted ... don't be a stranger
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Old Mar 10, 2009, 09:41 PM   #13
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Re: This is strange... My computer keeps shutting down by itself

i would like to add to check the PSU if the issue keeps on happening after the system has been cleaned out. perhaps the +12v rail is under volting the machine, and causing it to shut down during load.
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Old Dec 7, 2009, 07:25 PM   #14
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Re: This is strange... My computer keeps shutting down by itself

I have a HP laptop that is only about 8 months old, and it started doing the same thing..... It will go to a black screen and then about 30 seconds later shuts down flat. I don't want to send my laptop away to HP for them to fix it because god only knows how long they would have it! It does heat up a fair bit, I can feel the heat coming off the left side of my laptop and its usually pretty hot..... All I do on my computer is facebook and youtube and email but it has also been lagging pretty bad and when it shuts down in the middle of something its a real pain!!
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Old Dec 7, 2009, 07:30 PM   #15
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Re: This is strange... My computer keeps shutting down by itself

Then get a passive cooler, and blow it out with compressed air, getting more airflow under laptops can work wonders...... Normally black screens like that are signs of extreme heat especially in laptops.
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Old Dec 8, 2009, 12:48 AM   #16
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Re: This is strange... My computer keeps shutting down by itself

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Originally Posted by rknoel View Post
I have a HP laptop that is only about 8 months old, and it started doing the same thing..... It will go to a black screen and then about 30 seconds later shuts down flat. I don't want to send my laptop away to HP for them to fix it because god only knows how long they would have it! It does heat up a fair bit, I can feel the heat coming off the left side of my laptop and its usually pretty hot..... All I do on my computer is facebook and youtube and email but it has also been lagging pretty bad and when it shuts down in the middle of something its a real pain!!

unplug the battery, remove it completely, and run the game on mains only. Does it still do it?
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The people who are regarded as moral luminaries are those who forego ordinary pleasures themselves and find compensation in interfering with the pleasures of others(Bertrand Russell)"You go into Afghanistan, you got guys who slap women around for five years because they didn't wear a veil,You know, guys like that ain't got no manhood left anyway. So it's a hell of a lot of fun to shoot them." - Lt. Gen. James N. Mattis
This is slavery, not to speak one's thought. [Euripides-The Phoenician Women (c.411-409 B.C.)] http://www.macedonia.info/FALLACIESANDFACTS.htm
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Old Jan 23, 2012, 01:17 AM   #17
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Re: This is strange... My computer keeps shutting down by itself

guys i have the same problem when i play a game my pc keep shutting down about 15 min any game i play my pc keep shutting down what am gonna do pls help
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Old Jan 23, 2012, 05:24 AM   #18
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Re: This is strange... My computer keeps shutting down by itself

Have a look at the event manager
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Old Jan 23, 2012, 06:41 AM   #19
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Re: This is strange... My computer keeps shutting down by itself

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guys i have the same problem when i play a game my pc keep shutting down about 15 min any game i play my pc keep shutting down what am gonna do pls help
Sounds like the Power Supply is going out if it's just a matter of the PC shutting down after starting games. 3D games cause more stress on the PC's power consumption.

Now that I answered and suggested something, did you not notice that this thread is over THREE YEARS OLD?
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Old Jan 24, 2012, 03:10 AM   #20
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Re: This is strange... My computer keeps shutting down by itself

lol 3 YEARS AGO!! i didnt know that i see the suggestions of people clean it and it will not shutdown i did that but nothing happen what part of the pc should i clean help
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Old Jan 24, 2012, 06:08 AM   #21
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Re: This is strange... My computer keeps shutting down by itself

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lol 3 YEARS AGO!! i didnt know that i see the suggestions of people clean it and it will not shutdown i did that but nothing happen what part of the pc should i clean help
If you haven't done so in the last year, take the side cover off the PC. Then, disconnect everything and take it outside along with a can of compressed air. Using the compressed air clean all the fans and any air intakes/outlets. Make sure all the dust has been removed from the interior of the case.

If you place your PC on the floor, and it's carpeted, you should do this no less than every six months. I tend to do it about every 3 months and I keep mine on the desk next to me.

Although this cleaning is a necessary maintenance item, it may not fix the shutdown unless the shutdown is due to some overheating because of a build-up of dust. Good luck, though!
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Old Feb 15, 2012, 10:19 AM   #22
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Re: This is strange... My computer keeps shutting down by itself

Hi
i have the same sort of problem with a compaq pressario 900
it loads to the desktop and then within a min or two it shuts down.

i have replaced the fan md it is still happening.
any help would be appreciated
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Old Feb 15, 2012, 11:06 AM   #23
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Re: This is strange... My computer keeps shutting down by itself

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Hi
i have the same sort of problem with a compaq pressario 900
it loads to the desktop and then within a min or two it shuts down.

i have replaced the fan md it is still happening.
any help would be appreciated
If it's simply shutting down with no error it sounds like either heat or the PSU is going out.

Doing a cleaning as suggested earlier and checking all the fans to make sure they're working is the first thing to try.

If the fans are all working and the interior of the case is clean, it's likely that the PSU is on its last legs.
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Old Feb 15, 2012, 08:23 PM   #24
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Originally Posted by Dyre Straits
If you haven't done so in the last year, take the side cover off the PC. Then, disconnect everything and take it outside along with a can of compressed air. Using the compressed air clean all the fans and any air intakes/outlets. Make sure all the dust has been removed from the interior of the case.
I was just gonna recommend this!!!

Boy the first time i did this IT WAS COVERED IN THERE! (Like a layer of fallen snow (Just about anyway))

Poor things shouldnt have to work under those conditions
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Old Feb 16, 2012, 08:33 PM   #25
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Re: This is strange... My computer keeps shutting down by itself

thanks for the replys
stupid question but does the fan kick in right away.

if it was the psu it shouldnt happen just when the battery is on? and not the power unit

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Old Feb 17, 2012, 07:29 AM   #26
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Re: This is strange... My computer keeps shutting down by itself

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thanks for the replys
stupid question but does the fan kick in right away.

if it was the psu it shouldnt happen just when the battery is on? and not the power unit
If the unit is turned on at all, yes, the fan should be working. If it's not working then overheating is definitely a consideration. Since you mention a "battery" I assume we're discussing a laptop...not a desktop. But, no matter, like I say, if the unit is on the fan/s should be working in order to provide air circulation and cooling.

And, if for any reason you're placing the laptop on anything other than a hard surface, avoid doing that...EVER! There should be no soft material like a tablecloth, bedspread, or any other such material beneath the laptop when it's on. Don't even place it on your lap...even though they call them "lap tops" there's still danger in restricting air flow and causing overheating.

One very cheap solution to ensure air flow is to get a cake cooling wire rack. They are just about the right size and will provide a decent space between the bottom of the laptop and any surface area ensuring enough air flow for cooing...IF the fan/s working.
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Old May 3, 2012, 09:22 PM   #27
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Re: This is strange... My computer keeps shutting down by itself

Can anyone help?

Yesterday my computer froze and turned itself off so I left it off overnight to see if it would work now, it keeps booting up to the log in page (where you do the whole 'CTRL, ALT, DEL' thing) and then blacking out and turning itself on again. I have checked its temperature and it is 30 degrees so it can't be that, i have essays due in a few days and so sending the computer away is not an option, does anyone have any idea what I can do?

Thanks
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Old May 4, 2012, 12:21 AM   #28
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Re: This is strange... My computer keeps shutting down by itself

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Can anyone help?

Yesterday my computer froze and turned itself off so I left it off overnight to see if it would work now, it keeps booting up to the log in page (where you do the whole 'CTRL, ALT, DEL' thing) and then blacking out and turning itself on again. I have checked its temperature and it is 30 degrees so it can't be that, i have essays due in a few days and so sending the computer away is not an option, does anyone have any idea what I can do?

Thanks
But it could have overheated and damaged something causing the initial freeze.

Seeing as this is an old thread, it may be best to start a new thread and give us more details about your system.
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Old May 4, 2012, 02:10 AM   #29
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Re: This is strange... My computer keeps shutting down by itself

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But it could have overheated and damaged something causing the initial freeze.

Seeing as this is an old thread, it may be best to start a new thread and give us more details about your system.
Could be the PSU over heating, or is damaged, same goes for the video card (if dedicated). You're right though. Best to start a new thread.
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