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Computer Keeps Shutting Down on its own - Computers & Internet

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This issue could be caused by any of the below possibilities.
Heat related issue.
Hardware issue or error.
Computer virus.
Issue with operating system.
Other failing hardware

Heat related issue
A computer that turns off without warning is often a heat related issue. Many computers today are designed to turn off or automatically reboot if the computer, processor, or other device in your computer gets too hot. If you have heard any abnormal noises coming from your computer recently such as a high squealing, this could indicate a fan may be failing in your computer.
You can first start by verifying the fan on the power supply is working by examining the back of the computer and seeing if the fan is moving and moving smoothly. For all other fans in the computer, you will need to either open the computer and make sure the fan are working (processor fan and case fans) and/or if your BIOS monitors the RPM of the fans, enter BIOS and make sure the BIOS does not report any errors.
While inside the computer it's also a good idea to verify the processor heatsink is properly connected by disconnecting and reconnecting the heatsink. If the processor heatsink is not properly it will not keep the processor cool causing the computer to overheat.
Hardware issue or error
Any failing hardware component in your computer could cause your computer to unexpectedly turn off without warning. If you have recently attempted to add a new hardware device, remove that device to make sure it is not causing your issues.
Before attempting to remove any hardware, make sure you are not encountering this issue because of hardware conflicts by viewing Device Manager for errors.
If you have not recently installed any new hardware into the computer, the next best solution to determining if this is a hardware issue would be remove any hardware on the computer that is not needed. For example, remove your modem, network card, sound card, and any other expansion cards that are not needed for the computer to operate. Run the computer without these cards to see if they are the cause of your issue.
Computer virus
It's possible for your computer to be infected with a virus that is designed to shut down your computer or turn it off. If your computer seems to be turning off when executing a certain program at specific times in the day, it could be infected.
If you believe your computer may be infected with a virus or are uncertain if your computer is infected with a virus, make sure your virus scanner definitions are up to date.
Issue with operating system
If after following each of the above recommendations your computer still continues to reboot, it is likely that you are experiencing a Microsoft Windows operating system related issue that cannot be explained. To help make sure this is the case, please try the below steps.
Reboot the computer and enter CMOS setup as the computer is booting.
After you have loaded the computer in CMOS setup, let the computer sit.
If the computer does not turn off while letting the computer sit in CMOS, it is likely that you are in fact experiencing an issue with Microsoft Windows or your operating system and it is recommend that if you have followed all of the above recommendations that you reinstall your version of Microsoft Windows.
Other failing hardware
If after reinstalling your operating system, or during the installation of your operating system, your computer turns off abnormally, it is very likely that other hardware is failing in the computer. Often this is RAM, CPU, Motherboard, and/or Power Supply (in that order).
If you have extra available parts or have a friend or co-worker with a similar configuration that is willing to allow you to test their hardware in your computer, try swapping these parts to determine if they are at fault. Otherwise, you will need to have the computer serviced.

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Try to get into your computer after start and before windows load hitting the key F8 and selecting SAFE MODE and see what happen there. Check for virus and spyware.

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This will fix your problem.
Don't forget to rate my help! :-)
Thank you for using FIXYA!
Pablo

Posted on Oct 14, 2008

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After making sure your computer is cleared of all the viruses then read the following.

I had a the same problem and i changed the ram,then i replaced the Processor and then i had to buy another mobo and all that did not solve.Than finally i went for the PSU a very cheap item of hardware.Eureka!!!!!!!!! It did the job.

good luck i hope it works for you.

taburi

Posted on Mar 15, 2009

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Tip

Computer randomely shutting down


As a 25 years experienced technician, some times I have clients who come to me saying " I have a computer that keeps shutting down randomely " they had it checked by some tech. and he can't find a clue what's going on, even after changing the power supply...

The reason is that the tech did not noticed the swollen capacitors on the main board usually around the CPU or the RAM...

Conclusion! if your computer is randomely shutting down, befor changing any hardware, open the box and check for the physical state of the capacitors (round aluminium cans covered in a plastic shrink) the top are suppose to be FLAT not about to burst.

They can be changed by a proffessional tech. with good tools and lots of patiance (not to damage the feed trough's on the board)

on Dec 29, 2010 | Computers & Internet

1 Answer

My computer keeps shutting down automatically.


If it is shutting down by itself to a full power off then the first thing you should check is heat. Software could be an issue but the safe bet would be hardware. It sounds like it's overheating and shutting down to prevent damage. Check to see if the computer itself is warmer than usual. Listen carefully for sounds that are different or missing. It could be that a fan that failed that is causing an excess build up of heat. If you are comfortable doing so you should remove the cover and used a can of compressed air to blow dust off the boards and fans or if your careful you can use a vacuum, emphasis on careful.

Jul 16, 2011 | Acer Veriton 7200 PC Desktop

1 Answer

My lenovo ideapad z560(core3i,2gb ram) keeps shutting down automatically.... havent been able to identify any specific reasons for it.. sometimes its stuts down just after bootin...or jst in d middle of...


Hi,

I suggest try to check these things on your machine.

->Check if the machine is Overheating.
->Check which part of the machine is Overheating.
->See if the Fan of the machine is Running(Feel if the air vent of the machine)

Cause of Automatic Shutdown:
-Memory
-Hard Drive
-Fan is not working

Most likely those are the cause of the machine keeps on shutting down unexpectedly.

Apr 12, 2011 | Lenovo IdeaPad Z560 Laptop Computer -...

1 Answer

My computer keeps shutting down (the internet) It


Hi,

If you are using windows operating system then try to restore operating system to back date by dowing below steps.

1 Go to "Start"
2. All programmes
3. Accessories
4. System Tools
5. System Restore
6.Restore my computer to earlier time >Next
7 Select a restore poing > Next
8. After completion of restore it will rebooted.

Thanx

Jul 15, 2010 | Dell Inspiron 530s Desktop Computer...

2 Answers

Pc keeps shutting dowen


You might want to check on the heat protection for your machine's CPU. This sounds like the CPU gets to a heat level that triggers internal protection from damage by excessive heat.

-a.

Jun 06, 2010 | Gateway GT5220 PC Desktop

1 Answer

My computer is shutting down on its own. Is this


Scanning computer to eliminate malwares, spywares and the viruses from your laptop.
2- Repairing and cleaning Windows registry.
These two tips are found to be very helpful to fix the laptop shutdown problem. Almost all the computer users surf internet which could result in viruses attacking your system. Some of these infections are really pesky and cause the machines to shutdown randomly.
The registry errors, however, are the internal errors and can become a cause of system crashes and freezes. The registry keys shall be in good health to keep a system perfect.
When I noticed my laptop keeps shutting down everytime, I tested the Intel Software Partner, RegInOut to fix the random shutdown problem with my laptop.

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2 Answers

Emachines w2828 keeps shutting down reboot/Screen Freeze


I dont thing this is a virus problem but a heat problem. if you dont mind getting inside the box see how clean it is and put your hand on the power box case .. then unplug all the hardware except the mother board then turn the unit on, if it goes on then plug 1 hardware at a time.

Sep 04, 2009 | E-Machines eMachines Desktop PC

1 Answer

My computer keeps shutting down


OOOOOO I got this kind of happenings when I had a virus on my computer!
Did it say "Shutting down in 15 seconds,14 seconds....."?
If so reply soon!
regards
Shazbd

Apr 28, 2008 | Computers & Internet

2 Answers

My computer keeps shutting down after it has been on for a while. this just started. What could be the problem and is there a fix for this?


sure there is a fix..can u tell me that does ur system heat up also along with the shutting down problwm..it can be an issue with the cpu fan

Apr 06, 2008 | Computers & Internet

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