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Unexpected shutdown Computer unexpectedly shuts down. It happens most often when there is a lot of disk access. Is it overheating? The fan runs, but do I need to replace the fan and heatsink?

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How long since you cleaned , ck fan for cabinet and carefully remove processor fan clean fan and take a small soft brush to sinc fins while you vac or blow a can of pressurized air until you sure clean reassemble try again could be heat you will know more when you see how much dirt is inside

Posted on Dec 23, 2008

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Why is my acer aspire shutting down


If you're running Windows go into Control Panel and check Event Viewer. Look under Windows, System, and look at any Warnings (Yellow triangles with exclamation marks) If you're seeing error codes you can look those up; if "unexpected shutdown" shows up a lot your laptop could be overheating or it may be a power issue.

Aug 27, 2014 | Computers & Internet

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Samsung Laptop Shuts Down Unexpectedly


It may be overheating. Try using a vacuum cleaner hose on the air vents, that will help to clear the ventilation for the radiator.

Jan 18, 2014 | Samsung Computers & Internet

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How to fix unexpected shutdown due to Blue screen problem of Pavilion HDX9494NR


See if the Check disk utility will solve your problem. To run the check disk utility you will need a repair disc ora operating system disc. Put the disc in the cd drive and boot fromit. You want to get to the Dos Command Prompt (Black screen with whiteletters) and type the following command: chkdsk /r
Check disk will run well over an hour or two and you will notice thepercentages going from high to low, this is normal. Let it run tocompletion. Then reboot machine.

If check disk fails to solve your problem you might have to reinstall windows.Try doing a Repair Install that way you don't loose your data, documents,music, pictures, videos or programs.

In windows xp you get to the dos command prompt by selecting R for repair whenthe options appear.

In Vista and Windows 7 you want to get to the recoveryconsole and look down at the bottom of the window for the Dos Command.

Mar 31, 2012 | HP Pavilion HDX9494NR Notebook PC

1 Answer

Unexpected shutdowns


Unexpected shutdowns could be an overheating problem.
When the CPU overheats then it will shut down (i.e. thermaloverload) and won't boot up again until it has cooled down. If this is theproblem is not fixed then the CPU will eventually fail.
A faulty fan causes the problem or the fan and heat sink assembly are cloggedwith dust.
Check the CPU fan to see if it spins freely, if not replace the fan.
If the fan and heat sink is clogged with dust the remove the dust and make surethe vents are clear and dust free. Use a can of compressed air to do this.

Apr 27, 2011 | Toshiba Computers & Internet

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 -...

2 Answers

Computer shuts down by itself


There can be many reasons of unexpected shut down of your system.Below are some remedies to solve it

1
Run an anti-spy ware and anti-virus utility to make sure that the shutdowns aren't being caused by a malicious program. If the shutdowns are infrequent, install a CPU temperature monitor utility to keep track of the CPU's temperature. If the CPU is overheating, or the shutdowns are frequent, then you will need to troubleshoot your computer's internal components.

2
Check any recently installed internal components to ensure that they are properly connected to the computer's motherboard. Make sure any new expansion cards or memory modules are securely seated in their slots, and ensure that the power and data cables are properly connected to any new drives.

3
Check for large dust buildups on your CPU fan. If the fan isn't effectively cooling your CPU, the overheating CPU will cause your computer to power off. Carefully pick away large pieces of dust with your fingers, and then spray the CPU fan with a can of compressed air to remove the rest of the dust.

4
Reapply the heat sink compound between the CPU and heat sink if the computer continues to turn off unexpectedly. Heat sink compound is a pasty substance that fills the space between the heat sink and processor, which increases the heat sink's ability to absorb heat from the CPU. But worn heat sink compound won't properly redirect heat away from the CPU. Power down your computer, disconnect its power cables and open the case. Unplug the CPU fan's power cable from the motherboard, remove the heat sink and fan combination from the CPU, and then apply the heat sink compound to the CPU--refer to your product manuals for details on reapplying heat sink compound.

Thanks .
Have a great day.

Oct 03, 2010 | Dell Inspiron 537s PC Desktop

3 Answers

How do I recover from an unexpected shutdown of my laptop?


Most unexpected shutdowns are from thermal signals from the processor or from a memory module failure. Get some cans of compressed air from an office supply store and with all power disconnected and the battery removed, use small bursts of air and blow out all the ventilation frills on the laptop, including all access doors and cd/dvd tray or slot. If it continues after the cleanout, try powering down and removing one memory module and run the laptop. If it dies not shut down, swap out the modules and try again. if it fails, then you know what the problem is.

Jul 07, 2010 | Computers & Internet

2 Answers

MY COMPUTER SHUTDOWN WHILE IT HAS A 60%REMAINING BATTERY. UNEXPECTED SHUTDOWN. MY LAPTOP CANT RESUME THE PROGRAMS RUNNING AND UNSAVED DOCUMENTS AFTER THE UNEXPECTED SHUTDOWN HAPPENS ..WHY MY OTHER LAPTOP...


If the Computer restarts randomly, then the issue might be due to any damaged Operating System Files.
But, if the Computer shuts down randomly, it is due to the Processor.
All the Processors will be designed in such a way that, if there is any overheating issues, the Computer will shut down randomly.
The overheating might occur due to the malfunction of the Cooling Fan in the Computer.
As this is a overheating issue, it would be better to get the Unit examined at the Service Center.
Replacing the Cooling Fan in the Computer should resolve the issue.

Jul 05, 2010 | Computers & Internet

1 Answer

Acer aspire 5000 unexpected shutdowns, random, fan running.


Hello

Thank you for using FixYa.

Have you cleaned out the airvents and fan area. these build up with dust and if the unit gets too hot it will shut down unexpected

Also always use on a hard surface so the airvents are kept clear

thanks
Richard

Nov 17, 2009 | Acer Aspire 5100-3357 Notebook

1 Answer

Cuts off unexpectively


In the control panel, there is an icon for power settings. Set the fan for maximum cooling. Make sure the exhaust ports on the computer are blown out. Don't use the computer on a soft surface.

Feb 20, 2009 | Acer Aspire 9410 Notebook

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