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When the fan over heats it just shut down unexpectidly is it best just to buy a new fan or is there a way to solve this?

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As you use your laptop, the CPU gets warm and the fan kicks in. If the CPU gets too hot, it will shut down as you have found.

Usually, the ventilation slots near to the CPU and CPU fan get clogged with fluff and dust. You need to clear this out.

Disconnect all power sources, turn the laptop upside down and remove any plate/covers that are easy to access.

Carefully blow/clear out any dust and fluff you can see, also try blowing into the ventilator slots. With luck this should clean it out well enough to keep your laptop running.

If not, you're getting into a dimantle scenario, taking more or less the whole thing apart and will neet CPU heat dispersal grease to re-assemble when clean.

Posted on Aug 21, 2010

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Sony Vaio has started shutting down unexpectedly. Restart in safe mode and run event log with no results returned. Shutdown and restart. Starts normally but then shuts down within 2 min. Repeat process,...


Your pc CPU FAN is not working, you need open it and clean fan,, and under fan, on CPU there is termo cream, don't frgot about it, you need clean it and put new termocream. it is nessasary for cool CPU, that Cpu can not be warm.

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Not sure it's the motherboard, but it shuts itself down. Bios reports that the CHS fan is not running. Don't know which one that is? Have cleaned the pc out good and reseated the processor with fresh...


The CHS fan is the chasis fan, this fan should be seated on the case somwhere, the best way to check this is to take the side panel of the pc and power it up to see if any fans are not working, if you find a fan that is not working turn back off and check the connector of the fan is connected properly to the motherboard connector and try again, if still the same you may have to invest in a new fan. They are relitively cheep to buy from your local pc store.

When installing the new fan ensure you place back into the case blowing out, not in, this way you will ensure the heat is being dispersed away from any heated componants.

Being as you have reseated the heat sink and cpu(processor)fan and changed the heat sink compond, as long as you fully covered the metal of the processor then that shouldnt be the problem of the shuting down. Because the bios knows it has a chasis fan it may shut down to protect the motherboard and componants.
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Heat related shut downs, dirty fan and heat sink? How to best clean?


Best is to get a compress air duster, you can disassemble your processor fan but be careful not to take it off. If you keep getting heat related shut downs try applying new thermal paste to your processor.

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AUTO SHUTTING DOWN WHEN LOADING WINDOWS


Hi there!
AMDs (some of them) have Overheating issues. Your default BIOS is set to protect the CPU chip in case of overheating. It will do so by shutting down the computer.
You can hold "delete" key on boot to enter BIOS. Go to "PC Health Status" or " Hardware monitor". Here if you see temperature exceeding 60 degrees or more, this mean it's OVERHEATING!
Now the first thing is to check if your CPU fan is running & is well secured with the lock. Try to move it to see if it's loose. Secure it properly to solve. If it's not running, you'll need to replace.
However if it's not the problem, remove the fan & its aluminum heat-sink with CARE. Then re-seat the heat-sink properly.
Note that a poor contact of CPU & heat-sink = Very Hot CPU & cold heat-sink.
If it's not the case, therefore remove the heat-sink & clean the old thermal paste on it & the Cpu chip also.
Apply proper thermal grease e'g Arctic Silver.
If the above does not solve the issue, you'll need to replace fan. (pls check with another one before buying a new one if possible)
Ultimately if the issue is not solved by the above, this means that the heat sensor on the motherboard is faulty. Here motherboard needs replacement or warranty services.
Hope this advice really helps you. Please remember to send us your valuable feedback as it's very important for us!

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The bracket clip that holds the fan down broke. Is there a fix or do I buy a new fan?


If you are innovative enough one can improvise by simply hold the fan to the heat sink with copper wire in case only one bracket is broken. The fan only requires to be on the heat sink to remove heat from the processor. Otherwise the fan & heat sink as one sealed unit only. Else try out the junk yard and see if you can hunt for one where PC's are dumped !

However if you want your PC to last for 2-3 yrs more, trouble-free, then my recommendation would be to replace the fan+heat sink unit, 'cos if the heat conducting paste between the processor & heat sink, if disturbed cannot be replaced to its original capacity & the processor will overheat and the PC will auto shut down repeatedly, till the processor is damaged permanently! .............................sodeep

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If your laptop cuts the power off (shuts down) from time to time that may be overheating problem. Dust is blocking the air outlets on the fan and processor cannot be cooled down properly. Thermal protection shuts your laptop down when it reaches some certain temperature. Most likely you will hear your fan spinning full speed before the shut down and the bottom of the laptop is hot.
Best solution is to take it apart, remove the fan and the heatsink, clean them thoroughly, apply new thermal compound and assemble the laptop. Easy solution (though not the best one)is to buy compressed air can and blow it through the vents of the laptop. It will help for some time but occasionally it will start again.

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Lately, my laptop (Winbook) has been overheating and shutting down. Any ideas?


3 possible causes for this:
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If when the laptop overheats, it just shuts down and doesn't freeze or lock up, it's most likely the Power Supply. If it just freezes/locks up, its much more likely that the problem lies with the motherboard. Hope this helps with your laptop problem. Best of luck.
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You need to clean it out with some compressed air.

Make sure the laptop is turned off of course.

If you still have heating issues, then you'll need to take it apart and put a new layer of thermal paste on the heat sink / cpu.

Best of luck!

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The Problem that you are having is that the heat sink is full of dust therfor the processor can cool down quick enoufgh so in result by safty it shuts the computer down. You need to clean all the dust out of the heat sink and this problem will be solved. 
Good Luck

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