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Laptop shut down on its own

When i switch on my laptop it shuts down on its own after 15-20 min. if i continuously keep switching it on it shuts down immediately after 2-3 min

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  • HW_Dude
    HW_Dude May 11, 2010

    You definitely got a temperature problem. If the CPU fan runs full speed, yet your computer still shuts down, then there is poor thermal
    contact between the heatsink and the CPU chip.
    You may want to consider having the thermal pad replaced.

    Hope this helps



  • blueextc3221
    blueextc3221 May 11, 2010

    is the CPU fan running? - do you feel air coming out of the vent??

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  • 51 Answers

Classic case of overheating.

Turn over notebook and remove bottom covers. clean out heatsinks near the fan.


The fan usually looks very clean, but look inside the fan housing and you'll probably find a blanket of lint/dust completely blocking the air passageways (even if they look clean from the outside).

If you remove the heatsink off the chips make sure you put on new thermal paste.

Some models it is very easy to get to the fans, others you have to fully disassemble the notebook

You could also try cleaning it out from the outside with an aircompressor, just leave it off for a day in case the is any moisture in the aircompressor lines. This may fix it but if its really clogged, you will need to open the unit and manually clean it.

HTH
JoshAU

Posted on Jun 02, 2009

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