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MY IBM_LENOVA- Computer shuts down perodically whther I am working on it or not and then restarts on its own

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  • Lenovo Master
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Hi.

If the laptop is turning off when idle, then check power saving settings, accessible from control panel.

If laptop turns off while you are using it, try first reinstalling thesystem to exclude system problems, or test the laptop starting OS from cd or staying in Bios settings mode, so to exclude installed system.
If laptop is still shutting down, then problem may be overheating.
Overheating usually happens when the fan is not coming ,therefore when the computer overheats.Or the fan is not cooling enoughand computer is overheating.

Monitor computer temperature using a software check if Fan is coming up when temperature gets critical.

If fan comes up but does not cool enough, then replace the fan, it is not efficient anymore because of a bad bearing or dust. ~Also ensure that fan is wellmounted, if fan has poor contact with CPU surface , cooling will bepoor.

If fan does not come up, and critical temp is not detected, then the sensor on the main board is bad, this is very uncommon. When this happens the problem is usuallyrelated to system or power settings , rather than overheating.

If fan does not come up and temp is critical, then fan is faulty, replace it.

Thereare also more than one fan on many laptops, check that one of the fans(CPU fan, video fan) is not completely ded, and therefore cause for theproblem.

By using the software below you can also find out ifthe problem is really overheating. If temperature results within normalrange, then usually it is not overheating.In that case test system andcheck power saving settings.

Here is the software to control your fan and temp. sensor state:

Download SpeedFan - Access temperature sensor in your computer

Download SpeedFan 4.38

SpeedFan - Free software download

Posted on Nov 14, 2009

  • Ginko
    Ginko Nov 14, 2009

    I wanted to add, then when the laptop is restarting instead of turning off, it is often a Windows problem, often caused by viruses that affected computer in the past, or bad software installation that affected the operative system.

    In that case the solution is a Windows reinstall.

    Save all data onto an external disk and do a Windows installation.

    Regards.


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