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I bought a used Toshiba Satellite P35 motherboard. I have it wirking fine except the fans start blowing on high when I plug in the power and never stop or even slow down. I changed out the fans but it made no difference. When I mash the start button the light comes on as it should and the laptop starts up going to windows XP. The fans never slow down or stop even when I turn the laptop off with the start button. They only stop when I pull the power plug. Any suggestions?? Jim Jackson

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  • amfriction Sep 09, 2010

    No, I cannot tell you what it came out of and it did not have a CPU. The CPU I put into it came out of a S609 and has a speed of 3.20 GHz. They all look the same to me except some has different CPU's in them. It is not out of a S6292 because they have a additional cooling attachment and this board does not have it.

  • amfriction Sep 11, 2010

    Thanks a lot for the info.
    Jim Jackson

  • amfriction Sep 11, 2010

    Thanks a lot for the info.
    Jim Jackson

  • amfriction Sep 11, 2010

    I tried but it said my bios were already up to date. Fans still blow hard all of the time. Thanks,
    Jim J.

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Hello Jim,

Check the BIOS setup / Toshiba Configuration for fan control. There are different options for when using the adapter.

But, they should turn off when the computer shuts down. You are likely looking at a fan controller failure, which is part of the power control. This board is replaceable, if memory serves.

Try contacting sparepartswarehouse.com and drilling down to your particular model.

Posted on Sep 10, 2010

  • Sheldon Dedek Sep 11, 2010

    I did some more research on your particular board, it looks as if the power control and the motherboard are 1 piece, the power control is not a replaceable unit.

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Hi Jim,

http://www.csd.toshiba.com/cgi-bin/tais/support/jsp/home.jsp

Go to this page and select the exact model of P35 (there are many) and then click the red GO button. You will arrive at your laptop's driver resources. Be sure to select the right Operating System and then choose the most recent BIOS download for your laptop (by date), download it and install it per instructions.

That should calm those fans right down. It would be a very good idea to read the descriptions of the other drivers there and load a number of them to make your machine operate correctly.

Regards

Posted on Sep 11, 2010

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Can you please tell me the Exact Model Number for the motherboard? i.e. P35-??????

Posted on Sep 09, 2010

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