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Laptop Compaq Presario 2700 Keyboard & Mousepad lost at all

I had a problem with the heat sink of my Compaq Presario 2700. Heat sink detached from motherboard. Well I just got 4 screws, push them from outside thru the plastic case under the motherboard and thru some ALREADY made holes to attach them to the heat sink. (Just in case... I didn´t made any holes or breaked or pushed the motherboard) Well at the end PROBLEM SOLVED. The heat sink works great, smoothly and no noise at all.

BUT NOW my keyboard and mousepad doesn´t work AT ALL. Drivers are OK, No problems reported at the Device Manager List. For Windows XP SP2 everythings is OK... BUT the fact is that my keyboard and mousepad doesn´t work at all. Not even from the very very start. I am not even posible to enter BIOS. The only way I can work with the laptop is to plug a USB external Keyboard & Mouse. There was when I discovered that when entering the BIOS (with the external USB keyboard & Mousepad) the BIOS post an ERROR 0222: Keyboard Error. Can anyone help me with this problem please ???

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  • garettc Dec 13, 2008

    Same problem. Fixed the heat sink problem, but then no pointer or keyboard functionality. I don't see how it could be related to a third layer in the MB as it was a metal post that went through the MB and was soldered in place.

    I am anxious to know if the plastic screw thing worked.


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I read somwhere that most motherboards have a third layer of conductors laminated in the middle of board.It could be possible that you are shorting out something there. Take the screws out and try it without the heatsink for a minute or so. Most big DUI stores sell plastic screws in their hardware areas. These will work no problem.

Posted on Nov 29, 2008

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