hello acer aspire 5100 keyboard and touch pad dont work .i have changed the kb910q kbc controller ic still does not work checked all the tracks to the kbc ic to keyboard connector all ok .also changed the bios still same problem.also changed the capacitor to gnd with keyboard connector is there anything else to be checked .thanks

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repairs of laptops and selling of components

ATI SB460. Replase.

what signal from sb460 goes to kbc 910q are they any specific signal for keyboard data and clock .

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repairs of laptops and selling of components

Don't think about this - replace SB460 - it's standart problem with Acer 5100 - keyboard, sound, USB.