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Internal keyboard and trackpad intermittently not working

Sometimes on boot up trackpad and keyboard will not work although a remote mouse plugged into USB port works ok but the keyboard still does not work.

If unit dropped about 3 inches on carpet (naughty i know ) works again, although sometimes stops working again whilst in use.

I suspect a loose cable/plug. Any ideas?

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trackpad socket on logic board broken away from soldered joints

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Yep, if you drop it and it works then a cable will be loose. Basically, make sure all the connections to the logic board featured in this guide are in properly.

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found trackpad socket had broken away from logic board on soldered joints

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