A1286 touchpad issue after installation


hi,

i've bought 1 touchpad macbook pro 15" a1286, after installation seems not work perfectly.
installation went smoothly. however, track pad behaves in bizarre fashion, stops tracking, , works little, mac flips out multiple keys pressed, , cursor moves on own.

did meet before? how can fix situation?

thx .
 

which mbpro have? a1286 model number shared 7 different 15-inch mbpros, late 2008 mid 2012. think each has different part number trackpad.
why did need replace original trackpad?

sounds trackpad connector may not seated properly.
need reseat trackpad connector on logic board.
trackpad , keyboard both use usb bus connection. double check seating keyboard when reseat trackpad connector.

replacement trackpad used (pulled mbpro), or new (never used before)? have read few times replacing trackpad used trackpad (pulled macbook pro) may not succeed. i'm not sure if correct, fact there several part numbers may mean have careful use replacement.
also, trackpad 1 of parts apple's service manual can out tips replacement.
 


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