7650 key problem

HI,
I have a 7650 and one of the keys does not work. I have had the keypad out
and cleaned both the circuit board and the keypad but its still not working.
Do you have any suggestions as to what it could be.
Thanks for your time
LL

Sorry if this has been posted twice but not sure if it got through.

try to check the flatcable that connects the two boards.

i believe u nid 2 replace the flex cable of your fone, i used 2 have the same problem. the problem is mainly caused by the sliding feauture of the unit.