I have dell inspiron 1525 with windows 7 on it.
Today I just disassmbled the laptop cleand the dust and reassembled it.
But now some of the keyboard keys(1,a,q,z,c,d,e,Tab,F4) are not responding.
When I remove the keyboard from laptop and keep just the keyboard cable connected to laptop and then all keys respond properly.
But after fixing the keyboard on laptop key problem starts.
What might be the problem and how to rsolve this issue?