
Removing the I/O board.............................................. 55
Prerequisites...........................................................................................55
Procedure...............................................................................................55
Replacing the I/O board...............................................57
Procedure............................................................................................... 57
Post-requisites........................................................................................57
Removing the heat-sink assembly................................58
Prerequisites...........................................................................................58
Procedure (discrete graphics card).........................................................58
Procedure (integrated graphics card).....................................................59
Replacing the heat-sink assembly................................ 61
Procedure................................................................................................61
Post-requisites.........................................................................................61
Removing the system board........................................ 63
Prerequisites........................................................................................... 63
Procedure............................................................................................... 64
Replacing the system board.........................................68
Procedure............................................................................................... 68
Post-requisites........................................................................................69
Removing the battery-connector board.......................70
Prerequisites........................................................................................... 70
Procedure............................................................................................... 70
Replacing the battery-connector board....................... 72
Procedure............................................................................................... 72
Post-requisites........................................................................................ 72
6