Dell Inspirion 3656 Service Manual page 5

25 Replacing the power-button module.......................................................................................... 45
Procedure............................................................................................................................................................................. 45
Post-requisites.....................................................................................................................................................................45
26 Removing the chassis fan..........................................................................................................46
Prerequisites........................................................................................................................................................................ 46
Procedure............................................................................................................................................................................. 46
27 Replacing the chassis fan.......................................................................................................... 48
Procedure............................................................................................................................................................................. 48
Post-requisites.....................................................................................................................................................................48
28 Removing the front-panel light board......................................................................................... 49
Prerequisites........................................................................................................................................................................ 49
Procedure............................................................................................................................................................................. 49
29 Replacing the front-panel light board......................................................................................... 51
Procedure..............................................................................................................................................................................51
Post-requisites......................................................................................................................................................................51
30 Removing the power-supply unit................................................................................................52
Prerequisites........................................................................................................................................................................ 52
Procedure............................................................................................................................................................................. 52
31 Replacing the power-supply unit................................................................................................ 54
Procedure............................................................................................................................................................................. 54
Postrequisites...................................................................................................................................................................... 54
32 Removing the processor fan...................................................................................................... 55
Prerequisites........................................................................................................................................................................ 55
Procedure.............................................................................................................................................................................55
33 Replacing the processor fan...................................................................................................... 57
Procedure............................................................................................................................................................................. 57
Post-requisites..................................................................................................................................................................... 57
34 Removing the heat sink............................................................................................................. 58
Prerequisites........................................................................................................................................................................ 58
Procedure.............................................................................................................................................................................58
35 Replacing the heat sink............................................................................................................. 59
Procedure.............................................................................................................................................................................59
Post-requisites.....................................................................................................................................................................59
36 Removing the system board...................................................................................................... 60
Prerequisites........................................................................................................................................................................ 60
Procedure.............................................................................................................................................................................60
Contents 5