Procedure.............................................................................................................................................................................54
25 Replacing the graphics-card fan................................................................................................ 56
Procedure.............................................................................................................................................................................56
Post-requisites.....................................................................................................................................................................57
26 Removing the processor fan...................................................................................................... 58
Prerequisites........................................................................................................................................................................ 58
Procedure.............................................................................................................................................................................58
27 Replacing the processor fan...................................................................................................... 59
Procedure.............................................................................................................................................................................59
Post-requisites.....................................................................................................................................................................59
28 Removing the heat sink.............................................................................................................60
Prerequisites........................................................................................................................................................................ 60
Procedure.............................................................................................................................................................................60
29 Replacing the heat sink............................................................................................................. 61
Procedure..............................................................................................................................................................................61
Post-requisites......................................................................................................................................................................61
30 Removing the I/O board............................................................................................................ 62
Prerequisites........................................................................................................................................................................ 62
Procedure.............................................................................................................................................................................62
31 Replacing the I/O board.............................................................................................................63
Procedure.............................................................................................................................................................................63
Post-requisites.....................................................................................................................................................................63
32 Removing the display assembly..................................................................................................64
Prerequisites........................................................................................................................................................................ 64
Procedure.............................................................................................................................................................................64
33 Replacing the display assembly..................................................................................................69
Procedure.............................................................................................................................................................................69
Post-requisites..................................................................................................................................................................... 72
34 Removing the system board.......................................................................................................73
Prerequisites.........................................................................................................................................................................73
Procedure............................................................................................................................................................................. 73
35 Replacing the system board.......................................................................................................77
Procedure............................................................................................................................................................................. 77
Post-requisites.....................................................................................................................................................................80
Entering the Service Tag in the BIOS setup program.................................................................................................... 80
36 Removing the power button with fingerprint reader.....................................................................81
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