Lenovo ThinkCentre 7515 Maintenance Manual page 392

replacing (continued)
card reader 112, 149
diskette drive 112
front audio and USB assembly 119, 150
front fan assembly 113
hard disk drive 105, 136
heat sink and fan assembly 98, 142
internal speaker 117, 151
microprocessor 100, 144
optical drive 110, 137
power supply assembly 96, 140
rear fan assembly 115
system board 103, 147
RoHS 2
S
safety information 3
safety inspection guide 5
safety notices 7
security
enabling or disabling 51
selecting
startup device 51
temporary startup device 51
settings
advanced 52
changing 49
viewing 49
Setup Utility 49
Setup Utility program, starting 49
Setup Utility, exiting 52
starting the Setup Utility program 49
startup device 51
sequence, changing 52
temporary, selecting 51
Symptom-to-FRU index 53
system board
components, accessing 127
connectors 89, 129
locating parts 89, 129
location 89, 129
memory module 90, 130
system board, replacing 103, 147
T
temporary startup device 51
test results 47
tips, problem determination 43
U
undetermined problems 80
using
passwords 49
Setup Utility 49
V
viewing and changing settings 49
voltage-selection switch 5
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Hardware Maintenance Manual