Lenovo ThinkCentre 2121 User Manual page 148

L
Lenovo Solution Center 114
Lenovo ThinkVantage Tools
Lenovo Welcome 115
locating components 12
M
media, creating and using recovery media
memory module
installing, replacing 35
system board 35
microprocessor
replacing 58
mouse, replacing 73
N
notices 119
O
operations, backup and recovery
optical drive, replacing 37
optical mouse
cleaning 95
P
parts replacement, completing
password
Administrator 86
considerations 86
Power-On Password 86
setting, changing, deleting
passwords
erasing 87
lost or forgotten 87
passwords, using 85
physical specifications 4
power
features 3
power switch board, replacing
power-on self-test (POST) 91
Power-On, Password 86
programs, updating system
purchasing additional services
R
rear connectors 10
rear WiFi antenna, installing or removing
recovering
from a POST/BIOS update failure
software 77
recovery
boot-block 92
operations, backup and
134
ThinkCentre User Guide
115
77
78
74
86
53
91
117
66
92
78
problems, solving 82
recovery media, creating and using
removing computer cover 33
replacing
battery 48
hard disk drive bracket 60
heat sink 55
microprocessor 58
power switch board 53
Rescue and Recovery 77
workspace, Rescue and Recovery
Rescue and Recovery workspace
resources, information 115
S
safety v
safety information 115
secondary hard disk drive, replacing
security
cable lock 26
enabling or disabling 87
features 3
selecting
startup device 88
temporary startup device
serial port 10
service
and help 116
customer support center
getting 115
services
other 117
purchasing additional 117
setting
password 86
settings
changing 85
viewing 85
Setup Utility 85
Setup Utility program, starting
Setup Utility, exiting 90
software
recovering 77
solving recovery problems
starting the Setup Utility program
startup device 88
sequence, changing 88
temporary, selecting 88
static-sensitive devices, handling
system
management 2
programs 91
system board
connectors 13
locating parts 13
locations 13
memory module 35
system fan, replacing 69
77
79
79
42
88
116
85
82
85
29