recovery
boot
block
43
replacing
battery
23
hard
disk
drive
28
heat
sink
26
resources,
information
3
riser
card
14
S
safety
1
security
cable
lock
45
features,
installing
serial
connector
7
static-sensitive
devices,
handling
4
system
board
components,
accessing
13
connectors
9
identifying
parts
location
T
television
output
notice
48
trademarks
U
updating
(flashing)
BIOS
USB
50
ThinkCentre
Hardware
Installation
and
Replacement
Guide