Lenovo 3120 Personal Computer User Manual


 
installing options
memory module 17
PCI card 18
security features 53
internal drives 1
internal speaker, replacing 44
K
keyboard
replacing 51
L
Lenovo Customer Support Center 77
Lenovo Solution Center 70
Lenovo ThinkVantage Toolbox 71
Lenovo ThinkVantage Tools 75
Lenovo Web site 76
Lenovo Welcome 5
locating components 10
M
media, creating and using recovery media 55
memory module 1
installing, replacing 17
system board 17
microphone connector 9
microprocessor 1
replacing 41
mouse
cleaning 72
non-optical 72
optical mouse 72
replacing 51
N
non-optical mouse 72
notice, television output 80
notices 79
O
Online Books folder 75
opening computer cover 14
operations, backup and recovery 56
optical drive, installing or replacing 30
optical mouse 72
P
parts replacement, completing 52
password
considerations 62
erasing 54
lost or forgotten 54
setting, changing, deleting 62
password protection 53
PC-Doctor for DOS 71
PCI card 18
installing, replacing 18
physical specications 4
power supply
features 2
power supply assembly
replacing 36
power-on password 62
power-on self-test (POST) 65
programs, updating system 65
protection, password 53
PS/2 keyboard connector 9
PS/2 mouse connector 9
purchasing additional services 78
R
rear connectors 7
recovering
from a POST and BIOS update failure 66
software 55
recovery
Boot-block Recovery 66
operations, backup and 56
problems, solving 59
recovery media, creating and using 55
reinstalling
device drivers 59
removing, reinstalling
front bezel 15
replacing
battery 26
hard disk drive 27
heat sink and fan assembly 33
keyboard 51
microprocessor 41
mouse 51
power supply assembly 36
Rescue and Recovery 55
workspace, Rescue and Recovery 57
Rescue and Recovery workspace 57
resources, information 75
S
safety iii
safety information 76
security
cable lock 53
enabling or disabling 62
features 2, 53
selecting
startup device 63
temporary startup device 63
serial port 9
service
and help 77
getting 75
Lenovo Customer Support Center 77
84 ThinkCentre User Guide