Lenovo ThinkCentre A58 Hardware Maintenance Manual page 145

Index
A
Access Help 40
Administrator Password 52
audio line-in connector 88
audio line-out connector 88
B
battery, replacing 99
beep symptoms 78
BIOS, updating (flashing) 134
boot error, hard disk drive 55
Boot-block Recovery 134
C
changing
startup device sequence 54
components, internal 89
computer cover
removing 90
computer cover, reinstalling 118
connector description 88
connectors
front 86
rear 87
considerations, password 52
CRU
completing the installation 118
completing the replacement 118
D
diagnostics 45
E
electrical safety 3
electrostatic discharge-sensitive devices 6
environment, operating 41
error codes, diagnostic 56
error codes, POST 79
Ethernet connector 88
exiting, Setup Utility 54
F
failure, recovering from POST/BIOS update 134
flashing BIOS 134
front audio and USB assembly, replacing 117
front bezel
removing, reinstalling 92
front connectors 86
G
general checkout 43
grounding requirements 7
© Copyright Lenovo 2009
H
heat sink and fan assembly
replacing 102
help
Access Help 40
I
important safety information 1
installing, replacing
memory module 94
PCI card 96
secondary hard disk drive 111
L
Lenovo System Toolbox 45
Lenovo ThinkVantage Toolbox 45
Lenovo ThinkVantage Tools 39
locating components 89
M
memory module 94
installing, replacing 94
microphone connector 88
microprocessor
replacing 104
miscellaneous error messages 81
O
Online Books folder 39
optical drive
replacing 114
P
parallel port 88
parts replacement, completing 118
password
considerations 52
setting, changing, deleting 52
PC-Doctor for DOS 46
PC-Doctor for Rescue and Recovery 46
PCI card 96
installing, replacing 96
slots 96
PCI card latch 97
physical specifications 41
power supply assembly
replacing 100
power supply problems 55
Power-On Password 52
primary hard disk drive
replacing 109
139