Index - Lenovo 90AT Hardware Maintenance Manual

Index

A
Administrator, password 56
B
basic troubleshooting 35
battery, replacing 79
BIOS settings, changing 59
Boot-block Recovery 99
C
changing
password 56
startup device sequence
CMOS, clearing 57
components, internal 68
computer cover
removing 74
computer cover, reinstalling
connectors
rear 68
connectors, controls, indicators
front 67
considerations, passwords
CRU
completing the installation
CRUs (Customer Replaceable Units), returning defective
D
deleting a password 56
devices, handling static-sensitive
diagnostics, troubleshooting
drives
bays 72
specifications 72
E
environment, operating 29
exiting, Setup Utility 59
F
failure, recovering from a POST and BIOS update
flashing the BIOS 98
front
connectors, controls, indicators
front audio and USB assembly, replacing
front bezel
front bezel, removing 75
front bezel, reinstalling 75
FRU locations 68
© Copyright Lenovo 2014
58
95
56
95
73
35
99
67
94
FRU part numbers
FRUs, replacing
H
hard disk drive, replacing
heat sink and fan assembly, replacing
I
Identifying FRUs
installing
operating system
installing options
memory module
PCI card 76
L
Lenovo Solution Center
locating components
looking up part numbers
M
memory module
installing, replacing
68
system board
microprocessor
replacing 87
O
optical drive, replacing
Optional-service CRUs
P
part numbers 1, 67, 70
parts replacement, completing
password
Administrator
considerations
Power-On Password
setting, changing, deleting
passwords
erasing 57
lost or forgotten
passwords, using
PCI card 76
installing, replacing
slots 76
physical specifications
power supply assembly, replacing
1, 67, 70
73
92
84
68
59
80
53
68
1, 67, 70
80
80
82
68
95
56
56
56
56
57
55
76
29
86
103