N
network problems 91
O
operating guidelines 21
optical drive problems 94
overheating, prevention 21
P
PCI Express pin assignments 65
POST error messages 69
power cord set requirements
country specific 68
power problems 76
power supply
fan 23
removal and replacement 59
power switch assembly, removal
and replacement 49
preparation for disassembly 26
printer problems 87
problems
audio 85
CD-ROM or DVD 94
diskette 76
Drive Key 96
front panel 97
general 73
hard drive 79
hardware installation 90
Internet access 98
keyboard 88
Media Card Reader 80
memory 93
monitor 82
mouse 88
network 91
power 76
printer 87
processor 94
software 99
processor
problems 94
removal and replacement 52
R
removal and replacement
access pannel 28
battery 55
expansion card 33
expansion slot cover lock 32
front bezel 29
front I/O panel 48
heatsink 51
memory 30
power switch assembly 49
processor 52
system board 54
system fan 50
S
safety and comfort 71
safety precautions
cleaning 22
SATA
connectors on system
board 15
data cable pinouts 15
hard drive characteristics 15
pin assignments 64
power cable pinouts 16
screws, correct size 24
SDRAM (synchronous dynamic
random access memory 30
service considerations 23
software
problems 99
servicing computer 23
spare part number
tamper-resistent wrench 24
Torx T-15 screwdriver 23
specifications
memory 30
static electricity 19
system board
removal and replacement 54
SATA connectors 15
system fan, removal and
replacement 50
T
tamper-proof screws
tool 24
temperature control 21
tools, servicing 23
Torx T15 screwdriver 23
U
USB pin assignments 61
V
ventilation, proper 21
W
Wake-on-LAN feature 91
102 Index