HP t820 Maintenance & Service Manual page 102

Index
A
AC adapter
spare part number 5, 8
access panel
removal and replacement 18
spare part number 5, 8, 18
adding an image restore tool 85
antennas
removal and replacement 49
audible codes 74
B
basic troubleshooting 79
battery
disposal 16
battery replacement 55
beep codes 74
BIOS 86
updating 86
C
cautions
AC power 10
cables 16
electrostatic discharge 10
keyboard cleaning 15
keyboard keys 15
changing BIOS settings
in the REPSETUP utility 68
chasis types, illustrated 10
chassis fan
spare part number 8
cleaning
computer 14
mouse 15
safety precautions 14
computer
specifications 93
computer cleaning 14
94 Index
country power cord set
requirements 90
D
diagnostics and troubleshooting
71
disabling/enabling Wake-on LAN
(WOL) 72
disassembly preparation 17
diskless troubleshooting 80
drive cage kit
spare part number 7, 34
drive rail
removal and replacement 34
E
electrostatic discharge (ESD) 10
preventing damage 11
error
codes 74
messages 77
F
fan
spare part number 7, 8
fiber NIC assembly
installing 37
spare part number 8, 37
flashing LEDs 74
formatting a flash drive 83
front bezel
removal and replacement 19
security 20
spare part number 5, 8, 19
front fan
removal and replacement 25
spare part number 25
front I/O assembly
spare part number 7
front panel components 2
G
graphics board
removal and replacement 42
grounding methods 12
H
heat sink
removal and replacement 27
spare part number 7, 27
hood sensor
removal and replacement 36
spare part number 8, 36
I
image restore tool 85
installing
battery 55
memory 22
K
keyboard
cleaning 14
spare part numbers 7
L
LEDs 71
blinking power 74
locks
front bezel 20
M
memory
installation 22
socket population 23
specifications 22
memory modules
spare part number 5, 8, 22