HP t820 Maintenance & Service Manual page 103

Flexible thin client
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mouse
cleaning 15
mouse, spare part number 7
mSATA drive
removal 35
spare part numbers 6, 35
N
numeric error codes 77
O
operating guidelines 13
overheating, prevention 13
P
power and IDE flash activity LEDs
71
power cord set requirements
country specific 90
power supply
operating voltage range 93
power switch assembly
removal and replacement 43
power-on diagnostic tests 73
power-on sequence 72
processor
removal and replacement 29
spare part number 6
product ID locations 4
PXE 83
R
rear fan
removal and replacement 47
spare part number 47
rear panel components 3
removal and replacement
access panel 18
antennas 49
drive cage 34
front bezel 19
front fan 25
graphics board 42
heat sink 27
hood sensor 36
power switch 43
processor 29
rear fan 47
Smart Cover Lock 30
solenoid lock 30
speaker 26
system board 44
WLAN tuner module 41
removing
battery 55
resetting the Administrator
password 73
restore 85
restoring the flash image 82
S
safety precautions
cleaning 14
screws, correct size 16
security
front bezel 20
serial number locations 4
service considerations 15
Smart Cover Lock
spare part number 30
software
servicing computer 15
solenoid lock
removal and replacement 30
spare part number 30
solid-state drive
removal 35
spare part numbers 35
spare part number
tamper-resistant wrench 16
Torx T-15 screwdriver 15
speaker
removal and replacement 26
spare part number 7, 8, 26
specifications
computer 93
memory 22
stand, spare part number 5, 8
static electricity 11
system board
removal and replacement 44
spare part number 5, 9
T
tamper-proof screws
tool 16
temperature control 13
tools, servicing 15
Torx T15 screwdriver 15
tower conversion 52
troubleshooting 79
U
updating a BIOS 86
V
ventilation, proper 13
W
Wake-on LAN (WOL) 72
WLAN module
removal and replacement 41
spare part number 41
Index
95

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