HP ProDesk 680 G4 PCI MT Maintenance And Service Manual page 129

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M
media card reader
problems 72
memory
nonvolatile 111
problems 86
volatile 111
memory card reader 2
memory module
removal and replacement 43
microphone jack 2
monitor problems 73
mouse
cleaning 27
problems 80
N
network jack 3, 4
network problems 83
nonvolatile memory 111
numeric error codes 90
O
operating guidelines 25
optical drive
removal and replacement 31
optional port port 3, 4
overheating, prevention 25
P
password
clearing 97
power-on 97
setup 97
passwords 100
ports
optional port 3, 4
serial 3, 4
USB 2
USB 2.0 with Wake from S4/S5 3,
4
USB SuperSpeed 2, 3, 4
USB Type-C charging 2
USB with HP Sleep and Charge 2
POST error messages 90
power button 2
power cord connector 3, 4
power cord set requirements
country specific 118
power problems 69
power supply
operating voltage range 119
removal and replacement 29, 45
Power-On password 100
power-on password 97
printer problems 79
problems
audio 77
Computer Setup 66
F10 Setup 66
flash drive 87
front panel 88
general 66
hard drive 70
hardware installation 82
Internet access 88
keyboard 80
Media Card Reader 72
memory 86
monitor 73
mouse 80
network 83
power 69
printer 79
software 89
processor
removal and replacement 47
R
rear panel components 3
removal and replacement
access panel 30
connector board 51
drive cage 38
dust filter 33
fan 40
fan-sink 46
front bezel 34
hard drives 35
hood sensor switch 39
memory module 43
optical drive 31
power supply 29, 45
processor 47
speaker 44
system board 49
removing
battery 108
removing personal data from volatile
system memory 111
resetting
CMOS 97
password jumper 97
RJ-45 jack 3, 4
S
safety and comfort 64
safety precautions
cleaning 26
screws, correct size 27
serial port 3, 4
service considerations 27
Setup password 100
setup password 97
slim optical drive
location 2
software
problems 89
servicing computer 27
solid-state drive
removal 42
spare part numbers 42
speaker
removal and replacement 44
specifications
computer 119
static electricity 23
system board
removal and replacement 49
system memory, removing personal
data from volatile 111
T
temperature control 25
tools, servicing 27
Torx T-15 screwdriver 27
U
USB 2.0 port with Wake from S4/S5
3, 4
USB port 2
USB port with HP Sleep and Charge
2
USB SuperSpeed port 2, 3, 4
USB Type-C charging port 2
V
ventilation, proper 25
Index 121

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