Acer Extensa 4120 Service Manual page 141

battery charge 10
Bluetooth 10
Caps Lock 10
HDD activity 10
Num Lock 10
ODD activity 7
power 10
WLAN 10
subwoofer
part number 89, 98
supervisor password
clear 20
S-Video/TV-out port
SWI dip switch
system switch 86
System
Block Diagram 83
system block diagram
system board
part number 90, 99
removing 54
system board layout
17
system date
system features
audio 2
communications 2
computing platform 1
display 2
graphics 2
I/O ports 3
keyboard 2
memory 1
operating system 4
power 3
status indicators 3
storage 1
utilities 4
system passwords
changing 20
clear HDD password 21
clear supervisor password 20
HDD password 18
lost password 20
power-on password 18
Index
18
8
83
84
reminders 19
removing 20
resetting 20
setting 19
status 18
supervisor password 18
user password 18
system security
system passwords 18
system specifications
environmental 4
industry standards 3
physical 4
security features 3
17
system time
system tour
base view 9
easy-launch keys 11
front view, close 6
front view, open 5
left view 7
productivity keys 12
rear view 8
right view 8
status indicators 10
4
system utilities
BIOS Flash Utility 24
Launch Manager 25
Phoenix TrustedCore Setup Util-
ity 13
T
27
torque values
touchpad
board, removing 50
bracket, part number 95, 104
cable connector 84
cable, part number 91, 100
location 5
troubleshooting 68
touchpad board
part number 90, 99
troubleshooting
AC adapter 67
battery pack 68
diagnostic procedure 65
131