power switch 5
power-on self-test 85
power-on, status indicator 8
power, security 30
problems
a number appears after typing an alphabetic
character 88
blank screen with a continuous beep 95
blank screen with no beep 94
blank screen with one beep 94
blank screen with two or more beeps 95
computer keyboard 88
external display (CRT) 89
external keyboard 91
external numeric keypad 91
external numeric keypad keys do not work 91
IBM option does not work 96, 97
intermittent 93
keyboard keys do not work 88, 91
LCD 94
mouse does not work 92
only the cursor appears 95
options 96
PC card does not work 98
pointing device 91
pointing device does not work 92
printer 99
printer does not work 99
screen is blank 89
screen is distorted 90, 95
screen is unreadable 90, 95
security lock key 99
status indicator 99
ThinkPad hard disk 99
wrong characters appear on the screen 90, 95
XXXXX KB OK and computer hangs 100
procedures
1-inch-high device, installation 46
1-inch-high device, removal 51
adapter card, installation 57
adapter card, removal 60
blank bezel for drives, installation 69
blank bezel for drives, removal 69
blank bezel for ISA adapter card, installation 70
blank bezel for ISA adapter card, removal 70
half-high device, installation 52
half-high device, removal 56
PCMCIA card lock bar, installation 33
top cover, installation 66
top cover, removal 64
R
rear view 6
releasing latch in the compartment 71
repair, getting service 101
right speaker 7
rules
docking the computer 16
undocking the computer 16
rules of docking and undocking 16
S
SCSI
controller 73
device driver 115
support software 115
SCSI device, external 62
securing
Dock II 32
PCMCIA cards 33
Index
151
Title: C78JAMST CreationDate: 05/06/94 19:15:58
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