Apple Power Macintosh 7600/120 Series User Manual
Page 178
troubleshooting. See also error messages
application program problems 63, 85,
89–90
arrow pointer “freezes” on screen 24,
75–76, 87, 96
audio CD problems 95–96
CD-ROM disc problems 93–94
CD-ROM drive problems 84,
91–93, 119
computer’s clock keeps time
inaccurately 80
desktop looks unusual 92
diagnosing problems 76–77, 86
floppy disk problems 83–84, 134
hard disk problems 82–83, 103–108
icons don’t appear correctly on
desktop 82–83, 92–93
interference with radio or television
reception vi, 130
keyboard problems 88–89
memory problems 65, 66, 85, 90
mouse problems 87
network configuration problems 60
opening DOS documents on the
Macintosh 89, 90
performance decreases after adding
software 97
Photo CD problems 96
printer problems 98
problems turning on the computer 15
screen is dark 79
SCSI devices not recognized 80, 91
shared library problems 66, 90
startup disk problems 81, 83
system software problems 80–82,
86–88, 110
typing produces nothing on screen
88–89
turning off
the computer 23–24
control panels 85, 86
Easy Access 88
system extensions 63, 85, 86, 97
virus detection programs 63
turning on
the computer 12–15
external SCSI devices 57
Foreign File Access/Audio File
Access CD-ROM extensions 94
the monitor 12
system extensions 63, 97
virtual memory 85
tutorial 15–18
typing produces nothing on screen,
troubleshooting 88–89
U
umlaut (ü), typing 154
unlocking/locking the mouse 137–138
unsaved work, losing 24
updated software, obtaining 98–102
upgrading the processor 139, 150
Utilities folder
Disk First Aid 108, 111
Drive Setup 105, 107
V
ventilation around computer
components 129
ventilation openings on computer and
monitor 130
Video & Sound control panel 48
video cables 50–53
video camera, connecting for input
50–53
videocassette recorder (VCR), connecting
for input 50–53
video formats 48
video Out ports (on video equipment)
51–52
video RAM, expanding 58
virtual memory 65, 85
virus detection programs 63
167
Index