Apple PowerBook G3 - Manual (Page 76)

m Reinstall your printer software.
m Reset the parameter RAM. (See “The Computer Makes an Unusual Sound
at Startup, or You See a ‘Sad Macintosh’ Icon,” in the section “Problems
Starting Up the Computer” earlier in this chapter for instructions.)
SCSI equipment and SCSI disk mode
External SCSI equipment doesn’t work, or a hard disk icon does not appear on
the desktop.
m You may not be able to use password protection with your PowerBook in
SCSI disk mode. Turn password protection off in the Password Security
control panel.
m Check that all cables are connected securely, that the devices are plugged
into working outlets, and that the devices are turned on.
IMPORTANT Make sure that all equipment is turned off before connecting or
disconnecting cables.
m Make sure that you turn on SCSI equipment before you start up the
PowerBook.
m Check that each connected SCSI device has a unique ID number
between 0 and 6.
m Make sure that SCSI cable terminators are correctly positioned. Follow the
instructions in “Connecting SCSI Devices” in Chapter 3.
You can’t turn on the computer after connecting a SCSI device.
m Turn on the SCSI equipment first, and then turn on the computer.
m Try disconnecting the SCSI equipment to determine if the computer will
start up. If not, see the beginning of this chapter.
When you start up using SCSI disk mode, the desktop appears.
When you use SCSI disk mode, the computer should display an icon with a
number in it.
76 Chapter 5