DEC a-Series Installation And Setup Manual page 37

Table 3-2: Disk Drive Troubleshooting
Problem
Hard disk drive cannot read
or write information.
C:
Floppy drive cannot read or
write information.
Possible Cause
Incorrect SCSI drive ID
settings.
Loose or incorrectly
installed cables.
Disk drive is not correctly
formatted or partitioned.
External drive not powered
up.
Floppy diskette is not
formatted.
Floppy diskette is wrong
density.
Floppy diskette is worn or
damaged.
Floppy diskette is write
protected.
Floppy drive is empty.
Floppy drive power or data
cable not connected.
Floppy drive data cable
connector installed
backwards.
Troubleshooting
Action
Set the SCSI ID.
Refer to the disk drive installation
instructions.
Make sure all cables are correctly
installed.
Format and partition as required using
the supplied operating system.
Turn on the external drive.
Format the floppy diskette.
Use a floppy diskette of the proper
density for your drive.
Try another floppy diskette.
Slide the write-protect switch so the
hole is not visible.
Insert a floppy diskette.
Connect floppy drive power or data
cable.
Install floppy drive data cable
connector correctly.
Installation and Setup Guide 3–9