Technical data

Troubleshooting
4-25
DIGITAL PC 3500/5510
Problem Possible Cause Action
Target diskette drive
cannot read or write
information.
Diskette is not formatted. Format the diskette.
Diskette is worn or damaged. Try another diskette.
Diskette is write-protected. Slide the write-protect switch so the hole is
not visible (3½-inch diskette) or uncover
the write-protect notch (5¼-inch diskette).
Diskette drive is empty. Insert a diskette.
Onboard diskette controller
disabled.
Run the BIOS Setup utility and set the
diskette controller option to “Enabled”.
Diskette write protection is
enabled.
Run the BIOS Setup utility and set the
diskette write protection to “Disabled.”
Loose cable connectors. Secure all cable connections.
Diskette drive has failed. Replace the diskette drive.
Diskette drive controller has
failed.
Replace the backplane.
Diskette drive ribbon cable has
failed.
Replace the ribbon cable.
Diskette access requires
supervisor password.
Reboot computer and enter supervisor
password. Afterwards, run BIOS Setup
utility and set “Diskette Access” option to
“User.”
Target diskette drive does
not format diskettes.
Diskette write protection is
enabled.
Run the BIOS Setup utility and set the
diskette write protection to “Disabled.”
Diskette drive has failed. Replace the diskette drive.