Troubleshooting Tools 83
NO BOOT DEVICE AVAILABLE — No bootable partition on hard drive, no bootable
floppy in floppy driver, the hard drive or floppy cable is loose, or no bootable device
exists.
• If the floppy drive is your boot device, ensure that a bootable floppy disk is in the
drive.
• If the hard drive is your boot device, ensure that the cables are connected and
that the drive is installed properly and partitioned as a boot device.
• Enter system setup and ensure that the boot sequence information is correct.
See "Entering System Setup" on page 170.
NO TIMER TICK INTERRUPT — A chip on the system board might be
malfunctioning or motherboard failure. See "Contacting Dell" on page 183 for
assistance.
NON-SYSTEM DISK OR DISK ERROR — Replace the floppy disk with one that has
a bootable operating system or remove the floppy disk from drive A and restart the
computer.
NOT A BOOT DISKETTE — Insert a bootable floppy disk and restart your computer.
USB OVER CURRENT ERROR — Disconnect the USB device. Use external power
source for the USB device.
NOTICE - HARD DRIVE SELF MONITORING SYSTEM HAS REPORTED THAT A
PARAMETER HAS EXCEEDED ITS NORMAL OPERATING RANGE. DELL
RECOMMENDS THAT YOU BACK UP YOUR DATA REGULARLY. A PARAMETER OUT
OF RANGE MAY OR MAY NOT INDICATE A POTENTIAL HARD DRIVE PROBLEM.—
S.M.A.R.T error or possible hard drive failure. This feature can be enabled or
disabled in the BIOS setup.
