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160 Solving Problems
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No boot sector on hard
drive
The system configuration
information in system setup may be
incorrect, or the operating system
may be corrupted.
Enter system setup, check the system
configuration information for the hard
drive, and if necessary, correct the
information.
If the message persists, reinstall your
operating system. See the documentation
that came with your operating system.
No timer tick interrupt A chip on the system board might be
malfunctioning.
Run the System Board Devices tests in the
Dell Diagnostics.
Non-system disk or disk
error
The diskette in drive A or your hard
drive does not have a bootable
operating system installed.
A nonbootable diskette is in drive A.
Either replace the diskette with one that
has a bootable operating system, or
remove the diskette from drive A and
restart the computer.
Not a boot diskette There is no operating system on the
diskette.
Boot the computer with a diskette that
contains an operating system.
Please connect USB
Keyboard/Mouse to USB
port 1 on the back of the
computer.
The USB keyboard and/or mouse
must be connected to the port 1 USB
connectors.
Turn your system off, connect the USB
keyboard and/or mouse to one of the
Port 1 USB connectors, and restart your
system. See "Back-Panel Connectors and
Indicators."
Plug and Play
Configuration Error
The system has encountered a
problem in trying to configure one or
more expansion cards.
Turn your system off and unplug it.
Remove all but one of the cards. Plug in
your system and reboot it. If the message
persists, the expansion card might be
malfunctioning. If the message does not
appear, turn off the power and reinsert one
of the other cards. Repeat this process
until you identify the card that is
malfunctioning.
Read fault
Requested sector not found
The operating system cannot read
from the diskette or hard drive.
The system could not find a
particular sector on the disk, or the
requested sector is defective.
See "Diskette Drive Problems" and "Hard
Drive Problems."
Reset failed The disk reset operation failed. See "Diskette Drive Problems" and "Hard
Drive Problems."
System Messages
(continued)
Message Cause Action