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drive
No timer tick
interrupt
A chip on the system board may
be malfunctioning.
Run the System Set tests in the
Dell
Diagnostics.
Non-system
disk or disk
error
The diskette in drive A or your
hard-disk drive does not have a
bootable operating system
installed on it.
If you are trying to boot from the diskette, replace
it with one that has a bootable operating system.
Not a boot
diskette
There is no operating system on
the diskette.
Boot the computer with a diskette that contains an
operating system.
Optional ROM
bad checksum
The optional ROM apparently
failed.
Call Dell for technical assistance.
Sector not
found
The operating system cannot
locate a sector on the diskette or
hard-disk drive. You probably
have a bad sector or corrupted
FAT on the diskette or hard-disk
drive.
Run the appropriate utility to check the file
structure on the diskette or hard-disk drive. If a
large number of sectors are defective, back up the
data (if possible), and then reformat the diskette
or hard-disk drive.
Seek error
The operating system cannot find
a specific track on the diskette or
hard-disk drive.
If the error is on the diskette drive, try another
diskette in the drive.
Shutdown
failure
A chip on the system board may
be malfunctioning.
Run the System Set tests in the
Dell
Diagnostics.
Time-of-day
clock lost
power
Data stored in NVRAM has
become corrupted.
Connect your computer to an electrical outlet to
charge the battery. If the problem persists, try to
restore the data. To restore the data, press
<Fn><F1> to
enter the system setup program.
Then immediately exit it. If the message
reappears,
call Dell for technical assistance.
Time-of-day
clock stopped
The reserve battery that supports
the data stored in NVRAM may
be read.
Connect your computer to an electrical outlet to
charge the battery. If the problem persists,
call
Dell for technical assistance.
Time-of-day
not set-
please run
the System
Setup program
The time or date stored in the
system setup program does not
watch the system clock.
Correct the settings for the Date and Time
options. (For instructions, see "
System Setup
Program.")
Timer chip
counter 2
failed
A chip on the system board may
be malfunctioning.
Run the System Set tests in the
Dell
Diagnostics.
Unexpected
interrupt in
protected
mode
The keyboard controller may be
malfunctioning, or an installed
memory module may be loose.
Run the System Memory tests and the
Keyboard Controller test in the
Dell
Diagnostics.