Dell Latitude LM - Manual (Page 39)

Troubleshooting Your Computer 3-5
Keyboard con-
troller error
The keyboard controller is
faulty. Call Dell for technical assistance. (For instructions, see
Chapter 5, “Getting Help.”)
Keyboard error If an external keyboard is
being used, a cable or con-
nector may be loose or the
keyboard may be faulty.
If using the built-in key-
board, the keyboard may be
faulty.
A key on the built-in key-
board may have been
pressed while the computer
was booting. Run the Stuck Key Test in the Dell diagnostics. (For
instructions, see Chapter 4, “Running the Dell Diagnostics.”)
Operating
system not
found
The operating system may
be corrupted. Or the operat-
ing system cannot be found
on the hard-disk drive or on
the diskette in the diskette
drive. Reinstall the operating system. See the documentation that
came with the operating system. If that fails to solve the
problem, call Dell for technical assistance. (For instructions,
see Chapter 5, “Getting Help.”)
Parity check 1
nnnn
A parity error was found in
the system bus at address
nnnn. Call Dell for technical assistance. (For instructions, see
Chapter 5, “Getting Help.”)
Parity check 2
nnnn
A parity error was found in
the I/O bus at address nnnn. Call Dell for technical assistance. (For instructions, see
Chapter 5, “Getting Help.”)
Real time
clock error
The CMOS battery that
supports data stored in
NVRAM may be dead. Call Dell for technical assistance. (For instructions, see
Chapter 5, “Getting Help.”)
Shadow RAM
failed at off-
set: nnnn
Shadow RAM failed at
address nnnn. Call Dell for technical assistance. (For instructions, see
Chapter 5, “Getting Help.”)
CMOS battery
is dead—
Replace and
run Setup
The CMOS battery does not
have enough charge to
power the computer. Call Dell for technical assistance. (For instructions, see
Chapter 5, “Getting Help.”)
System cache
error—cache
disabled
The primary cache internal
to the microprocessor has
failed. Call Dell for technical assistance. (For instructions, see
Chapter 5, “Getting Help.”)
Table 3-2. System Error Messages (Continued)
Message Cause Action
NOTE: For the full name of an abbreviation or acronym used in this table, see the Glossary in the online System User’s Guide.