Service manual

Troubleshooting Your Computer: Dell Latitude CP
Shutdown failure A chip on the system board may
be malfunctioning.
Run the System Set test group in
the Dell Diagnostics. (For
instructions, see
Running the
Dell Diagnostics.)
Time-of-day clock lost
power
Data stored in NVRAM has
become corrupted.
Connect your computer to AC
power 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 (as described
in
Using the System Setup
Program). If the message
reappears, Call Dell for technical
assistance. (For instructions, see
Getting Help.)
Time-of-day clock stopped The reserve battery that
supports the data stored in
NVRAM may be read.
Connect your computer to AC
power to charge the battery. If
the problem persists, call Dell for
technical assistance. (For
instructions, see
Getting Help.)
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
Using the
System Setup Program.)
Timer chip counter 2 failed A chip on the system board may
be malfunctioning.
Run the System Set test group in
the Dell Diagnostics. (For
instructions, see Running the
Dell Diagnostics.)
Unexpected interrupt in
protected mode
The keyboard controller may be
malfunctioning, or an installed
memory module may be loose.
Run the RAM test group and the
Keyboard Controller Test in the
Dell Diagnostics. (For
instructions, see Running the
Dell Diagnostics.)
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