Service manual

Troubleshooting Your Computer: Dell Latitude CP
See Getting Help, for instructions.
Total Power Failure When Using the AC Adapter
If no signs of power are present in the computer when using the AC adapter, make a copy of
the Diagnostics Checklist found in Getting Help and fill it out as you complete the following
procedure.
1. Turn off the computer and peripherals. Disconnect the peripherals from AC power. If you
are using a surge protector, remove it. Remove any installed batteries.
2. Make sure the AC adapter is connected to the computer, and verify that the power cable
is firmly attached to the AC adapter and to the AC power source.
See
Checking Connections.
3. Turn on the computer. Does the green power indicator light up?
Allow one minute for the computer to initialize its components before checking for signs
of power.
Yes. The problem is resolved.
No. Continue to step 4.
4. Turn off the computer, and disconnect the AC adapter from its power source.
5. Connect another electrical device, such as a lamp, to the power source from which you
disconnected the AC adapter.
6. Turn on the electrical device. Does the device function properly?
If no other electrical device is available, continue to step 7.
Yes. Power is available at the power source. See
No power to a Part of the Computer.
No. Continue to step 7.
7. Connect the AC adapter to a different AC power source, and turn on the computer. Does
the green power indicator light up?
Allow one minute for the computer to initialize its components before checking for signs
of power.
file:///I|/SERVICE%20MANUALS/DELL%20MANU...0REF%20AND%20TROUBLESHOOTING/TROUBLE.HTM (28 of 45)6/21/2004 1:38:41 AM