No power, using ac adapter, No power, using battery – Dell Latitude C800 User Manual
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7. Turn off the computer, wait a few seconds, and then turn on the computer again. Does the
light appear?
Yes. Your computer is receiving power. Go to step 8.
No. Your computer is not receiving power. Go to step 9.
8. Does the computer boot successfully?
Yes. The problem is resolved.
No. Go to step 9.
9. Remove and reinstall any batteries, and check the AC adapter connection. Does the
light appear?
Yes. The problem is resolved.
No. If the computer is powered by the AC adapter, see "
."
No Power, Using AC
Adapter
Basic Checks:
l
Test the electrical outlet: Ensure that the electrical outlet is working by testing it with another device such as a
lamp.
l
Connect the AC adapter directly to an electrical outlet: Bypass power protection devices, power strips, and
extension cords to verify that the computer turns on.
l
Check for interference: High-voltage electrical appliances on the same circuit or operating in close proximity to
the computer can cause interference. Extension cords or too many devices on a power strip or multiple power
strips connected to an electrical outlet can cause problems.
Fill out the
Diagnostics Checklist
as you perform the following steps:
1. Turn off the computer and devices and disconnect them from the electrical outlet. If you are using a surge
protector, remove it.
2. Make sure the
AC adapter
is connected to the computer, and then verify that the power cable is firmly attached
to the AC adapter and to the electrical outlet.
3. Does the light on top of the AC adapter light up?
Yes. Go to step 4.
No. The AC adapter may be defective. Go to step 5.
4. Turn on the computer. Does the
light appear?
Yes. The problem is resolved.
No. Go to step 5.
5.
Call Dell
for technical assistance.
No Power, Using
Battery
If an AC adapter is not
connected to your
computer, the computer runs
on battery power. If the
computer does not turn on
when a battery is installed,
the battery's
charge
may be
depleted.
Fill out the
Diagnostics Checklist
as you perform the following steps:
1. Turn off the computer and devices. Disconnect the devices from the electrical outlet.
2.
Remove and then reinstall each battery
in its bay.
3. Press the power button. Does the computer turn on?
Allow 1 minute for the computer to initialize its components before checking for signs of power.
Yes. The battery was not seated properly. The problem is resolved.
No. Use the AC adapter to connect your computer to an electrical outlet. If the computer operates normally
when using AC power, go to step 4. If the computer does not boot when using the AC adapter, see "
4. Use the AC adapter to
charge the battery
.
5. Does the
light remain constantly lit (not blinking), indicating that the battery is charging?
Yes. Go to step 6.
No. You may have a defective battery.
Call Dell
for technical assistance.
6. Press the power button. Does computer turn on?
Yes.
You needed to charge the battery. The problem is resolved.