Using The Ac Adapter; Checking Connections - Dell Inspiron 3700 Reference And Troubleshooting Manual

3-14 Dell Inspiron 3700 System Reference and Troubleshooting Guide
6. Remove any installed batteries and disconnect the AC adapter. Then reinstall the
batteries, reconnect the AC adapter, and turn on the computer. Does the power
status indicator light up?
Yes. Go to step 8.
No. Go to step 7 .
7 . Turn off the computer, wait a few seconds, and then turn on the computer again.
Does the power status indicator light up?
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. Reseat (remove and reinstall) any installed batteries, and check the AC adapter
connection. Does the power status indicator light up?
Yes. The problem is resolved.
No. If the computer is powered by the AC adapter, see the next subsection,
"Total Power Failure When Using the AC Adapter." If the computer is using
battery power, see "Total Power Failure When Using a Battery" found later in
this section.
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If no signs of power are present in the computer when using the AC adapter, make a
copy of the Diagnostics Checklist found in Chapter 5, "Getting Help," and fill it out as
you perform the following steps:
1. Turn off the computer and peripherals 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.
See "Checking Connections" found earlier in this chapter.
3. Does the LED on top of the AC adapter turn on?
Yes. Go to step 4.
No. The AC adapter may be defective. Go to step 5.
4. Turn on the computer. Does the power status indicator light up?
Yes. The problem is resolved.
No. Go to step 5.