support.dell.com Basic Troubleshooting 3-153. Press the power button. Does the computer turn on?Allow one minute for the computer to initialize its components before checkingfor signs of power.Yes. Go to step 4.No. Use the AC adapter to connect your computer to an electrical outlet. If thecomputer operates normally when using AC power, go to step 7. If the computerdoes not boot when using the AC adapter, see the preceding subsection,“Total Power Failure When Using the AC Adapter.”4. Is the battery status indicator blinking, indicating that the battery is charging?Yes. Go to step 6.No. Go to step 5.5. Does the battery status indicator remain constantly lit (not blinking)?Yes. Go to step 7.No. The battery is defective. Call Dell for technical assistance. (See Chapter 5,“Getting Help,” for instructions.)6. Use the AC adapter to fully charge the battery.For instructions, see the topic titled “Charging the Battery” in the system Help.The battery charges in approximately 2 hours, using an electrical outlet, if thecomputer is off; the battery charges in approximately 3 hours if the computer ison.7. Does the battery status indicator remain constantly lit (not blinking), indicatingthat the battery is fully charged?Yes. The problem is resolved. Turn on the computer.No. You may have a defective battery. Go to step 8.8. Disconnect the AC adapter. If a fully charged spare battery is available, install itin the computer.9. Press the power button. Does computer turn on?Yes. Your original battery is defective. Call Dell for technical assistance. (SeeChapter 5, “Getting Help,” for instructions.)No. Call Dell for technical assistance. (See Chapter 5, “Getting Help,” forinstructions.)