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NOTE: Ensure that the computer is off and not in a power management mode. If you cannot shut down the computer using the operating system, press and hold the power button for 4 seconds.
3. Disconnect your computer and all attached devices from their electrical outlets.
NOTICE: To disconnect a network cable, first unplug the cable from your computer, and then unplug it from the network wall jack.
4.Disconnect any telephone or network cables from the computer.
5.Remove any installed cards from the ExpressCard slot and the
NOTICE: To help prevent damage to the system board, you must remove the battery from the battery bay before you service the computer.
NOTE: To avoid damage to the computer, use only the battery designed for this particular Dell computer. Do not use batteries designed for other Dell computers.
6.Turn the computer over.
7.Slide the battery release latch until they click into place.
8.Slide the battery out of the battery bay.
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battery
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battery release latch
9.Turn the computer top side up, open the display, and press the power button to ground the system board.