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Coin-Cell Battery
Dell™Vostro™420/220/220sServiceManual
Removing the Coin-Cell Battery
Replacing the Coin-Cell Battery
Removing the Coin-Cell Battery
1. Record all the screens in the system setup program so that you can restore the correct settings in step 4 of Replacing the Coin-Cell Battery. See System
Setup Program for assistance with the system setup program.
2. Follow the procedures in Before Working on Your Computer.
3. Remove the computer cover (see Removing the Computer Cover).
4. For the Vostro 220s, remove the chassis support bracket (see Removing the Chassis Support Bracket).
5. Carefully press the release latch away from the battery to allow the battery to pop up from the socket.
6. Remove the battery from the system and properly dispose of the battery.
Replacing the Coin-Cell Battery
1. Insert the new battery into the socket with the side labeled "+" facing up, and then snap the battery into place. Ensure that it is securely retained
within the battery socket.
2. For the Vostro 220s, replace the chassis support bracket (see Replacing the Chassis Support Bracket).
3. Follow the procedure in After Working on Your Computer.
4. Enter the system setup program (see System Setup Program for instructions) and restore the settings you recorded in step 1. Also, enter the correct
date and time.
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CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best
practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
CAUTION: A new battery can explode if it is incorrectly installed. Replace the battery only with the same or equivalent type recommended by the
manufacturer. Discard used batteries according to the manufacturer's instructions.
NOTICE: The procedure for removing and replacing the coin-cell battery is identical (except where noted) for the Vostro 420, Vostro 220, and Vostro
220s computers.
NOTICE: If you pry the battery out of its socket with a blunt object, be careful not to touch the system board with the object. Ensure that the object is
inserted between the battery and the socket before you attempt to pry out the battery. Otherwise, you may damage the system board by prying off
the socket or by breaking circuit traces on the system board.
1
release latch
2
battery (positive side)