Dell Vostro A840 (Mid 2008) - Manual (Page 9)

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Coin-Cell Battery
Dell™ Vostro™ A840/A860 Service Manual
Removing the Coin-Cell Battery
Replacing the Coin-Cell Battery
Removing the Coin-Cell Battery
1. Follow the instructions in Before You Begin .
2. Remove the system board (see Removing the System Board ).
3. Turn the system board over.
4. Disconnect the coin-cell battery cable from the system board connector.
5. Remove the coin-cell battery out of the mylar sleeve.
Replacing the Coin-Cell Battery
1. Replace the coin cell battery in the mylar sleeve.
2. Connect the coin-cell battery cable to the system board connector.
3. Follow the instructions in Replacing the System Board .
4. Slide the main battery into the battery bay, until it clicks into place.
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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.
NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface
(such as a connector on the back of the computer).
NOTICE: To help prevent damage to the system board, you must remove the battery from the battery bay before you begin working inside the
computer.
1 coin-cell battery 2 coin-cell battery cable connector