Dell Latitude E5520M (Early 2011) - Manual (Page 69)

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Coin-Cell Battery
Removing the Coin-Cell Battery
1. Follow the procedures in Before Working On Your Computer .
2. Remove the battery .
3. Remove the back panel .
4. Remove the CPU door .
5. Lift the coin-cell battery from the system board.
6. Pry and remove the coin-cell battery from the adhesive.
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Installing the Coin-Cell Battery
Installing the Coin-Cell Battery
1. Attach the coin-cell battery to the coin-cell compartment.
2. Connect the coin-cell battery to the system board.
3. Replace the CPU door .
4. Replace the back panel .
5. Replace the battery .
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