3.Tighten the screws that secure the base cover to the computer.

4.Follow the procedures in After Working Inside Your computer.

Removing the Battery

1.Follow the procedures in Before Working Inside Your Computer..

2.Remove Base Cover

3.Perform the following steps as shown in the illustration:

a.Loosen the screw that secures the battery to the computer [1].

b.Lift the battery [2].

Installing the Battery

1.Place the battery in its slots.

2.Press the location indicated in the picture to ensure proper connection after installation.

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Dell 3550 owner manual Removing the Battery, Installing the Battery