Dell 2900 owner manual Remove the system battery

5Remove the system battery.

NOTICE: To avoid damage to the battery connector, you must firmly support the connector while installing or removing a battery.

aSupport the battery connector by pressing down firmly on the positive side of the connector. See Figure 3-19.

bWhile supporting the battery connector, push the battery toward the positive side of the connector and pry it up out of the securing tabs at the negative side of the connector.

Figure 3-19. Replacing the System Battery

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1 positive side of connector 2 system battery 3 negative side of connector

6Install the new system battery with the side labeled "+" facing up. See Figure 3-19.

7Install the new system battery.

a Support the battery connector by pressing down firmly on the positive side of the connector.

b Hold the battery with the "+" facing up, and slide it under the securing tabs at the positive side of the connector.

c Press the battery straight down into the connector until it snaps into place.

8Replace all the expansion cards you removed in step 4.

9Close the system. See "Closing the System" on page 53.

10Reconnect the system to the electrical outlet and turn on the system and attached peripherals.

11Enter the System Setup program to confirm that the battery operates properly.

12From the main screen, select System Time to enter the correct time and date.

13Re-enter any system configuration information that is no longer displayed on the System Setup screens, and then exit the System Setup program.

14To test the newly installed battery, see "Troubleshooting the System Battery" on page 122.

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Installing System Components