Dell PowerEdge 1750 Installation And Troubleshooting Manual page 58

NOTICE: To avoid damage to the battery connector, you must firmly support the connector while installing or removing a battery.
5. Install the new system battery. See Figure 6-14.
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.
6. Close the system covers. See
7. Reconnect the system and any attached peripherals to their electrical outlets, and turn them on.
8. Enter the System Setup program to confirm that the battery is operating properly. See "Using the System Setup Program" in the User's Guide.
9. Enter the correct time and date in the System Setup program's Time and Date settings.
10. Re-enter any system configuration information that is no longer displayed on the System Setup screens, and then exit the System Setup program.
11. To test the newly installed battery, power down and disconnect the system from its electrical source for at least an hour.
12. After an hour, connect the system to its electrical source and turn on the power.
13. Enter the System Setup program and if the time and date are still incorrect, see
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"Closing the System Covers" in "Troubleshooting Your System."
"Getting Help."