Dell R300 Control Panel Assembly Service-only Procedure, Removing the Control Panel Assembly, 113

13To test the newly installed battery, turn off the system and disconnect it from the electrical outlet for at least an hour.

14After an hour, reconnect the system to its electrical outlet and turn it on.

15Enter the System Setup program and if the time and date are still incorrect, see "Getting Help" on page 165 for instructions on obtaining technical assistance.

Control Panel Assembly (Service-only Procedure)

NOTE: The control panel assembly consists of two separate modules—the display module and the control panel circuit board. Use the following instructions to remove and install either module.

Removing the Control Panel Assembly

CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See your Product Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.

1If applicable, remove the bezel. See "Removing the Front Bezel" on page 67.

2Turn off the system and attached peripherals, and disconnect the system from the electrical outlet and peripherals.

3Open the system. See "Opening the System" on page 69.

4Disconnect the control panel cable at back of the control panel board. See Figure 3-22.

NOTICE: Do not pull on the cable to unseat the connector. Doing so can damage the cable.

a Squeeze the metal tabs on the ends of the cable connector. b Gently work the connector out of the socket.

Installing System Components

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