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Installing System Components 113
13
To test the newly installed battery, turn off the system and disconnect it
from the electrical outlet for at least an hour.
14
After an hour, reconnect the system to its electrical outlet and turn it on.
15
Enter 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.
1
If applicable, remove the bezel. See "Removing the Front Bezel" on
page 67.
2
Turn off the system and attached peripherals, and disconnect the system
from the electrical outlet and peripherals.
3
Open the system. See "Opening the System" on page 69.
4
Disconnect 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.