HP mt42 Maintenance and Service Guide - Page 50

RTC battery, Remove the RTC battery

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RTC battery Description RTC battery Spare part number 665733-001 Before removing the RTC battery, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer. 4. Remove the bottom cover (see Bottom cover on page 25). 5. Remove the battery (see Battery on page 28). Remove the RTC battery: 1. Remove the RTC battery cable from the system board (1). 2. Lift the mylar cover (2). 3. Using a flat tool, pry the battery out of the socket (3). Reverse this procedure to install the RTC battery. 40 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts

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RTC battery
Description
Spare part number
RTC battery
665733-001
Before removing the RTC battery, follow these steps:
1.
Shut down the computer. If you are unsure whether the computer is
off
or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2.
Disconnect all external devices connected to the computer.
3.
Disconnect the power from the computer by
first
unplugging the power cord from the AC outlet, and
then unplugging the AC adapter from the computer.
4.
Remove the bottom cover (see
Bottom cover
on page
25
).
5.
Remove the battery (see
Battery
on page
28
).
Remove the RTC battery:
1.
Remove the RTC battery cable from the system board
(1)
.
2.
Lift the mylar cover
(2)
.
3.
Using a
flat
tool, pry the battery out of the socket
(3)
.
Reverse this procedure to install the RTC battery.
40
Chapter 6
Removal and replacement procedures for Authorized Service Provider parts