HP 4510s Service Guide - Page 108

RTC battery, Top cover on 14-in models see

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RTC battery Description RTC battery Spare part number 449137-001 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 battery (see Battery on page 63). 5. Remove the following components: a. Switch cover and keyboard (see Switch cover and keyboard on page 64) b. Palm rest (see Palm rest on page 75) c. Top cover on 14-in models (see Top cover on page 90) Remove the RTC battery: 1. Position the computer right-side up with the front toward you. 2. Remove the RTC battery from the socket on the system board. Reverse this procedure to install the RTC battery. 96 Chapter 4 Removal and replacement procedures

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RTC battery
Description
Spare part number
RTC battery
449137-001
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 battery (see
Battery
on page
63
).
5.
Remove the following components:
a.
Switch cover and keyboard (see
Switch cover and keyboard
on page
64
)
b.
Palm rest (see
Palm rest
on page
75
)
c.
Top cover on 14-in models (see
Top cover
on page
90
)
Remove the RTC battery:
1.
Position the computer right-side up with the front toward you.
2.
Remove the RTC battery from the socket on the system board.
Reverse this procedure to install the RTC battery.
96
Chapter 4
Removal and replacement procedures