HP ProBook 4340s HP ProBook 4340s Notebook PC HP ProBook 4341s Notebook PC - M - Page 66

RTC battery, Top cover see

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RTC battery Description RTC battery Spare part number 684248-001 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 31). 5. Remove the following components: a. Bottom door (see Bottom door on page 33). b. Keyboard (see Keyboard on page 45) c. Top cover (see Top cover on page 47) Remove the RTC battery: 1. Position the computer upright with the front toward you. 2. Use a screwdriver to loosen the battery from the slot. 3. Lift the battery from the system board. Reverse this procedure to install the RTC battery. 58 Chapter 4 Removal and replacement procedures

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RTC battery
Description
Spare part number
RTC battery
684248-001
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
31
).
5.
Remove the following components:
a.
Bottom door (see
Bottom door
on page
33
).
b.
Keyboard (see
Keyboard
on page
45
)
c.
Top cover (see
Top cover
on page
47
)
Remove the RTC battery:
1.
Position the computer upright with the front toward you.
2.
Use a screwdriver to loosen the battery from the slot.
3.
Lift the battery from the system board.
Reverse this procedure to install the RTC battery.
58
Chapter 4
Removal and replacement procedures