HP Pavilion dm4-2000 HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 49

RTC battery, Remove the memory/wireless module compartment cover 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 38). 5. Remove the memory/wireless module compartment cover (see Memory module on page 39) Remove the RTC battery: 1. Release the RTC battery from the clips on the system board (1). 2. Remove the RTC battery (2). Reverse this procedure to install the RTC battery. Component replacement procedures 41

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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
38
).
5.
Remove the memory/wireless module compartment cover (see
Memory module
on page
39
)
Remove the RTC battery:
1.
Release the RTC battery from the clips on the system board
(1)
.
2.
Remove the RTC battery
(2)
.
Reverse this procedure to install the RTC battery.
Component replacement procedures
41