HP Pavilion dv3-4200 HP Pavilion dv3 Entertainment PC - Maintenance and Servic - Page 55

RTC battery

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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 module/wireless module compartment cover (see Memory module on page 39). Remove the RTC battery: ▲ Remove the RTC battery from the socket on the system board. Reverse this procedure to install the RTC battery. When installing the RTC battery, make sure the "+" sign faces up. Component replacement procedures 45

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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 module/wireless module compartment cover (see
Memory module
on page
39
).
Remove the RTC battery:
Remove the RTC battery from the socket on the system board.
Reverse this procedure to install the RTC battery. When installing the RTC battery, make sure the “+”
sign faces up.
Component replacement procedures
45