HP Pavilion m4-1000 HP Pavilion m4 Notebook PC Maintenance and Service Guide - Page 49

RTC battery, Remove the hard drive service cover see

Page 49 highlights

RTC battery Description RTC battery Spare part number 718440-001 Before removing the RTC battery, follow these steps: 1. Turn off 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 the power from the computer by unplugging the power cord from the computer. 3. Disconnect all external devices from the computer. 4. Remove the battery (see Battery on page 30). 5. Remove the hard drive service cover (see Hard drive on page 31). 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 41

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RTC battery
Description
Spare part number
RTC battery
718440-001
Before removing the RTC battery, follow these steps:
1.
Turn off 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 the power from the computer by unplugging the power cord from the computer.
3.
Disconnect all external devices from the computer.
4.
Remove the battery (see
Battery
on page
30
).
5.
Remove the hard drive service cover (see
Hard drive
on page
31
).
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
41