HP Pavilion dm3-1000 HP Pavilion dm3 Entertainment PC - Maintenance and Servic - Page 51

RTC battery, Remove the RTC battery

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RTC battery Removal and replacement procedures Description RTC battery Spare part number 580845-001 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 4-6). 5. Remove the memory/wireless module compartment cover (see "WLAN module" on page 4-12). 6. Remove the WLAN module (see "WLAN module" on page 4-12). Remove the RTC battery: 1. Turn the system board upside down, with the audio connectors toward you. 2. The RTC battery has adhesive holding it down. Lift up slightly on the battery to break the adhesion. 3. Disconnect the RTC battery cable 1 from the system board. 4. Remove the RTC battery 2 from the unit. Reverse this procedure to install the RTC battery. Maintenance and Service Guide 4-15

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Removal and replacement procedures
Maintenance and Service Guide
4–15
RTC battery
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 4-6
).
5. Remove the memory/wireless module compartment cover (see
“WLAN module” on page 4-12
).
6. Remove the WLAN module (see
“WLAN module” on page 4-12
).
Remove the RTC battery:
1. Turn the system board upside down, with the audio connectors toward you.
2. The RTC battery has adhesive holding it down. Lift up slightly on the battery to break the adhesion.
3. Disconnect the RTC battery cable
1
from the system board.
4. Remove the RTC battery
2
from the unit.
Reverse this procedure to install the RTC battery.
Description
Spare part number
RTC battery
580845-001