HP ENVY dv4-5b00 HP Envy dv4 Maintenance and Service Guide - Page 49

RTC battery, Use a flat-bladed, non-metallic tool

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RTC battery Description RTC battery Spare part number 676654-001 Before removing the RTC battery, follow these steps: 1. Shut down the computer. 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 service door (see Service door on page 32). 6. Remove the wireless module compartment cover (see WLAN module on page 39). Remove the RTC battery: 1. Use a flat-bladed, non-metallic tool (1) to release the RTC battery from the socket on the system board. 2. Remove the RTC battery (2). 3. Remove the RTC battery. 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
676654-001
Before removing the RTC battery, follow these steps:
1.
Shut down the computer.
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 service door (see
Service door
on page
32
).
6.
Remove the wireless module compartment cover (see
WLAN module
on page
39
).
Remove the RTC battery:
1.
Use a flat-bladed, non-metallic tool
(1)
to release the RTC battery from the socket on the
system board.
2.
Remove the RTC battery
(2)
.
3.
Remove the RTC battery.
Reverse this procedure to install the RTC battery. When installing the RTC battery, make sure the “+”
sign faces up.
Component replacement procedures
41