Rtc Battery - HP ProBook 450 G5 Maintenance And Service Manual

RTC battery

Description
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. Place the computer in "Battery Safe mode"
3. Disconnect all external devices connected to the computer.
4. 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.
5. Remove the following components:
a. Service doors
b. Hard drive
c. Keyboard
d. Top cover
e. Card reader board
f. Battery
g. System board
Remove the RTC battery:
1. Position the system board upside down.
2. Use a tool to pry the battery out of the socket (1).
3. Remove the battery from the system board (2).
Reverse this procedure to install the RTC battery.
(Service doors on page
(Hard drive on page 43)
(Keyboard on page 46)
(Top cover on page 50)
(Card reader board on page
(Battery on page 65)
(System board on page
(Battery Safe mode on page
35).
64)
67)
Component replacement procedures
Spare part number
746439-001
34).
73