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RTC battery
Description
Spare part number
RTC battery
857798-001
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 following components:
a.
Bottom cover (see
)
b.
Battery (see
c.
Hard drive (see
)
d.
Solid-state drive (see
e.
WWAN module (see
)
f.
Keyboard (see
)
g.
Internal frame (see
h.
System board (see
To remove the RTC battery:
▲
Disconnect the RTC battery cable from the system board (1), and then pry the RTC battery from the
system board (2).
Reverse this procedure to install the RTC battery.
Component replacement procedures
69