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RTC battery
Description Spare part number
RTC battery 412390-001
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 cord.
4.
Remove the battery (see
Battery on page 36).
5.
Remove the following components:
a.
Hard drive (see
Hard drive on page 38)
b.
Optical drive (see
Optical drive on page 42)
c.
Keyboard (see
Keyboard on page 47)
d.
Switch cover (see
Switch cover on page 50)
e.
Display assembly (see
Display assembly on page 52)
f.
Top cover (see
Top cover on page 59).
Remove the RTC battery:
▲
Use a non-conductive, flat-bladed tool to pry the RTC battery out of the socket.
Reverse this procedure to install the RTC battery. Be sure the RTC battery is installed with the “+” sign
facing up.
62 Chapter 5 Removal and replacement procedures ENWW