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RTC battery
Description
RTC battery
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 first unplugging the power cord from the AC outlet and then
unplugging the AC adapter from the computer.
3.
Disconnect all external devices from the computer.
4.
Remove the following components:
a.
Battery (see
b.
Optical drive (see
c.
Base enclosure (see
d.
Hard drive (see
e.
SSD (see
f.
Release the WLAN cable (see
g.
Right speaker (see
h.
USB board (see
i.
Fan (see
j.
Heat sink for discrete graphics memory (see
k.
Left speaker (see
l.
System board (see
Remove the RTC battery:
1.
Carefully place the system board face down.
60
Chapter 6 Removal and replacement procedures for authorized service provider parts
Battery on page
34)
Optical drive on page
Base enclosure on page
Hard drive on page
SSD (M.2) on page
42)
WLAN module on page
Right speaker on page
USB board on page
Fan on page
50)
Left speaker on page
System board on page
35)
37)
39)
45)
47)
49)
Heat sink for discrete graphics memory on page
53)
57)
Spare part number
861876-001
51)
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