RTC battery
NOTE:
Removing the RTC battery and leaving it uninstalled for 5 or more minutes causes all passwords
and CMOS settings to be cleared.
Description
Spare part number
RTC battery
449137-001
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 from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
4
.
Remove the battery (see
Battery on page 37
).
5
.
Remove the following components:
a
.
Hard drive (see
Hard drive on page 38
)
b
.
Optical drive (see
Optical drive on page 45
)
c
.
Keyboard (see
Switch cover and keyboard on page 47
)
d
.
Switch cover (see
Switch cover and keyboard on page 47
)
e
.
Speaker (see
Speaker on page 51
)
f
.
Display lid switch module (see
Display lid switch module on page 52
)
g
.
Display assembly (see
Display assembly on page 53
)
h
.
Top cover (see
Top cover on page 58
)
i
.
System board (see
System board on page 66
)
Remove the RTC battery:
1
.
Turn the system board upside down, with the audio connectors toward you.
78 Chapter
4
Removal and replacement procedures
Содержание 6520s - Notebook PC
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Страница 4: ...iv Safety warning notice ...
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