RTC battery
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
5.
Remove the bottom door (see
6.
Remove the following components:
a.
).
b.
c.
Optical drive (see
)
d.
WLAN module (see
WLAN/Bluetooth combo card on page 59
e.
WWAN module (see
)
f.
Fan (see
)
g.
Heat sink (see
h.
Keyboard (see
i.
Top cover (see
Remove the RTC battery:
1.
Position the computer upside-down, with the front toward you.
2.
Use a screwdriver to loosen the battery from the slot
(1)
.
Component replacement procedures
79
Summary of Contents for ProBook 4330s
Page 4: ...iv Safety warning notice ...
Page 8: ...viii ...
Page 30: ...Computer major components 22 Chapter 3 Illustrated parts catalog ...
Page 153: ......
