RTC battery
Description
Spare part number
RTC battery
683601-001
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 following components:
a.
Battery (see
Battery on page 38
)
b.
Bottom door (see
Bottom door on page 39
).
c.
Hard drive (see
Hard drive on page 43
)
d.
Optical drive (see
Optical drive on page 40
)
e.
Memory (see
Memory modules on page 45
)
f.
WLAN module (see
WLAN/Bluetooth combo card on page 47
)
g.
Keyboard (see
Keyboard on page 49
)
h.
Metal heat shield (see
Metal heat shield on page 51
)
i.
Fan (see
Fan on page 52
)
j.
Top cover (see
Top cover on page 53
)
k.
System board (see
System board on page 66
)
Remove the RTC battery:
1.
Position the system board face up, with the front toward you.
2.
Use a screwdriver to loosen the battery from the slot
(1)
.
74
Chapter 4 Removal and replacement procedures
Содержание ProBook 4445s
Страница 1: ...HP ProBook 4445s Notebook PC HP ProBook 4446s Notebook PC Maintenance and Service Guide ...
Страница 4: ...iv Safety warning notice ...
Страница 30: ...Computer major components 22 Chapter 3 Illustrated parts catalog ...
Страница 136: ......
