Reverse this procedure to install the audio board.
USB connector assembly
The USB connector assembly is included in the Cable Kit, spare part number 683477-001 for 4540s
models and 683640-001 for 4440s/4441s models.
Before removing the USB connector assembly, 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 55
).
5.
Remove the following components:
a.
Bottom door (see
Bottom door on page 58
).
b.
Keyboard (see
Keyboard on page 70
)
c.
Top cover (see
Top cover on page 82
)
Remove the USB connector assembly:
1.
Position the computer upright.
2.
Disconnect the cable from the system board
(1)
.
3.
Remove the cables from the routing path
(2)
.
96
Chapter 4 Removal and replacement procedures
Содержание ProBook 4440s
Страница 4: ...iv Safety warning notice ...
Страница 22: ...Buttons speakers and fingerprint reader select models only 14 Chapter 2 External component identification ...
Страница 34: ...Computer major components Model 4540s Figure 3 1 Model 4540s 26 Chapter 3 Illustrated parts catalog ...
Страница 39: ...Model 4440s 4441s Figure 3 2 Model 4440s 4441s Computer major components 31 ...
