HP ProBook 4540s HP ProBook 4540s Notebook PC HP ProBook 4440s Notebook PC HP - Page 98

Optical drive extension board (4540s models only), Optical drive see

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Optical drive extension board (4540s models only) Description Optical drive extension board Spare part number 683498-001 Before removing the optical drive extension board, 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 42). 5. Remove the following components: a. Bottom door (see Bottom door on page 44). b. Hard drive (see Hard drive on page 48) c. Optical drive (see Optical drive on page 46) d. WLAN/Bluetooth module (see WLAN/Bluetooth combo card on page 54) e. WWAN module (see WWAN module on page 52) f. Keyboard (see Keyboard on page 56) g. Heat shield (see Heat shield on page 59) h. Fan (see Fan on page 61) i. Heat sink (see Heat sink on page 63) j. Top cover (see Top cover on page 67) k. System board (see System board on page 85) Remove the optical drive extension board: 1. Lift the right side of the system board up. 90 Chapter 4 Removal and replacement procedures

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Optical drive extension board (4540s models only)
Description
Spare part number
Optical drive extension board
683498-001
Before removing the optical drive extension board, 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
42
).
5.
Remove the following components:
a.
Bottom door (see
Bottom door
on page
44
).
b.
Hard drive (see
Hard drive
on page
48
)
c.
Optical drive (see
Optical drive
on page
46
)
d.
WLAN/Bluetooth module (see
WLAN/Bluetooth combo card
on page
54
)
e.
WWAN module (see
WWAN module
on page
52
)
f.
Keyboard (see
Keyboard
on page
56
)
g.
Heat shield (see
Heat shield
on page
59
)
h.
Fan (see
Fan
on page
61
)
i.
Heat sink (see
Heat sink
on page
63
)
j.
Top cover (see
Top cover
on page
67
)
k.
System board (see
System board
on page
85
)
Remove the optical drive extension board:
1.
Lift the right side of the system board up.
90
Chapter 4
Removal and replacement procedures