HP LJ476UT User Manual - Page 97

Hard drive extension board (4730s models), Optical drive see

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Hard drive extension board (4730s models) Description Hard drive extension board Spare part number 646291-001 Before removing the hard 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 47). 5. Remove the following components: a. Bottom door (see Bottom door on page 49). b. Hard drive (see Hard drive on page 52) c. Optical drive (see Optical drive on page 50) d. WLAN module (see WLAN/Bluetooth combo card on page 58) e. WWAN module (see WWAN module on page 56) f. Fan (see Fan on page 93) g. Heat sink (see Heat sink on page 95) h. Keyboard (see Keyboard on page 63) i. Top cover (see Top cover on page 65) j. System board (see System board on page 85) Remove the hard drive extension board: 1. Position the system board upright with the right side toward you. Component replacement procedures 89

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Hard drive extension board (4730s models)
Description
Spare part number
Hard drive extension board
646291-001
Before removing the hard 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
47
).
5.
Remove the following components:
a.
Bottom door (see
Bottom door
on page
49
).
b.
Hard drive (see
Hard drive
on page
52
)
c.
Optical drive (see
Optical drive
on page
50
)
d.
WLAN module (see
WLAN/Bluetooth combo card
on page
58
)
e.
WWAN module (see
WWAN module
on page
56
)
f.
Fan (see
Fan
on page
93
)
g.
Heat sink (see
Heat sink
on page
95
)
h.
Keyboard (see
Keyboard
on page
63
)
i.
Top cover (see
Top cover
on page
65
)
j.
System board (see
System board
on page
85
)
Remove the hard drive extension board:
1.
Position the system board upright with the right side toward you.
Component replacement procedures
89