HP Pavilion dm4 Maintenance and Service Guide - Page 73

Display assembly, Disconnect the wireless antenna cables from the WLAN module see

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3. Remove the power button board (2). Reverse the above procedure to install the power button board. Display assembly Description 35.56 cm (14.0-in) WXGA Brightview display assembly for use in models equipped with WWAN 35.56 cm (14.0-in) WXGA Brightview display assembly for use in models not equipped with WWAN Spare part number 613667-001 608207-001 Before removing the display 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 42). 5. Disconnect the wireless antenna cables from the WLAN module (see WLAN module on page 47). 6. Remove the following components: a. WLAN module (see WLAN module on page 47) b. WWAN module (see WWAN module on page 51) c. Keyboard (see Keyboard on page 57) Component replacement procedures 65

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3.
Remove the power button board
(2)
.
Reverse the above procedure to install the power button board.
Display assembly
Description
Spare part number
35.56 cm
(14.0-in) WXGA Brightview display assembly for use in models equipped with WWAN
613667-001
35.56 cm
(14.0-in) WXGA Brightview display assembly for use in models not equipped with
WWAN
608207-001
Before removing the display 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
42
).
5.
Disconnect the wireless antenna cables from the WLAN module (see
WLAN module
on page
47
).
6.
Remove the following components:
a.
WLAN module (see
WLAN module
on page
47
)
b.
WWAN module (see
WWAN module
on page
51
)
c.
Keyboard (see
Keyboard
on page
57
)
Component replacement procedures
65