HP Pavilion dm4, Руководство по техническому обслуживанию и ремонту, Страница: 80 / 135

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 45 ).
5. Disconnect the wireless antenna cables from the WLAN module (see WLAN module on page 50 ).
6. Remove the following components:
a. WLAN module (see WLAN module on page 50 )
b. WWAN module (see WWAN module on page 55 )
c. Keyboard (see Keyboard on page 62 )
70 Chapter 4 Removal and replacement procedures