HP DM4 - Manual (Page 64)

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), SVA, high-definition (HD), BrightView LED display assembly for use in Dark
Umber models 636941-001
35.56 cm (14.0 in), SVA, high-definition (HD), BrightView LED display assembly for use in
Steel Gray models 650675-001
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 36 ).
5. Disconnect the wireless antenna cables from the WLAN module (see WLAN module
on page 40 ).
6. Remove the following components:
a. WLAN module (see WLAN module on page 40 )
b. Keyboard (see Keyboard on page 47 )
56 Chapter 4 Removal and replacement procedures