HP ENVY 15-q400 ENVY Notebook Maintenance and Service Guide - Page 49

Display assembly, Release the wireless antenna cables from the retention clips

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Reverse this procedure to install the base enclosure. Display assembly Description 15.6-in, BrightView, FHD, LED, touch screen display assembly (full hinge-up) 15.6-in, BrightView, HD, LED, SVA, touch screen display assembly (full hinge-up) 15.6-in, BrightView, HD, LED, UWVA, touch screen display assembly (full hinge-up) Spare part number 812534-001 812186-001 829328-001 To remove the display assembly and access the display assembly subcomponents, follow these steps: 1. Turn off 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 the power from the computer by unplugging the power cord from the computer. 3. Disconnect all external devices from the computer. 4. Remove the battery (see Battery on page 28). 5. Disconnect the wireless antenna cables from the WLAN module (see WLAN module on page 29). 6. Remove the hard drive (see Hard drive on page 31). 7. Remove the base enclosure (see Base enclosure on page 38). Remove the display assembly: 1. Release the wireless antenna cables from the retention clips built into the left rear speaker (1), connector board (2), and top cover (3). 2. Release the wireless antenna cables from the retention clips (4) built into the subwoofer. 3. Release the ZIF connector to which the display panel cable is attached, and then disconnect the display panel cable (5) from the system board. 4. Disconnect the the webcam/microphone module cable (6) from the system board. Component replacement procedures 41

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Reverse this procedure to install the base enclosure.
Display assembly
Description
Spare part number
15.6-in, BrightView, FHD, LED, touch screen display assembly (full hinge-up)
812534-001
15.6-in, BrightView, HD, LED, SVA, touch screen display assembly (full hinge-up)
812186-001
15.6-in, BrightView, HD, LED, UWVA, touch screen display assembly (full hinge-up)
829328-001
To remove the display assembly and access the display assembly subcomponents, follow these steps:
1.
Turn
off
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 the power from the computer by unplugging the power cord from the computer.
3.
Disconnect all external devices from the computer.
4.
Remove the battery (see
Battery
on page
28
).
5.
Disconnect the wireless antenna cables from the WLAN module (see
WLAN module
on page
29
).
6.
Remove the hard drive (see
Hard drive
on page
31
).
7.
Remove the base enclosure (see
Base enclosure
on page
38
).
Remove the display assembly:
1.
Release the wireless antenna cables from the retention clips built into the left rear speaker
(1)
,
connector board
(2)
, and top cover
(3)
.
2.
Release the wireless antenna cables from the retention clips
(4)
built into the subwoofer.
3.
Release the ZIF connector to which the display panel cable is attached, and then disconnect the display
panel cable
(5)
from the system board.
4.
Disconnect the the webcam/microphone module cable
(6)
from the system board.
Component replacement procedures
41