HP ENVY 15-ar000 Maintenance and Service Guide - Page 49

Display assembly, Phillips PM2.5×4.5 screws

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3. Remove the system board (4). Reverse this procedure to install the system board. Display assembly NOTE: The display assembly is spared at the subcomponent level only. For display assembly spare part information, see the individual removal subsections. Before removing the display assembly, 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 bottom cover (see Bottom cover on page 24), and then removed the following components: a. Battery (see Battery on page 26). b. Fan/heat sink assembly (see Fan/heat sink assembly on page 35). c. System board (see System board on page 39). Remove the display assembly: 1. Remove the five Phillips PM2.5×4.5 screws (1) that secure the display assembly to the keyboard/ top cover. Component replacement procedures 41

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3.
Remove the system board
(4)
.
Reverse this procedure to install the system board.
Display assembly
NOTE:
The display assembly is spared at the subcomponent level only. For display assembly spare part
information, see the individual removal subsections.
Before removing the display assembly, 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 bottom cover (see
Bottom cover
on page
24
), and then removed the following components:
a.
Battery (see
Battery
on page
26
).
b.
Fan/heat sink assembly (see
Fan/heat sink assembly
on page
35
).
c.
System board (see
System board
on page
39
).
Remove the display assembly:
1.
Remove the
five
Phillips PM2.5×4.5 screws
(1)
that secure the display assembly to the keyboard/
top cover.
Component replacement procedures
41