Service Teardown: HP ENVY 13-ah0000 Laptop PC
How to replace the Base Enclosure
Removal:
Remove the two 4 mm T5 Torx-head screws
that secure the base enclosure to the top cover.
Remove the rubber feet from the base enclosure.
Remove the two 3 mm P1 Phillips-head screws
that secure the base enclosure to the top cover.
Remove the five 6 mm P1 Phillips-head screws
that secure the base enclosure to the top cover.
Carefully separate the edges of the base enclosure
from the top cover.
Remove the base enclosure.
Reverse this procedure to install the base enclosure.
How to replace the Battery
Before you begin:
Remove the base enclosure.
WARNING:
To avoid personal injury
and damage to the product,
use extreme care not to puncture,
use extreme care not to puncture, twist,
twist,
or crack the battery.
An internal puncture or rupture to the battery
has the potential to cause a short
which may result in a thermal event.
Removal:
IMPORTANT:
Make careful note of the routing of speaker cable
for later replacement.
Disconnect the battery cable
from its connector on the system board.
Remove the speaker cable from the routing channel
and retention tape around the battery.
Remove the four 3.5 mm P1 Phillips-head screws
that secure the battery to the top cover.
Lift the battery off of the alignment pins
on the top cover
and remove.
Reverse this procedure to install the battery.
How to replace the Front Speakers
Before you begin:
Remove the base enclosure
and battery.
Removal:
IMPORTANT:
Make careful note of the routing of front speaker cable
for later replacement.
Disconnect the front speaker cable
from its connector on the system board.
Remove the two 5 mm P1 Phillips-head screws
that secure the front speakers to the top cover.
Lift the front speakers off of the alignment pins
on the top cover and remove.
IMPORTANT:
When replacing the front speakers,
ensure the four rubber screw gaskets
are properly installed.
Reverse this procedure to install the front speakers.
How to replace the Touchpad Board
Before you begin:
Remove the base enclosure,
battery,
and front speakers.
Removal:
Using minimal force,
lift the locking bar up
on the touchpad board ZIF connector
and disconnect the touchpad board ribbon cable
from the touchpad board.
Remove the two 3 mm P1 Phillips-head
and two 2.5 mm P0 Phillips-head screws
that secure the touchpad board bracket
to the top cover.
Lift the touchpad board bracket off of the alignment
pins on the top cover and remove.
Peel back the grounding tape
that secures the touchpad board
to the top cover.
Remove the three 2 mm P1 Phillips-head screws
that secure the touchpad board to the top cover.
Lift the touchpad board off of the alignment pins
and remove the retention tabs from cut outs
in the top cover.
Remove the touchpad board.
Reverse this procedure to install the touchpad board.
How to replace the System Board
Before you begin:
Remove the base enclosure,
battery,
solid state drive,
wireless module,
and display panel assembly.
Removal:
IMPORTANT:
Make careful note of the routing of all cables
connected to the system board
for later replacement.
Remove the power connector cable
from the retention clips on the top cover.
Using minimal force,
lift the locking bar up
on the fingerprint reader cable ZIF connector
and disconnect the fingerprint reader ribbon cable
from the system board.
Disconnect the front speaker cable
from its connector on the system board.
Using minimal force,
lift the locking bar up
on the touchpad board ZIF connector
and disconnect the touchpad board ribbon cable
from the system board.
Using minimal force,
lift the locking bar up
on the keyboard ZIF connector
and disconnect the keyboard ribbon cable
and disconnect the keyboard ribbon cable from the system board.
from the system board.
Using minimal force,
lift the locking bar up
on the keyboard backlight ZIF connector
and disconnect the keyboard backlight ribbon cable
from the system board.
Disconnect the rear speaker cable
from its connector on the system board.
Remove the five 2 mm P1 Phillips-head screws
that secure the system board to the top cover.
Lift the fingerprint reader bracket
off of the system board
and remove.
Remove the two 3 mm P1 Phillips-head screws
that secure the system board to the top cover.
Remove the two 3 mm P1 Phillips-head screws
that secure the fan to the top cover.
Grasping the system board near the center,
carefully lift the left edge of the system board
off of the alignment pins
and slide external connectors out of the cut outs
in the top cover.
Note:
Before installing a system board,
remove the following from the old system board
and install on the new system board:
Heatsink
Power Connector Cable
EMI Shielding Cans
USB Covers
Reverse this procedure to install the system board.
IMPORTANT:
After system board replacement,
be sure to complete post-installation tasks
as required that may include:
Verifying functionality of the notebook
Updating the BIOS
Updating DMI and other settings
How to replace the Rear Speakers
Before you begin:
Remove the base enclosure,
battery,
solid state drive,
wireless module,
display panel assembly,
and system board.
Removal:
IMPORTANT:
Make careful note of the routing of rear speaker cable
for later replacement.
Remove the rear speaker cable
from the routing channel
and retention tape on the top cover.
Remove the two 5 mm P1 Phillips-head screws
that secure the rear speakers to the top cover.
Lift the rear speakers off of the alignment pins
on the top cover and remove.
IMPORTANT:
When replacing the rear speakers,
ensure the four rubber screw gaskets
are properly installed.
Reverse this procedure to install the rear speakers.
How to replace the Display Panel Assembly/Top Cover
Before you begin:
Remove the base enclosure
and wireless module.
Removal:
IMPORTANT:
Make careful note of the routing of the webcam
and display panel cables for later replacement.
Using minimal force,
lift the locking bar up
on the webcam cable ZIF connector
and disconnect the webcam cable
from the system board.
Remove the webcam and wireless antenna cables
from the routing channel
that secures them to the top cover.
Peel back the retention tape,
use minimal force to lift the locking bar up
on the display panel cable ZIF connector,
and disconnect the display panel cable
from the system board.
Remove the display panel cable
from the routing channel
that secures it to the top cover.
Remove the 6 mm P1 Phillips-head screw
that secures the left display panel hinge
to the top cover.
Open the left display panel hinge.
Remove the two 6 mm P1 Phillips-head screws
that secure the right display panel hinge
to the top cover.
Open the right display panel hinge.
Slide the top cover out from under the display panel hinges
and remove.
NOTE:
Before installing a new top cover,
remove all components
from the old top cover
and install them onto the new top cover.
Reverse this procedure
to install the display panel assembly
or top cover.