HP ENVY 13-ab000 Envy Notebook PC model numbers 13-ab001 through 13-ab099; CTO - Page 42

Fans, Release the wireless antenna cables and the display panel cable from the retention clips

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Fans Description Fan, left (includes cable) Fan, right (includes cable) Spare part number 909629-001 856230-001 Before removing either of the fans, 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 27). 5. Disconnect the battery cable from the system board (see Battery on page 29). Remove the fans: 1. Disconnect the fan cables (1) from the system board. 2. Release the wireless antenna cables and the display panel cable from the retention clips (2) and the routing channels (3) built into the fans. 3. Remove the four Phillips PM2.0×4.5 screws (4) that secure the fans to the keyboard/top cover. 4. Remove the fans (5). Reverse this procedure to install the fans. 34 Chapter 5 Removal and replacement procedures

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Fans
Description
Spare part number
Fan, left (includes cable)
909629-001
Fan, right (includes cable)
856230-001
Before removing either of the fans, 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
27
).
5.
Disconnect the battery cable from the system board (see
Battery
on page
29
).
Remove the fans:
1.
Disconnect the fan cables
(1)
from the system board.
2.
Release the wireless antenna cables and the display panel cable from the retention clips
(2)
and the
routing channels
(3)
built into the fans.
3.
Remove the four Phillips PM2.0×4.5 screws
(4)
that secure the fans to the keyboard/top cover.
4.
Remove the fans
(5)
.
Reverse this procedure to install the fans.
34
Chapter 5
Removal and replacement procedures