8. Release the webcam cable and the wireless antenna cables from the retention clips (3) built into the right
fan.
9. Disconnect the webcam cable (4) and the display panel cable (5) from the system board:
10. Release the display panel cable from the retention clips (6) built into the left fan.
11. Disconnect the following cables from the system board:
● NFC module cable (ZIF) (7)
● Card reader board cable (ZIF) (8)
● Touchpad cable (ZIF) (9)
● Hard drive cable (10)
12. Remove the WWAN module Mylar shield (11).
The WWAN module Mylar shield is included in the Mylar Kit, spare part number M23344-001.
13. Disconnect the wireless antenna cables (12) from the WWAN module.
The #5/blue WWAN antenna cable connects to the WWAN module #5/Main terminal. The #6/red WWAN
antenna cable connects to the WWAN module #6/Aux terminal.
14. Disconnect the following cables from the system board:
● Fingerprint reader module cable (ZIF) (13)
● SD card board cable (ZIF) (14)
15. Remove the following screws:
● Five Phillips M2.5 × 6.0 screws (1) that secure the system board to the computer
● Four Phillips M2.5 × 6.0 screws (2) that secure the fans to the computer
● Two Phillips M2.0 × 2.9 screws (3) that secure the system board to the computer
92 Chapter 6 Removal and replacement procedures for authorized service provider parts ENWW
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