3. Detach the keyboard hub cable (3) from the computer. The cable is attached to the computer with
double-sided adhesive.
To replace the keyboard hub cable, reverse the removal procedures.
Fan
To remove the fans, use this procedure and illustration.
Table 6-5
Fan description and part number
Description Spare part number
Fans N19217-001
Before removing the fans, follow these steps:
1. Prepare the computer for disassembly (see Preparation for disassembly on page 41).
2. Remove the service cover (see Service cover on page 41), and then remove the following
components:
a. Battery (see Battery on page 42)
b. WWAN module thermal module (see WWAN module on page 45)
c. Memory module cover (see Memory modules on page 47)
d. Bottom case (see Bottom case on page 60)
Remove the fans:
1. Release the cables from the retention clips (1) that are built into the fans.
2. Disconnect the fan cables (2) from the system board.
3. Loosen the captive Phillips screw (3) that secures each fan to the computer.
64
Chapter 6 Removal and replacement procedures for authorized service provider parts
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