Fan/heat sink assembly
All fan/heat sink assembly spare part kits include replacement thermal material.
Description Spare part number
Fan/heat sink for use in models with UMA graphics L28266-001
Fan/heat sink for use in models with discrete graphics L28267-001
Before removing the fan/heat sink assembly, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is o or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Place the computer in “Battery Safe mode” (Battery Safe mode on page 31).
3. Disconnect all external devices connected to the computer.
4. Disconnect the power from the computer by rst unplugging the power cord from the AC outlet, and
then unplugging the AC adapter from the computer.
5. Remove the following components:
a. Service door (Service doors on page 32).
b. Keyboard (Keyboard on page 40)
c. Top cover (Top cover on page 47)
d. Battery (Battery on page 52)
e. System board (System board on page 55)
Remove the fan/heat sink assembly:
1. Position the system board upside down with the fan/heat sink facing you.
2. Discrete models: In the order indicated on the heat sink, loosen the six captive Phillips screws (1)-(6)
that secure the fan/heat sink to the system board.
58 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
To Next Page
Loading...
