Heat sink assembly
All heat sink assembly spare part kits include replacement thermal material.
Description Spare part number
Heat sink for use in models with UMA graphics 910980-001
Heat sink for use in models with discrete graphics 910981-001
Before removing the 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. Disconnect all external devices connected to the computer.
3. 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.
4. Remove the following components:
a. Service door (see Service doors on page 32).
b. Hard drive (see Hard drive on page 34)
c. WLAN module (see WLAN/Bluetooth combo card on page 38)
d. WWAN module (see WWAN module on page 40)
e. Keyboard (see Keyboard on page 43)
f. Top cover (see Top cover on page 50)
g. Battery (see Battery on page 62)
h. System board (see System board on page 68)
Remove the heat sink assembly:
1. Position the system board upside-down.
2. Discrete models: In the order indicated on the heat sink, loosen the 6 captive Phillips screws (1)–(6)
that secure the heat sink to the system board.
72 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
To Next Page
Loading...
