Heat sink
NOTE: The heat sink spare part kit includes replacement thermal materials.
Description Spare part number
Heat sink for use in models with 8250U/8550U processors and GeForce GTX 1050 graphics L20338-001
Heat sink for use in models with 8300H/8750H processors and GeForce GTX 1050/1050 Ti graphics L20339-001
Heat sink for use in models with 8300H/8750H processors and GeForce GTX 1060 Max-Q L20340-001
Heat sink for use in models with 8300H/8750H processors and Radeon RX 560 graphics L20341-001
Thermal pad kit (for use on system board components serviced by the heat sink) L23785-001
Before removing the heat sink, 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 bottom cover (see Bottom cover on page 36).
5. Remove the battery (see Battery on page 39).
To remove the heat sink assembly:
1. In the order indicated on the heat sink assembly, remove the seven Phillips M2.0×3.0 screws (1) that
secure the heat sink to the computer.
2. Lift the heat sink assembly from the computer (2).
52 Chapter 5 Removal and replacement procedures for Authorized Service Provider parts
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