Heat sink assembly
Description Spare part number
Heat sink for use in models with Intel Core processors and integrated UMA graphics L23192-001
Heat sink for use in models with Intel Core processors and discrete graphics L23191-001
Heat plate for use in fanless models with Intel Pentium and Celeron processors L23190-001
Before removing the heat sink, follow these steps:
1. Shut down the computer.
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 29).
5. Remove the battery (see Battery on page 31).
To remove the heat sink assembly from products with integrated UMA graphics:
1. In the order indicated on the heat sink assembly, remove the four 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).
Component replacement procedures 43
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