Replacing The Cpu Heat Sink - Lenovo 40221GU Hardware Maintenance Manual

Replacing the CPU heat sink

5. Detach the TV tuner card from the TV tuner card connector.
6. Align then insert the new TV tuner card to the TV tuner connector.
7. Screw back the two screws on the TV tuner card.
8. Connect the antenna cable to the TV tuner card.
9. Install the LCD panel. Refer to steps 5 to 6 of the "Replacing the LCD
panel" section.
10. Install the computer cover. Refer to "Completing the installation" .
To replace the CPU heat sink
1. Remove the computer cover. Refer to "Removing the computer cover".
2. Remove the LCD panel. Refer to steps 2 to 4 of the Replacing the LCD
panel section.
3. Disconnect all the cables from the upside of the system board.
Chapter 7. Replacing hardware
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