Heat Sink And Gaskets - Lenovo 12B800DDGE Hardware Maintenance Manual

Heat sink and gaskets

Prerequisite
Before you start, read Generic Safety and Compliance Notices, and print the following instructions.
The heat sink might be very hot. Before you open the computer cover, turn off the computer and wait several
minutes until the computer is cool.
For access, remove the following parts in order:
• Remove the computer stand. See "Computer stand" on page 49.
• Remove the rear cover. See "Rear cover" on page 52.
• Remove the system board shielding. See "System board shielding" on page 54.
Removal steps
Notes:
• Carefully remove the screws from the system board to avoid any possible damage to the system board.
The screws cannot be removed from the heat sink.
• You might have to gently twist the heat sink to free it from the microprocessor.
• Do not touch the thermal grease while handling the heat sink.
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