HP Pro Mini 400 G9 Desktop PC Maintenance and Service Guide - Page 44

Processor

Page 44 highlights

3. Thoroughly clean the thermal material from the surfaces of the heat sink and the system board components each time the heat sink is removed. Replacement thermal material is included with the heat sink and system board spare part kits. The following illustration shows the replacement thermal material locations. Be sure that the heat sink has thermal grease (1) and thermal pads (2) as shown in the following illustration. IMPORTANT: Tighten heat sink retaining screws in diagonally opposite pairs (as in an X) to evenly seat the heat sink on the processor to avoid damage that could require replacing the system board. To replace the processor heat sink, reverse the removal procedures. Processor To remove the processor, use these procedures. For list of available processors, see Computer major components on page 5. Before removing the processor, follow these steps: Processor 37

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3.
Thoroughly clean the thermal material from the surfaces of the heat sink and the system board
components each time the heat sink is removed. Replacement thermal material is included with the
heat sink and system board spare part kits. The following illustration shows the replacement thermal
material locations.
Be sure that the heat sink has thermal grease
(1)
and thermal pads
(2)
as shown in the following
illustration.
IMPORTANT:
Tighten heat sink retaining screws in diagonally opposite pairs (as in an X) to evenly seat the
heat sink on the processor to avoid damage that could require replacing the system board.
To replace the processor heat sink, reverse the removal procedures.
Processor
To remove the processor, use these procedures.
For list of available processors, see
Computer major components
on page
5
.
Before removing the processor, follow these steps:
Processor
37