HP ProBook 4446s HP ProBook 4445s Notebook PC HP ProBook 4446s Notebook PC - M - Page 74

Processor, include thermal material.

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NOTE: For discrete models, thoroughly clean thermal material from the surfaces of the system board components (1) and (3) and the heat sink (2) and (4) each time you remove the heat sink. All heat sink and processor spare part kits include thermal material. NOTE: When installing the heat sink, always tighten the screws in the order stamped on the components. NOTE: For UMA models, thoroughly clean thermal material from the surface of the system board (1) and heat sink (2) each time you remove the heat sink. All heat sink and processor spare part kits include thermal material. NOTE: When installing the heat sink, always tighten the screws in the order stamped on the components. Reverse this procedure to install the heat sink. Processor NOTE: All processor spare part kits include replacement thermal material. 66 Chapter 4 Removal and replacement procedures

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NOTE:
For discrete models, thoroughly clean thermal material from the surfaces of the system
board components
(1)
and
(3)
and the heat sink
(2)
and
(4)
each time you remove the heat sink. All
heat sink and processor spare part kits include thermal material.
NOTE:
When installing the heat sink, always tighten the screws in the order stamped on the
components.
NOTE:
For UMA models, thoroughly clean thermal material from the surface of the system board
(1)
and heat sink
(2)
each time you remove the heat sink. All heat sink and processor spare part kits
include thermal material.
NOTE:
When installing the heat sink, always tighten the screws in the order stamped on the
components.
Reverse this procedure to install the heat sink.
Processor
NOTE:
All processor spare part kits include replacement thermal material.
66
Chapter 4
Removal and replacement procedures