HP ENVY 14-3090ca HP ENVY14 SPECTRE Maintenance and Service Guide IMPORTANT! T - Page 70
The thermal material must be thoroughly cleaned from the surfaces of the post controller hub heat sink
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Reverse this procedure to install the processor heat sink. Remove the post controller hub heat sink: 1. Loosen the captive Philllips screw (1) that secures the post controller hub heat sink to the system board. 2. Remove the post controller hub heat sink (2). NOTE: Due to the adhesive quality of the thermal material located between the post controller hub heat sink and system board, it may be necessary to move the post controller hub heat sink from side to side to detach it. The thermal material must be thoroughly cleaned from the surfaces of the post controller hub heat sink and the post controller hub each time the post controller hub heat sink is removed. Replacement thermal material is included with the post controller hub heat sink and system board spare part kits. 62 Chapter 4 Removal and replacement procedures