Replace Heat Sink for OMEN by HP Obelisk 875-1000, 875-0xx, 870-xxx Desktop PC | HP OMEN | HP


Before you begin: Remove the access panel and system fan. Removal: Loosen the four Torx T15 spring-loaded captive screws that secure each corner of the heat sink to the screw pillars on the motherboard. NOTE: Because the screws are spring-loaded there is no specific order of removal. Lift the heat sink off of the CPU and up and out of the chassis to remove it. NOTE: If you are reusing the heat sink, remove the thermal grease with an alcohol swab. CAUTION: This desktop also supports a liquid cooling heat sink solution. If installed, please refer to the removal instructions provided by the manufacturer of this heat sink solution. Replacement: NOTE: Replace the thermal grease before replacing the heat sink. The thermal grease should be replaced every time the heat sink is removed. Place the heat sink over the CPU and align the four captive screws to the corresponding screw pillars on the motherboard. Tighten the four Torx T15 spring-loaded captive screws that secure each corner of the heat sink to the motherboard.

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