Removing the heat-sinkassemblyWARNING: Before working inside your computer, read the safetyinformation that shipped with your computer and follow the steps inBefore working inside your computer. After working inside yourcomputer, follow the instructions in After working inside yourcomputer. For more safety best practices, see the RegulatoryCompliance home page at dell.com/regulatory_compliance.WARNING: The heat sink may become hot during normal operation.Allow sufficient time for the heat sink to cool before you touch it.CAUTION: For maximum cooling of the processor, do not touch theheat transfer areas on the heat sink. The oils in your skin can reducethe heat transfer capability of the thermal grease.Prerequisites1 Remove the battery.2 Remove the optical drive.3 Remove the base cover.4 Remove the hard drive.5 Remove the wireless card.6 Remove the keyboard.7 Follow the procedure from step 1 to step 7 in ”Removing the computerbase".ProcedureNOTE: The number of screws and the appearance of the heat-sinkassembly may be different on your computer depending on theconfiguration you ordered.1 Disconnect the fan cable from the system board.2 In sequential order (indicated on the heat-sink assembly), loosen thecaptive screws that secure the heat-sink assembly to the system board.56
