Dell Vostro A840 Service Manual

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Dell Vostro A840 Service Manual Manual pdf 10 page image

Back to Contents PageProcessorDell™ Vostro™ A840/A860 Service ManualRemoving the ProcessorReplacing the ProcessorRemoving the Processor1. Follow the instructions in Before You Begin.2. Remove the heat sink (see Processor Heat Sink).3. To loosen the ZIF socket, use a small, flat-blade screwdriver and rotate the ZIF-socket cam screw counterclockwise until it comes to the cam stop.The ZIF-socket cam screw secures the processor to the system board. Make a note of the arrow on the ZIF-socket cam screw.4. Lift the processor from the ZIF socket.Replacing the ProcessorCAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety bestpractices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface(such as a connector on the back of the computer).NOTICE: To prevent intermittent contact between the ZIF-socket cam screw and the processor when removing or replacing the processor, pressto apply slight pressure to the center of the processor while turning the cam screw.NOTICE: To avoid damage to the processor, hold the screwdriver so that it is perpendicular to the processor when turning the cam screw.1 processor 2 pin-1 corner of processor 3 ZIF socket4 ZIF-socket cam screwNOTICE: To ensure maximum cooling for the processor, do not touch the heat transfer areas on the processor heat sink. The oils in your skin canreduce the heat transfer capability of the thermal pads.NOTICE: When removing the processor, pull it straight up. Be careful not to bend the pins on the processor.