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Replacing the Processor
DellStudio™540ServiceManual
1. Follow the procedures in Before You Begin.
2. Remove the computer cover (see Replacing the Computer Cover).
3. Disconnect the power cables from the ATX POWER and ATX_CPU connectors (see System Board Components) on the system board.
4. Remove the processor fan and heat sink assembly from the computer (see Replacing the Processor Fan and Heat Sink Assembly).
5. Press and push the release lever down and out to release it from the tab that secures it.
6. Open the processor cover.
7. Lift up the processor to remove it from the socket, place it aside in a safe and secure place.
Leave the release lever extended in the release position so that the socket is ready for the new processor.
8. Unpackthenewprocessor,becarefulnottotouchtheundersideoftheprocessor.
CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best
practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
NOTICE: Do not perform the following steps unless you are familiar with hardware removal and replacement. Performing these steps incorrectly could
damage your system board. For technical service, see the Setup Guide.
CAUTION: Despite having a plastic shield, the heat sink assembly may be very hot during normal operation. Be sure that it has had sufficient time
to cool before you touch it.
NOTE: Unless a new heat sink is required for the new processor, reuse the original heat sink assembly when you replace the processor.
1
processor cover
2
processor
3
socket
4
release lever
NOTICE: When removing or replacing the processor, do not touch any of the pins inside the socket or allow any objects to fall on the pins in the socket.
NOTICE: Ground yourself by touching an unpainted metal surface on the back of the computer.