Dell Inspiron 3670 Service Manual - Page 42

25 Replacing the processor WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: If either the processor or the heat sink is replaced, use the thermal grease provided in the kit to ensure that thermal conductivity is achieved. NOTE: A new processor ships with a thermal pad in the package. In some cases, the processor may ship with the thermal pad attached to it. Topics: • Procedure • Post-requisites Procedure 1 Ensure that the release lever on the processor socket is fully extended in the open position. Then align the notches on the processor with the tabs on the processor socket and place the processor in the processor socket. CAUTION: The pin-1 corner of the processor is marked with a triangle that must align with the triangle marking on the pin-1 corner on the processor socket to ensure that the processor is properly seated. When the processor is properly seated, all four corners are aligned at the same height. If one or more corners of the processor are higher than the others, the processor is not seated properly and closing the securing bracket may permanently damage the processor. CAUTION: Ensure that the securing-bracket notch is positioned underneath the alignment post. 2 When the processor is fully seated in the socket, close the securing bracket. 3 Pivot the release-lever down and place it under the tab on the securing bracket. Post-requisites 1 Replace the processor fan and heat-sink assembly. 2 Replace the computer cover. 42 Replacing the processor