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Inspiron 3891 Service Manual

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Installing the processor

Prerequisites

If you are replacing a component, remove the existing component before performing the installation process.

About this task

NOTE If either the processor or the fan and heat-sink assembly is replaced, use the thermal grease provided in the kit to ensure that thermal conductivity is achieved.

The following image(s) indicate the location of the processor and provides a visual representation of the installation procedure.

Installing the processor

Steps

  1. Ensure that the release lever on the processor socket is fully extended in the open position.
    NOTE The pin-1 corner of the processor has a triangle that aligns with the triangle on the pin-1 corner on the processor socket. 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.
  2. Align the notches on the processor with the tabs on the processor socket and place the processor in the processor socket on the system board.
    NOTE Ensure that the processor-cover notch is positioned underneath the alignment post.
  3. When the processor is fully seated in the socket, pivot the release-lever down and place it under the tab on the processor cover.

Next steps

  1. Install the fan and heat-sink assembly.
  2. Install the fan shroud.
  3. Install the left-side cover.
  4. Follow the procedure in After working inside your computer.

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