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      CPU removal and installation - ThinkPad Edge E420

      For access, remove these FRUs in order:

      Attention: CPU is extremely sensitive. When you service the CPU, avoid any kind of rough handling.

      Rotate the head of the screw in the direction shown by arrow [1] to release the lock, then remove the CPU [2].

      Please perform the following step as shown in the picture below.

      CPU removal and installation

      When installing: Place the CPU above the CPU socket, and then rotate the head of the screw in the direction shown by arrow [3] to secure CPU.


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      • Alias ID:
      • Document ID: PD015301
      • Last Updated :02 Oct 2014
      • © 2015 Lenovo