Lenovo 70AL Maintenance Manual page 151

5. Gently press down the small handle on the microprocessor socket, and then pull the handle a little bit
outward to release it from the secured position. Then, pivot the handle upward until the handle and the
microprocessor retainer are in the fully open position.
Figure 90. Lifting the handle to open the microprocessor retainer
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Chapter 6 Installing, removing, or replacing hardware