Lenovo Z40-75 - Manual (Page 43)

Appendix A. CRU instructions
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6 Remove the DDR3 SDRAM by pressing out on the latches on both edges
of the socket at the same time. Be sure to save the old DDR3 SDRAM for
future use.
7 Align the notch of the DDR3 SDRAM with the protrusion of the socket
and gently insert the DDR3 SDRAM into the socket at a 30-45° angle.
8 Push the DDR3 SDRAM inward toward the socket until the latches on
both edges of the socket are pushed into the closed position.
9 After aligning the attachment clips with their matching gaps, reinstall the
compartment cover.
0 Reinstall and tighten the screws.
A Reinstall the battery pack.
B Turn the computer over again.
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