Lenovo 42421A0 Laptop User Manual


 
6. Find the notch on the contact edge side of the SO-DIMM you are installing.
Attention: To avoid damaging the SO-DIMM, do not touch its contact edge.
With the notched end of the SO-DIMM toward the contact edge side of the socket, insert the SO-DIMM
into the socket at an angle of about 20 degrees (1); then press it in rmly. Pivot the SO-DIMM downward
(2) until it snaps into place.
Note: Be sure to install the new memory module in the slot where the old one was originally installed.
7. Make sure that the SO-DIMM is rmly xed in the slot and cannot be moved easily.
8. Put the memory slot cover back in place (1), close the cover (2), and tighten the two screws (3).
9. Reinstall the battery. See “Replacing the battery” on page 119.
10. Turn the computer over again. Connect the ac power adapter and cables to the computer; then turn it on.
Chapter 6. Replacing devices 145