Lenovo 4180L91 Laptop User Manual


 
4. Remove the keyboard. For information how to remove the keyboard, refer to the “Replacing the
keyboard” on page 119.
5. Lift up the insulation sheet (1) to reveal the memory slot. If an SO-DIMM is already in the memory slot,
press out on the latches on both edges of the socket at the same time (2)and remove it (3)to make room
for the new one. Be sure to save it for future use.
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.
7. With the notched end of the SO-DIMM toward the contact edge side of the socket, insert the SO-DIMM
(1) into the socket at an angle of about 20 degrees; then press it in rmly (2).
Note: If you install a memory module in only one of the two memory slots, install it in the slot located
under the keyboard.
8. Pivot the SO-DIMM downward until it snaps into place.
126 User Guide