3. Bottom peripheral covers
1) Close screen, if open, and invert laptop. Remove (6) screws from the cover plates using #0 or #1 phillips screwdriver.
2) Remove memory, HDD, and WLAN card, as applicable.
HDD = (2) screws, slide toward screw holes, lift connection end.
RAM = (2) tabs outward, SODIMM pops up, slide out.
WLAN = (2) tabs outward, disconnect antenna wires.