6) Pop up the memory
Slide apart the two metal clips. The SO-DIMM memory will pop up.
7) Slide out the memory
Slide out the memory and set aside.
8) Remove the screw in the hard disk slot
9) Pop the keyboard latches
Gently press down with a thin flat screwdriver to release the three latches. The top of the keyboard will pop up slightly.
10) Unplug the keyboard connector, then remove the keyboard
Slide the two black plastic tabs on each side of the keyboard ribbon cable and pull out the cable.
Thanks to share, I have problem with the Wifi card and try to find a manual to show where is it and how to open, again thak you so much, best regards.