Follow these steps to install memory:
Turn off the computer, unplug the AC adapter (if connected) and remove
the battery pack. Then turn the computer over to access its base.
Remove the screws from the memory cover; then lift up and remove the
(a) Insert the memory module diagonally into the slot, then (b) gently press
it down until it clicks into place.
Replace the memory cover and secure it with the screw.
Reinstall the battery pack, and reconnect the AC adapter.
Turn on the computer.
The computer automatically detects and reconfigures the total memory size.
Please consult a qualified technician or contact your local Acer dealer.