Acer Aspire One 522 PART 1. RAM & HDD change

Changing / upgrading the RAM and Hard drive on an Acer Aspire One 522 netbook. When taking off the keyboard, remove keys F4 F8 F12 and DEL. You will see small catches which should be pushed back. After you have done that you push through a 4mm by 4mm square in the area where the battery is attached. The 4mm by 4mm hole is shown in the video. Just follow and pause if need be. All steps are shown.