Surgery on my Acer Aspire One

When I picked up the new computer, I noticed reading online that it said you could replace the installed 512 ram chip with a 1 gig module and since that gig module was only 12 bucks on Amazon, how could I go wrong and pressed the one click button. Then I started looking around for directions and ran into this YouTube video and cringed. And started going though the message boards. It was split