If you think it’s as easy as “unscrewing that little thing in the back” and replacing RAM modules – you are so wrong 🙂
My facial expression was indeed pretty interesting when I opened the lid on the back of the laptop: “What? Where’s the 2nd one?”. As it turned out later on it is more of a quest rather than an ordinary, 2 minute job.
I found an extremely good tutorial on the Internet – so if you happen to be working with one of those “easily-replaceable RAM” Dells, make sure you read this guide: http://forum.notebookreview.com/dell/130014-how-install-ram-your-dell-notebook.html