Upgrading an iMac has always been a challenge, but with these 2011 models, there's another hurdle besides the intimidating glass and LCD panel removal that awaits those who are brave enough to open one up.

If you've never been under the hood of the aluminum iMac, let me tell you that it's not for the casual user. Here's a quick rundown of the steps involved. I used a toolkit and instructions from .

Suction cups are recommended for removing the glass screen cover, which is held in place by strong magnets. Once the suction cups are in place, it doesn't take much to lift the glass off.

A Torx wrench is required to remove the eight screws holding the LCD panel in place.