The MATE desktop; when used with dual monitors by default only shows the panels on one screen or the other. The solution is to right-click on the panels and opt to add a new panel. Then drag this new panel to the other screen end on to the first panel. This will give you a … Read more
This extension allows you to have a panel on both monitors with Gnome Shell 3.6. I use this extension and it works perfectly, allowing the Gnome Shell desktop to properly span both screens with a panel on each one: https://extensions.gnome.org/extension/323/multiple-monitor-panels/. This extension allows you to have a Macintosh OSX styled dock on the left of … Read more
The Xfce4 desktop I have just tried on Linux Mint 14 is the best desktop environment to use if you are wanting to enjoy a dual monitor desktop. The panels can span across both monitors and the wallpaper can also be spanned across the dual screens. This means that it is a perfect desktop if … Read more
This is what Gnome 3 looks like on dual monitors, the wallpaper is spanned across both screens on the wide desktop but the Gnome panels are stuck on one screen. This is one of the consequences of developing a desktop for touch devices that can not use dual screens, you only see these bugs on … Read more