I just bought a Samsung BX2450 LED monitor. I use a 1920x1080 resolution at 60Hz which works fine, but it's not using the full display.
There is a 1cm border on the top/bottom and a 1.5cm border on the left/right. In effect I'm only using 22" of my new 24" monitor.
I installed new drivers for my ATI HD 58xx graphics card and monitor but this didn't help.
Here's a diagram to show what I mean:
The blue area is the actual display of the monitor. If I use a resolution of 1680x1050 then the full display is used but it doesn't look great. If I use 1920x1080 then it uses only the red area of the diagram.
I would hope to end up with a resolution of 1920x1080 filling the blue area.