My computer model is Dell Studio 1555: Pentium Dual Core T4300(2.1GHz,800MHz,1MB), 4096MB 800MHz DDR2 Dual Channel, 512 MB ATI Mobility RADEON HD 4570 using the ATI proprietary driver. My screen resolution is 1366x768 (16:9). This problem has been identified on Ubuntu 11.10 and 12.04
I recently acquired an LG - L203WT monitor but I've found that I can't get the maximum resolution out of it - 1680x1050, which is 16:10 ratio.
The settings in Display show the maximum resolution I can achieve as 1440x900
This is also shown in AMD Catalyst Control Centre
The resolution has to be be 16:10 ratio for it to work, so choosing a 16:9 resolution doesn't work.
As I'm using the proprietary driver using xrandr wont work, so is there any other way to get the maximum resolution of 1680x1050 with the fglrx driver?