Currently running XFX Radeon 5850 with 3 23" HP L2335 monitors running in eyefinity. I'm having problems getting this setup to work at the proper resolution. All of the monitors are the same so you would think the computer would recognize this but it doesn't. For the two plugged in via DVI they display the option to use their optimal resolution (1920x1200). While the One monitor plugged in via the displayport using a vga adapter only obtains a maximum reported resolution of 1920x1080. As you can see this causes problems as the setup can only run at the resolution of the lowest monitor (meaning 1920x1080). I have no idea why it keeps detecting any monitor I plug into the displayport as 1920x1080. I've tried all three monitors and all yield the same result. The displayport adapter is ATI certified and is stated to be able to run at a maximum resolution of 1920x1200. The device is the Accell B101B-003B Active Displayport to VGA adapter. I have tried uninstalling and reinstalling several versions of Catalyst Control Center and it still reads the displayport monitor as 1920x1080. Any information or help would be greatly appreciated. The setup still looks nice at 5760x1080 but I would much rather have the optimal resolution of 5700x1200.
Try turning off the "Use EDID...." option in CCC.
Go to....
Desktops & Displays
Click on the small black triangle in the lower...and smaller set of icons...on the display connected via DP and then select Configure
On the next screen, click on the Color tab
Under the Color Temperature Control, uncheck the box in front of "Use Extended....."
Click on Apply and Exit CCC.
Now, right click on the Windows Desktop and select Screen Resolution.
Again, click on the display connected via DP or select it from the drop-down menu.
Click on the Advance Settings option.
On the next screen you should be looking at Adapter Type and your video card name that is installed.
At the bottom is a button for "List All Modes." Click on that.
Now, in the list that comes up, can you now select your desired resolution and Refresh Rate?
If not, then it would appear that the adapter is not providing the signal needed to perform to the monitor's ability and design.
Good luck, though. I think you need a little of that and a whole lot of miracle.