Trying to run 3 monitors on 2 graphics cards

[kir13y]

I have 2 graphics cards in my custom build desktop. I have 1. ATI Radeon HD 4800 Series and 2. NVIDIA GeForce 8400 GS. I am running the three monitors fine but the monitors are in the wrong order. I am using the Catalyst control center to try and put them in order. On the detect displays tab it will identify the monitors in the correct order but, only 2 monitors show that they are enabled. I cant figure out how to enable the last one. I tried clicking and double clicking and right clicking, but nothing will work... Thanks in advance.

 

[nukemaster]

I would use Windows built in manager for this.

Control Panel -> Appearance and Personalization -> Display -> Screen Resolution

You should be able to extend and move screens this way.