When using monitor in TwinView, the OS doesn't recognizes it's native resolution, why?

[Ben Tinner]

On Wednesday, 3 August 2011 9:48 AM, jeremy, thomas wrote:
>"Monitor A": Samsung 940N 19" LCD [VGA connection]
>"Monitor B": Samsung 940N 19" LCD [VGA connection]
>VGA card: Nvidia Geforce GT220 [has 1 VGA, 1 HDMI, 1 DVI]
>So I'm using a "DVI to VGA" converter.
>
>Under Windows7: The OS recognizes the 1280x1024 native resolution in both >monitors, hurray!
>
>Under Ubuntu 11.04: The OS recognizes one of the monitors ("Monitor A") 
as a >Samsung, OK! (resolution is good too!). BUT: the other monitor 
("Monitor B") is >recognized as "Unknown", and uses 1024*768. (the 
"other" monitor is the one >that's with a DVI to VGA converter - "Monitor
 B"). I installed the NVIDIA driver >too, but it still recognizes the 
second monitor - "Monitor B" (with the DVI to VGA >converter) as it would
 has a maximum resolution of 1024*768.
>
>Question: How could I "tell" Ubuntu to use the "other" monitor - "Monitor B" with >1280*1024 (the native resolution)???
>
>-- 


Try using System-->Preferences-->Display menu. 
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