Ubuntu, Geforce 210 and two monitors?

Question

linux

Given:
Mint under XFCE. Asus Geforce 210 video card Two (identical) monitors are connected, one to the VGA connector, the other through an adapter to DVI. There are proprietary Nvidia drivers.
The monitor connected via an adapter works strangely, by default it is 1024x768, and only 1360x768, 1152x864, 1024x768 and less are available for this monitor in the resolution selection list in Nvidia X Server Settings.
The second monitor defaults to 1280x1024.
Required:
Both monitors at 1280.

Answer 1

Somehow I messed around with xorg.conf then, replacing something there at the second monitor with the one copied from the first one (what was incorrectly determined through the adapter) and it all worked.