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Entry  Thu Sep 2 21:22:31 2010, Sanjit, Koji, Configuration, Computers, rossa nvidia driver and dual monitor configuration 
    Reply  Thu Sep 2 23:35:33 2010, rana, Configuration, Computers, rossa nvidia driver and dual monitor configuration 
       Reply  Fri Sep 3 11:23:16 2010, josephb, Configuration, Computers, rossa nvidia driver and dual monitor configuration 
    Reply  Sun Sep 5 21:35:41 2010, rana, Configuration, Computers, rossa notes 
       Reply  Tue Sep 7 10:50:53 2010, josephb, Configuration, Computers, rossa notes 
          Reply  Sat Sep 11 03:16:51 2010, rana, Configuration, Computers, rossa notes 
             Reply  Sun Sep 12 22:36:03 2010, rana, Configuration, Computers, rossa notes 
       Reply  Tue Sep 7 23:17:45 2010, sanjit, Configuration, Computers, rossa notes 
Message ID: 3559     Entry time: Sun Sep 12 22:36:03 2010     In reply to: 3557
Author: rana 
Type: Configuration 
Category: Computers 
Subject: rossa notes 

I found Sanjit's instructions for doing the Nvidia settings too complicated and so I followed these instructions from Facebook:

http://www.facebook.com/notes/centos-howtos/installing-nvidia-display-drivers-on-centos-55/399295987425

After installations, the monitors were autodetected and the Xinerama effect is working.

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