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I use Radeon HD 5450. I need work with Dual monitor.

One try (Not Working):

  • The first monitor is in VGA onboard input.
  • The second monitor on VGA Radeon 5450.

Second try (Not Working):

  • The first monitor on VGA Radeon 5450.
  • The second monitor on DVI Radeon 5450 (i use this adaptor DVI_VGA).

How i can play two monitor, this not working?

I use Ubuntu 12.04.

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What is not working? Did you use the monitor settings? –  exic Oct 13 '12 at 13:24

1 Answer 1

I got the same card to work this way:

  • Create new xorg.conf using aticonfig --initial (it is installed by packages fglrx/fglrx-updates), it complained about something but since I had no other option I ignored it
  • move xorg.conf as root to /etc/X11/xorg.conf if necessary
  • edit it so that the part Virtual 3200 3200 appears in every Subsection "Display"
  • Restart X (in my case sudo service lightdm restart)

My setup is like your second try but without an adaptor.

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