[Bug 23421] dualhead - 2. monitor off (not just blank / black) on radeon; xrandr

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Sep 2 22:37:06 PDT 2009


--- Comment #4 from Alex Deucher <agd5f at yahoo.com>  2009-09-02 22:37:04 PST ---
(In reply to comment #3)
> and how ?

see this page for more info:

xrandr --addmode <output> <mode>
xrandr --output <output> --mode <mode>

the name of the output and mode will depend on your card and monitors e.g.,
xrandr --addmode VGA-0 1024x768
xrandr --output VGA-0 --mode 1024x768

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