I needed the machine working, so unfortunately I installed 10.10. I can
confirm that by upgrading, the monitor works (with the KVM). If you'd
still like me to run anything to gather data, just let me know.
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system cannot display extended desktop on Samsung 2333sw
Hi - just wanted to check back on this issue. Any further thoughts? I
need this monitor for my work, so it's quite difficult to not be able to
use it. Any help would be MUCH appreciated.
I am also able to reproduce the error on another system I have--a
Fujitsu Lifebook. I can upload logs if that
Here is some more information. I checked the values below with values of
both 0 and 1 for radeon.new_pll and radeon.modeset=1:
1920x1080 (16:9): Wavy
1600x1200 (4:3): No Video, monitor displays message Not Optimum Mode shows
up, as described earlier.
1680x1050 (16:10): No Video
1440x900 (16:10):
Public bug reported:
Binary package hint: xorg
I installed 10.04 and immediately upgraded to the latest linux-headers.
When i attached my Samsung 2333sw monitor.
I called Canonical support and was advised to chang this line in
/etc/default/grub:
GRUB_CMDLINE_LINUX_DEFAULT=quiet splash
to
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system cannot display extended desktop on Samsung 2333sw
https://bugs.launchpad.net/bugs/664646
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which is subscribed to xorg in ubuntu.
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Mailing list:
** Attachment added: i've attached a movie that shows 1024x768 with the
monitors mirroring each other.
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/664646/+attachment/1705495/+files/CIMG4400.MOV
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system cannot display extended desktop on Samsung 2333sw
1) A wavy display when driving the external monitor at 1024x768.
- I suspect that adding radeon.new_pll=0 (or radeon.new_pll=1) to
GRUB_CMDLINE_LINUX_DEFAULT=quiet splash and running update-grub will fix
this, as this changes the algorithm for selecting the clock frequencies to
drive the
BTW, I also tried changing /etc/default/grub to
GRUB_CMDLINE_LINUX_DEFAULT=quiet splash radeon.modeset=0
(as well as modeset = 1). These were recommended by Canonical support. They
didn't work either.
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system cannot display extended desktop on Samsung 2333sw
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