Tong Sun, this bug report is being closed due to your last comment
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
ati/+bug/1072364/comments/5 regarding this being fixed with an update.
For future reference you can manage the status of your own bugs by
clicking on the current status i
Don't know if it works for Ubuntu 13.04, but the LUbuntu 13.10 that I
just tried works now.
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https://bugs.launchpad.net/bugs/1072364
Title:
HDMI stop working for Ubuntu 12.10
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: xserver-xorg-video-ati (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/10723
Oh, forgot to mention, although the video/image is not shown on my TV,
the sound play though HDMI just fine.
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https://bugs.launchpad.net/bugs/1072364
Title:
HDMI stop working for Ubuntu
** Tags added: quantal
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Title:
HDMI stop working for Ubuntu 12.10
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Found out my ATI Radeon card:
VGA compatible controller: ATI Technologies Inc RS780M/RS780MN [Radeon
HD 3200 Graphics]
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https://bugs.launchpad.net/bugs/1072364
Title:
HDMI stop working
** Package changed: ubuntu => xserver-xorg-video-ati (Ubuntu)
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Title:
HDMI stop working for Ubuntu 12.10
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