Raymond Wan, this bug report is being closed due to your last comment
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1172593/comments/4
regarding you no longer have the original hardware. For future reference
you can manage the status of your own bugs by clicking on the current
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** Changed in: xorg (Ubuntu)
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/1172593
Title:
[Dual monitor] One monitor very dim after 13.04 upgrade
Status in “xorg” package in Ubuntu:
Invalid
Bug description:
Hi all,
After upgrading from 12.10 to 13.04 on a system with two monitors, the
second one became very dim. In fact, it's so dim that I thought it
was blank. Both monitors are fine when booting up and they both show
the "Ubuntu" name with 5 circles underneath...but somewhere during
this point, the second screen blanks. By the time the login screen is
shown, the second monitor is already very dim.
Thinking that this might be caused by incompatible configuration
files, I created a new account and logged in with that -- no
difference.
Thinking that maybe it's a hardware problem with the monitor, I
swapped the DVI cables and the same monitor remained dim. I then
plugged the monitor into another system and the monitor's fine.
The second screen is fine sometimes (i.e., not always) right after the
screen saver activates. I enter my password to unlock the screen
saver and things are ok for a few seconds and then the second monitor
suddenly dims.
This is the output from lspci:
$ lspci -v | grep -i vga
01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Cedar
[Radeon HD 5000/6000/7350 Series] (prog-if 00 [VGA controller])
I'm not sure what steps are required to reproduce this bug since it
always happens to me... I'd be happy to provide more information if I
have an idea what information might be relevant.
Ray
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