Ubuntu 13.04 External Monitor problem

[Lindsay Parker]

I am having issues with the new Ubuntu 13.04 upgrade. I upgraded this weekend at home and had no issues, but when I got to work this morning and tried to setup my laptop with an external monitor, like I have used with Ubuntu 12.10, the both screens are displayed; however, the Launcher sidebar is missing on both monitors and I have no choice but to shutdown the laptop and use only the laptop display. This is an obvious bug in 13.04. Is there a fix yet, and if not, is there at least people working on this issue? Below are my specs resulting from "sudo lshw -C display; lsb_release -a; uname -a". Thanks in advance!

  *-display
       description: VGA compatible controller
       product: Whistler [Radeon HD 6730M/6770M/7690M XT]
       vendor: Advanced Micro Devices [AMD] nee ATI
       physical id: 0
       bus info: pci@0000:01:00.0
       version: 00
       width: 64 bits
       clock: 33MHz
       capabilities: pm pciexpress msi vga_controller bus_master cap_list rom
       configuration: driver=radeon latency=0
       resources: irq:51 memory:d0000000-dfffffff memory:e3820000-e383ffff ioport:7000(size=256) memory:e3800000-e381ffff
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 13.04
Release: 13.04
Codename: raring
Linux lparker 3.8.0-19-generic #29-Ubuntu SMP Wed Apr 17 18:16:28 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

[Ubuntu Foundations Team Bug Bot (crichton)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. It seems that your bug report is not filed about a specific source package though, rather it is just filed against Ubuntu in general. It is important that bug reports be filed about source packages so that people interested in the package can find the bugs about it. You can find some hints about determining what package your bug might be about at https://wiki.ubuntu.com/Bugs/FindRightPackage. You might also ask for help in the #ubuntu-bugs irc channel on Freenode.

To change the source package that this bug is filed about visit https://bugs.launchpad.net/ubuntu/+bug/1174368/+editstatus and add the package name in the text box next to the word Package.

[This is an automated message. I apologize if it reached you inappropriately; please just reply to this message indicating so.]

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[James McLeod (seawuf)]

The Package, icc-profiles-displays, is a wild guess. Being nobody was kicking back any activity on the Bug, I thought I'd assign it to a some group, right or wrong. At that point maybe they'll know which Package it rightfully belongs to. You can only hope.

- Jim

[James McLeod (seawuf)]

The Package, desktop-profiles, is a wild guess. Being nobody was kicking back any activity on the Bug, I thought I'd assign it to a some group, right or wrong. At that point maybe they'll know which Package it rightfully belongs to. You can only hope.

- Jim (2nd try)

[James McLeod (seawuf)]

I didn't realize that Confirmed met 2 or more people with the same problem. Go figure. - Jim

[Reflic (reflic-deactivatedaccount)]

Hello guys,
I Have the same problem.
Every time i plug in a external monitor, the launcher, the menues and the windows frames are missing.
To work normally after that, I have to restart my computer.

I think this error is a compiz problem, because every time when this happend a error is shown, where the Executable Path links to compiz.

I think the problem could be the graphic card: I have a HP Probook 4720s. When I run lspci, the following line shows my grapic card:

`01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI RV710/M92 [Mobility Radeon HD 4350/4550]`

If you need more information, tell me how to gather it and i will post it.
-kevin

[FAUGUSTO (faa-augusto)]

Hi! since 11.10 dual monitor works fine but since upgrade 12.10 to 13.04 is not able. Only the mirror was permited but try to unmirror some erratic behavior occur on login screen(total black) I do re-installed 13.04 and problem still.
 my config is the following

*-display
       description: VGA compatible controller
       product: Trinity [Radeon HD 7640G]
       vendor: Advanced Micro Devices [AMD] nee ATI
       physical id: 1
       bus info: pci@0000:00:01.0
       version: 00
       width: 32 bits
       clock: 33MHz
       capabilities: pm pciexpress msi vga_controller bus_master cap_list rom
       configuration: driver=radeon latency=0t
       resources: irq:54 memory:e0000000-efffffff ioport:3000(size=256) memory:f0300000-f033ffff
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 13.04
Release: 13.04
Codename: raring
Linux A8-G4-HP-NOTE 3.8.0-19-generic #30-Ubuntu SMP Wed May 1 16:36:13 UTC 2013 i686 athlon i686 GNU/Linux

External monitor is a Samsung Syncmaster 721s

[FAUGUSTO (faa-augusto)]

Hi fellows I testing the solution showed on this link

http://askubuntu.com/questions/68185/dual-monitors-behaving-strangely-with-ati-mobility-radeon-hd-3650

The configuration of the drivers is amd fglrx-updates and after to configure sudo amdcccle util now works fine