indicator-brightness

Icon disappears after updating to Ubuntu 15.04

Asked by Nathan Schneider

While I was in the process of upgrading to Ubuntu 15.04 (after download, before restart), the icon for the brightness indicator disappeared. Now there is a gray box with a red, crossed-out circle in the middle. I tried to uninstall the indicator and then reinstall, but it didn't help. Any idea what is wrong? Thanks so much for this very helpful tool!

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Nathan Schneider
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Gilbert Dion (diong) said : 		#1

I have the same problem: the icon is no logner showing. Instead,there is that box with the crossed-out circle. Hope there will be a update.

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Launchpad Janitor (janitor) said : 		#2

This question was expired because it remained in the 'Open' state without activity for the last 15 days.

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stevenswall (stevenswall) said : 		#3

[FIXED] Workaround:

1. Ctrl+Alt+T
2. "sudo cp -R /usr/share/notify-osd/icons/Humanity/ /usr/share/notify-osd/icons/gnome/"
3. Kill and restart the application, or log out and log back in.

Explanation:

brightness-indicator Python executable "/opt/extras.ubuntu.com/indicator-brightness"
Brightness indicator .desktop file "extras-indicator-brightness.desktop"
Both of these refer to "/usr/share/notify-osd/icons/gnome/scalable/status/notification-display-brightness-full.svg" which no longer exists as the /gnome icon folder is not present. The workaround simply copies the entire /Humanity icon directory for app indicators to a /gnome folder, where both the dash icon and indicator icons will now be found as expected.

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Nathan Schneider (ntnsndr) said : 		#4

Thanks for this @stevenswall. Unfortunately, though, this didn't work for me. Any other ideas?

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stevenswall (stevenswall) said : 		#5

Nathan Schneider: Locate your python executable and the .desktop file for the brightness indicator... Then look at line 126 and Icon= respectively to determine what they are pointing to for the icon.

Place the icon where it needs to go and the problem should be fixed. In my case, it was a brand new install of Ubuntu 15.04 with the indicator added through the PPA. Both of my files pointed to an icon in a gnome directory instead of the Humanity icons directory, so the command above fixes it by duplicating and renaming the Humanity directory to gnome.

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Nathan Schneider (ntnsndr) said : 		#6

Okay, great, thanks for your help! Yeah, since the icon location has to be specified there, I needed to make sure to move a copy of the file into the proper directory. All set!

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Gilbert Dion (diong) said : 		#7

Does that mean that anyone who migrated to 15.04 will have to apply this workaround or there will be an update with a fix?

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Artem Korzhenevskiy (azurlay) said : 		#8

Symbloic link also works as a workaround:
sudo ln -s /usr/share/notify-osd/icons/Humanity /usr/share/notify-osd/icons/gnome

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Howard Fu (howard-fu) said : 		#9

Hi, @stevenswall :p
I'm try, but the computer says, "can not stat '/usr/share/notify-osd/icons/Humanity': no such directory."
what should I do?