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I wanted MyUnity specifically for the ability to have more than 4 virtual desktops, that is really all that I absolutely needed it for. However, then I got to playing with it wanting to customize my themes and whatnot, all was going ok until all my system icons went missing.

That is to say, they're not completely missing, but all folders and files without a live preview show up as a page with a bent-corner. Also, folder icons in the alt-tab popup show up as completely transparent; they still take up room and have a label, just no visible icon. I have tried playing around with myunity themes and icon sets and no matter what I can't seem to get things back to where they were.

This isn't a huge encumbrance but it is starting to get more and more annoying and I feel like I'm missing out in understanding something about how Unity works.

What could have caused this and how do I fix it?

Update: Per a commenter's suggestion I tried running unity --reset-icons. After 15 minutes it was still scrolling by (I assume it was in a loop). Here is what was in my terminal buffer at the time I ctrl+c'ed.

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thy this unity-reset-icons – blade19899 Sep 17 '12 at 14:21
@blade19899 - see update – George Mauer Sep 17 '12 at 14:56
up vote 1 down vote accepted

My Unity lists some more icon themes other than the installed ones, It displays the cursor themes as icon themes also. I suspect you applied some invalid icon theme. Change the icon theme to "Humanity icon theme", it will reset the theme to default.

I suggest using Ubuntu-tweak to change the icon theme, because it doesn't have that behaviour.

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Yeah, I really wish it was just back to the way it was with 6 desktops. That's all that I ever really wanted. – George Mauer Sep 17 '12 at 14:57
After setting the icon, you may want to reset the unity desktop configuration too. See this question – Anwar Shah Sep 17 '12 at 14:59
ah great, Humanity was what I was looking for - do you know what was the default theme by any chance? – George Mauer Sep 17 '12 at 18:31
The default Icon theme is "ubuntu-mono-dark" with the gtk theme "Ambiance". – Anwar Shah Sep 18 '12 at 3:39

Got the same problem, found a way to fix it: "System Settings"->"Appearance"-> Switch Theme.

It restored my icons.


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