TinyMCE not showing icons

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My client's site has been up and running for a month with no trouble. Then for seemingly no reason, TinyMCE has blown up; icons aren't showing. I'm not getting any Javascript errors. I've attached a screenshot. Has anyone run into this before?

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Mnkras replied on at Permalink Reply
Mnkras
what happens when you moused over them? did you try re installing tinyMCE?
simon8or replied on at Permalink Reply
Same here. When I try to add content I do not see the icons on the editor. It's just a gray area. I can type in that area, but I don't have the icons. I removed the file tiny_mce and replaced it with a new one and nothing changed. Any suggestions?
wedding replied on at Permalink Reply
wedding
Since 2006, I've been a Joomla guy. So recently I went to set up a new web site, and on Joomla, the tinymce icons were not there. So I tried JCE editor, same problem. So I then looked at all our web sites. What a mix (OK means the icons are displayed, not OK means the icons do not display... just a grey box, but mousing over does show the text)

Joomla 2.5.9 OK, another Joomla 2.5.9 not OK, upgraded to 2.9.14 not OK

Joomla 1.5.26 Not OK, another one, the same Not OK (both are old sites and have not been touched in years... but they worked back then.

Joomla 2.5.6 OK with three of that version (two very active, so I don't intend to mess with them)

We even tried a new install of Joomla 3.0. Not OK.

Wordpress 3.6 OK, but not what we need.

So then I installed Concrete5, and was very surprised to see the same problem as with half the Joomla sites. No icons but mouseover does display the text.

No idea what the problem is and hours reading forums has not solved it.

Appreciate your help.
wedding replied on at Permalink Reply
wedding
SOLVED: I spent three hours on the phone with inmotionhosting.com technical support and they finally cracked it.

Turns out that the email system (PostBox) that is also on the server does not disconnect, but sets itself to idle. This consumes resources and for some odd reason (they had never seen this before), it causes the icons in text editors to not display.

Solution was to shut down email, clear the caches, and the icons reappeared. Now I need to either find out how to get PostBox to behave itself (only switch on to check email, then disconnect) or find another email client.

Obviously, this was a very obscure cause that few service providers would have had the time or knowledge to solve. I am documenting it so that others who encounter the same problem should first do simple things like this, before digging into source code.
wedding replied on at Permalink Reply
wedding
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wedding
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