Ive recently had this problem and wondering how to fix, but mine got uploading files of JS in TinyMCE plugin, that helped me to view the Editor buttons. In my case it was easily fixed, however there are few more types but you should know how to fix the white text and missing buttons issue in WordPress visual editor.

Sometimes we might blindly click Toggle Toolbar, so try once more time whether that is working or not  n most cases it gets corrupted or for CACHE issues, so I might suggest you to check these things. [Read more…]