CKEditor or WordPress?

I installed CKEditor a couple of weeks ago and it worked fine. Suddenly the editing toolbar disappeared from my Edit pages and posts. I have disabled and enabled, deleted and reinstalled and even the standard WordPress editor did not reappear. I have looked through a bunch of documentation looking for a toggle that might turn it off to know avail.

Any thoughts about where I should look to fix this problem? My site was almost ready for prime time.