I just installed Ubuntu 13.10. In the upper right hand corner, instead of the gear icon, a no-entrance icon keeps being displayed, even after reboot. What does that mean? It looks like this:
closed as off-topic by Florian Diesch, Kevin Bowen, Seth, Mateo, Braiam Sep 30 at 1:04
This question appears to be off-topic. The users who voted to close gave this specific reason:
- "Bug reports and problems with the development version of Ubuntu should be reported on Launchpad so that developers can see, track and fix these issues." – Florian Diesch, Kevin Bowen, Seth, Mateo, Braiam
The icons appear to be not the default ones - have you changed them? Anyway, if you have or not, it's because that icon set doesn't contain that icon. Try changing to the default icons, if you haven't changed anything it's probably a bug.