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In Ubuntu classic, Ubuntu classic (no effects) and safe mode the interface Panel is missing in Natty 11.04, but it is normal in Unity 3D. How do I solve this problem?

safe mode Interface Screen-shot of the problem.

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Which panel are you referring to? can you post a screenshot? – Mark Rooney May 7 '11 at 2:47
can you run a pkill gnome-panel from there, and see if it pops back out? – hansioux May 7 '11 at 5:38
@hansioux I tried,but dosn't work – Bakhtiyar May 7 '11 at 6:57
There should be a top and a bottom panel in classic try "metacity --replace" – robin0800 May 7 '11 at 8:38

In classic, hit Alt+F2 to bring up the run dialog. Then type gnome-panel.

If that doesn't work, try typing gnome-panel into a terminal. Then update your question with the error message(s) displayed.

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thx a lot! I have solved this problem... – Bakhtiyar May 7 '11 at 16:30
@Bakhtiyar: If my answer was what helped you solve the problem, please accept it so that other people can benefit. If there was some other solution, please write it up in your own answer and accept that. – Scott Severance May 8 '11 at 3:17

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