OS X Start up : Menu bar missing
Hi,
MacBook Pro mi-2010, OS X 10.8.2 (clean install).
For some start-ups, the menu bar is missing! (with the apple menu item, at the top of the screen).
The place for it is reserved, the menu bar seems to be invisible.
When you lauch any application from Dock the menu bar is definitively restored (until you restart the system).
It's not happening each time.
Everything is up to date.
If you can help, thank you...
Frank
MacBook Pro, OS X Mountain Lion (10.8.2), Mid-2010