pro tools 10 shortcut does not work in OS Lion 10.7.2

[Cezarstudio]

hi everyone!
Have one problem.
Just yesterday update my system on mac pro with OS Lion 10.7.2
install pro tools 10. and tried to work today on studio but have one problem.
"a"s"e"r"t shortcuts in pro Tools does not work at all.
can anybody help me with this problem?
interesting for me was fact that on my mac book pro with OS Lion 10.7.2 everything work fine and there are no such problems.
please help. i just don't know what to do.
thanks

[meech]

Are you talking about edit window shortcuts, for example R and T being zoom shortcuts? Where is the keyboard focus? In the edit window, click the little "a z" button in the top right, directly above the scroll bar. If it's lit up yellow and the shortcuts still won't work, something is wrong.