Hi Parham Perhaps Control+Alt+up and down arrow is used by your graphic card. Make sure, that the hotkeys of your graphic card are disabled. You have to search for these settings in the advanced settings of your graphic card. Good luck. Claudio > -----Original Message----- > From: sib-access-bounce@xxxxxxxxxxxxx > [mailto:sib-access-bounce@xxxxxxxxxxxxx] On Behalf Of Parham Doustdar > Sent: Friday, May 14, 2010 7:58 AM > To: sib-access@xxxxxxxxxxxxx > Subject: [sib-access] Re: Cannot Switch Staves > > Dave, > > The staff doesn't switch at all. I stay on the same staff, > and the same bar, and the same note. I have to switch using > the jaws cursor and the left click button, which is sometimes > impossible. For example, when the playback window is open. > Any other solutions that come to mind? If you wish to unsubscribe, send a blank message with the single word, unsubscribe - in the Subject line to: sib-access-request@xxxxxxxxxxxxx