I have an older mac (2007). When the note came from Apple to move to iCloud, my wife clicked on yes and then we discovered I needed to upgrade from Leopard to Lion which included a memory upgrade. That took about two months or so to work through my system, but a few days ago I did the upgrade and all is fine.
Until I open iCal. I have lost a load of entries from the iCal I was using before the move. My personal theory is that I was not able to sync the iCal on the mac with the iCloud version after the button was clicked to accept the move to iCloud, so during that period, iCal was just working locally. When I completed the upgrade, iCal synced to the version of the calendar that had moved from MobileMe to iCloud.
Have I lost the changes? is there any way I can get it back?