Boot Camp partitions not working after installing OS X Lion
The OS X 10.7 upgrade should work independently of your Boot Camp installations, but some people may find that after upgrading to Lion their Boot Camp installations are no longer accessible. In some instances the Boot Camp partition will disappear and will not show up in the start-up disk preferences or in the Finder. In other instances the volume may still be present in OS X but will not boot when attempting to load Windows. The reason for these problems may be as simple as an improperly configured driver or because of custom partition configurations on your boot drive.… Read more