HD does not unmount booted from Ext HDNormally no problem; recently boots but error notice: "cannot unmount disk; close all applications & files". I re-installed l...
Answer to: HD does not unmount booted from Ext HDFinally found a solution. After so many trials & errors, I may have lost track of each. Downloading & re-intalling the 10.6.3 update, cloning my HD to the external boot device anew allowed me to run Disk Utility & other maintenance. These appear to have been the solution.
Answer to: HD does not unmount booted from Ext HDThank you, mayer. I hadn't thought of that. Sadly it tells me only Finder is open. At some point I will try reinstalling Snow Leopard.