Your friend really should back up his data. Probably a very good idea to do that all of the time! Especially a good idea before upgrading to a new OS making a complete copy of the users startup drive is insurance incase something goes wrong. ;) Jens On Jun 13, 2014, at 10:06 AM, Paul Moortgat <paul.moortgat at pandora.be> wrote: > A friend bought 10.6 and when he started with it he didn't got a screen what to do. > Upgrade 10.5 or install a new system 10.6. He's afraid that a new system will be installed and he'll loose his data on that HD. > In the old (!) days there was that question. > > Paul Moortgat Jens Selvig ...Lost in Montana...