Hello, Look at your time machine backup settings. If that is what the installer is telling you.
Gena On 24 Oct 2013, at 11:48, Paul Hopewell <hopew...@hopewell.org.uk> wrote: > Hello, > I am having problems installing Maverick on my 2009 iMac model. > > I went to App store and pressed the free upgrade button. That downloaded > about 5 GB. On download completion I was asked to agree the licence which I > did. I was then asked to select the disk on which to install Maverick. > > I normally have 2 disks Mac HD which is the hard disk inside the iMac and an > external disk Mac Backup which I use for time machine backups and SuperDuper! > backups. > > Before trying to install Maverick I unplugged Mac Backup. I did that in case > the install of Maverick damaged the SuperDuper! backup I had just taken to > rescue my system if Maverick proved troublesome. > > The choice of disks offered by Maverick was thus only Mac HD but this was > dimmed as it was flagged as "used for time machine backups" which is not > true! > > So I could not install Maverick. > > I then plugged in Mac Backup so that Maverick install had the choice of two > disks. It did not like Mac Backup as it claimed that this had no guide > partition, and it did not like Mac HD as it still thought that this was used > for time machine backups. > > Any thoughts on what I should do? Should I perhaps plug Mac Backup in again > and retry the Maverick download and install? > > Best regards.... > > Paul Hopewelli > <--- Mac Access At Mac Access Dot Net ---> > > To reply to this post, please address your message to > mac-access@mac-access.net > > You can find an archive of all messages posted to the Mac-Access forum at > either the list's own dedicated web archive: > <http://mail.tft-bbs.co.uk/pipermail/mac-access/index.html> > or at the public Mail Archive: > <http://www.mail-archive.com/mac-access@mac-access.net/>. > Subscribe to the list's RSS feed from: > <http://www.mail-archive.com/mac-access@mac-access.net/maillist.xml> > > As the Mac Access Dot Net administrators, we do our very best to ensure that > the Mac-Access E-Mal list remains malware, spyware, Trojan, virus and > worm-free. However, this should in no way replace your own security > strategy. We assume neither liability nor responsibility should something > unpredictable happen. > > Please remember to update your membership preferences periodically by > visiting the list website at: > <http://mail.tft-bbs.co.uk/mailman/listinfo/mac-access/options/> > <--- Mac Access At Mac Access Dot Net ---> To reply to this post, please address your message to mac-access@mac-access.net You can find an archive of all messages posted to the Mac-Access forum at either the list's own dedicated web archive: <http://mail.tft-bbs.co.uk/pipermail/mac-access/index.html> or at the public Mail Archive: <http://www.mail-archive.com/mac-access@mac-access.net/>. Subscribe to the list's RSS feed from: <http://www.mail-archive.com/mac-access@mac-access.net/maillist.xml> As the Mac Access Dot Net administrators, we do our very best to ensure that the Mac-Access E-Mal list remains malware, spyware, Trojan, virus and worm-free. However, this should in no way replace your own security strategy. We assume neither liability nor responsibility should something unpredictable happen. Please remember to update your membership preferences periodically by visiting the list website at: <http://mail.tft-bbs.co.uk/mailman/listinfo/mac-access/options/>
