Hi, Not sure if I understand what you're asking but I'll give it a try.
As long as the other HD is connected, then you should have access to both the Lion and Mountain Lion OS systems. They will both show up in your Startup Disks as options. The external HD must be plugged in at all times if you wish to have access to the MacOS Lion that is on that HD. HTH. Later... Tim Kilburn Fort McMurray, AB Canada On 2013-07-08, at 11:53 AM, Ramy Moustafa <moshtaqlealga...@gmail.com> wrote: > Hi: > If I forget to use my 2nd hard that contains my running system, what will > happen? > > From: macvisionaries@googlegroups.com > [mailto:macvisionaries@googlegroups.com] On Behalf Of Tim Kilburn > Sent: Monday, July 8, 2013 5:07 PM > To: macvisionaries@googlegroups.com > Subject: Re: unable to choose bitween lion and mountain lion. > > Hi, > > If both systems actually reside in different partitions within the same HD on > your Mini, then you should be able to do as Chris mentioned: > > 1. VO-m to go up to the Apple menu. > 2. Down arrow to System Preferences. > 3. Navigate to the Startup Disk item. > 4. Interact with the Scroll area of possible Startup Disks. VO should > announce both your Lion and Mountain Lion choices. > 5. Press VO-space on the Lion option. > 6. Stop Interacting with the Scroll area then navigate to the Restart button. > 7. You will be asked if you're sure you wish to do this. Press on the > Restart option and wait for it to restart. > > That should do it. > > Later... > > Tim Kilburn > Fort McMurray, AB Canada > > On 2013-07-07, at 12:50 PM, ramy moustafa <moshtaqlealga...@gmail.com> wrote: > > > Hi all: > am still unable to choose the system for booting, my default is ml but i need > to use the lion. > help please > thanks so much > > Ramy moustafa saber > licturer at: > faculty of musical education > music arranger and sound engineer > Sent from my iPhone > > -- > You received this message because you are subscribed to the Google Groups > "MacVisionaries" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to macvisionaries+unsubscr...@googlegroups.com. > To post to this group, send email to macvisionaries@googlegroups.com. > Visit this group at http://groups.google.com/group/macvisionaries. > For more options, visit https://groups.google.com/groups/opt_out. > > > > > -- > You received this message because you are subscribed to the Google Groups > "MacVisionaries" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to macvisionaries+unsubscr...@googlegroups.com. > To post to this group, send email to macvisionaries@googlegroups.com. > Visit this group at http://groups.google.com/group/macvisionaries. > For more options, visit https://groups.google.com/groups/opt_out. > > > > -- > You received this message because you are subscribed to the Google Groups > "MacVisionaries" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to macvisionaries+unsubscr...@googlegroups.com. > To post to this group, send email to macvisionaries@googlegroups.com. > Visit this group at http://groups.google.com/group/macvisionaries. > For more options, visit https://groups.google.com/groups/opt_out. > > -- You received this message because you are subscribed to the Google Groups "MacVisionaries" group. To unsubscribe from this group and stop receiving emails from it, send an email to macvisionaries+unsubscr...@googlegroups.com. To post to this group, send email to macvisionaries@googlegroups.com. Visit this group at http://groups.google.com/group/macvisionaries. For more options, visit https://groups.google.com/groups/opt_out.