Because certain repairs or verifications can't be done when you are actually within the start up disk. I don't understand the full programming details. On 12 Aug 2012, at 02:06, Christina C. wrote:
> Thanks for sharing this info. Why does it have to be done in the recovery > partition instead of through Lion in disk utilities? > > Thanks > Sent from Christina's iMac :) > > On Jul 29, 2012, at 10:23 PM, Andrew Lamanche wrote: > >> Dear Listers, >> >> Since the news of Mountain Lion - I still run Lion - I've been reading a lot >> about how to make sure I install it as well as possible. Jo Kissell in his >> "Take Control of upgrading to Mountain Lion" strongly recommends verifying >> one's disk for possible errors because if an error is present, this might >> cause problems during and after the installation. At first I was a bit >> reluctant to do this because my macbook air is relatively new (end of 2010), >> and has a solid drive, and I thought, oh no, it is surely fine. But today I >> actually did perform the verification, and an error was found on my drive >> and repaired. I therefore thought I'd share the steps I took to accomplish >> this in view of the fact that questions have been asked on the list with >> regard to the installation and people have been reporting weird behaviour of >> Mountain Lion. >> >> 1. Start your mac from the recovery partition of your Lion OS. This is >> accomplished by pressing and holding for a few seconds command+r key >> combination immediately after the startup chime is heard. It took a few >> minutes for my macbook air to boot up so do not worry. Remember, Voiceover >> will not start automatically when booting from recovery partition or any >> other media. >> >> 2. Start Voiceover with command+f5 (add fn key if the former doesn't work). >> Now this is a bit tricky because if you are on your own without any sight, >> you don't quite know when the booting process has finished. I kept trying to >> start Voiceover a few times unsuccessfully because the booting process was >> still going on. Actually, my macbook air while booting was quite hot so the >> fan was going, and when the booting was accomplished, the fan stopped too >> and I was able to activate Voiceover immediately. >> >> 3. You will now find yourself on a list applications which are arranged in a >> table. Interact with the table, and you will see 4 applications here (if I >> remember correctly). Restore from time machine, reinstall OS, erase or >> repair disk, and disk utility. Press the button which says disk utility. >> >> 4. The disk utility will look exactly like the disk utility application >> window you are familiar with. Arrow right past the toolbar and interact with >> the table of available disks. Place Voiceover on your mackintosh hd and >> stop interacting with the table. Move right to the list of available tabs. >> Choose "first aid' which is usually already highlighted. Move further to the >> right and choose repair disk permissions (which you might just as well do >> to start with to be sure). Permissions will be repaired (you can watch >> results in the table of results which Voiceover announces clearly as you >> move around the window. After permissions repair, choose "verify disk", and >> again you can see the results in the table. At the very bottom of the table >> once the process is complete, you will be told whether any problems have >> been found and if the repair was successful. >> >> 5. Quit disk utility and restart your computer as normal. >> >> Hope this will help. >> >> Andrew >> >> -- >> You received this message because you are subscribed to the Google Groups >> "MacVisionaries" group. >> To post to this group, send email to macvisionaries@googlegroups.com. >> To unsubscribe from this group, send email to >> macvisionaries+unsubscr...@googlegroups.com. >> For more options, visit this group at >> http://groups.google.com/group/macvisionaries?hl=en. >> > > > -- > You received this message because you are subscribed to the Google Groups > "MacVisionaries" group. > To post to this group, send email to macvisionaries@googlegroups.com. > To unsubscribe from this group, send email to > macvisionaries+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/macvisionaries?hl=en. -- You received this message because you are subscribed to the Google Groups "MacVisionaries" group. To post to this group, send email to macvisionaries@googlegroups.com. To unsubscribe from this group, send email to macvisionaries+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/macvisionaries?hl=en.
