Hi Janis,

Disk Utility will do the repair itself - it's just that it can't do it on
the start-up volume (a bit like sawing through the branch you're sitting
on).

So, what you need to do is boot up the macbook from the original DVD disk
that came with your computer - when the macbook is running from this disk
you will be able to use disk utility to repair the disk - asssuming, that
is, that the disk IS repairable.

If you find the above confusing, Ronni has covered all this in much more
detail in previous posts.


Cheers



Neil
-- 
Neil R. Houghton
Albany, Western Australia
Tel: +61 8 9841 6063
Email: [email protected]



on 28/9/10 6:31 AM, Janis Lynn at [email protected] wrote:

> 
> Hi All
> 
> Since upgrading to Snow Leopard my macbook has trouble on start up.  I lose my
> desk top and only screen saver appears.  After several restarts it comes back.
> I used disk utility and it said I need to do a disk repair.  Can anyone
> recommend a free 3rd party disk repair app?  I downloaded applejack?  Thanks.
> Janis
> 
> 
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