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OS X - Operating System General OS operation information and support

Problems Installing OS X Lion


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Farmer Pug

 
Member Since: Oct 06, 2010
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I recently purchased and downloaded OS X Lion, but i am having trouble getting it to work. It says 'this disk cannot be used to start up your computer':

Why would it be doing this
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RavingMac

 
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Very strange. Your 2010 MBP is well able to run Lion and you have way more than enough disk free space.

Just a stab in the dark, but if you have Onyx may want to have it check your HD for problems, and/or use Disk Utility to repair permissions.

I've always wanted to be smart, handsome and modest. But, I guess I'll have to be satisfied with two out of three . . .
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Farmer Pug

 
Member Since: Oct 06, 2010
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I have onyx but never used it before, but it didnt seem to bring up any problems:

as for the disk utility shows up this:




I also should say i had bootcamp for a while but removed that in disk utility as i never used windows enough.
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Something is odd. From pic one it would appear there is another partition with 75GB odd in use, however that does not appear in Disk Utility. If there is nothing else on the disk, when in Partition select one partition.

To remove a Bootcamp partition, you do need to use the Bootcamp Assistant and NOT Disk utility. Reformat and select the one partition structure and see how you go.

Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!
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I was going to ask based on that if you had run boot camp. If I had to guess, I would say that may be at least part of the problem.

Do you have a good backup to restore from? If so, may be worth creating a USB Lion Boot Drive and installing from that, doing a clean install by reformatting the HD.

EDIT: I see that Harry has joined the conversation. Excellent, he knows this stuff far better than me.

I've always wanted to be smart, handsome and modest. But, I guess I'll have to be satisfied with two out of three . . .
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Farmer Pug

 
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Quote:
Originally Posted by harryb2448 View Post
Something is odd. From pic one it would appear there is another partition with 75GB odd in use, however that does not appear in Disk Utility. If there is nothing else on the disk, when in Partition select one partition.

To remove a Bootcamp partition, you do need to use the Bootcamp Assistant and NOT Disk utility. Reformat and select the one partition structure and see how you go.

i should have used bootcamp assistant, but it cant help now that bootcamp has been removed?
Reformat, does that mean wipe all my data. I dont recall using the backup option except for putting my photos onto a disk.
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Farmer Pug

 
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if i plan to put on lion will it wipe all my stuff, and programs on already
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harryb2448

 
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Yes a format will wipe the drive clean alas.

Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!
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RavingMac

 
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If you have an external drive available, use Time Machine to backup to it and you can restore from it after you have installed Lion.
Your other choice appears to be to stick with Snow Leopard.

I've always wanted to be smart, handsome and modest. But, I guess I'll have to be satisfied with two out of three . . .
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