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Old Jul 25, 2012, 09:16 AM   #51
Steve.P.JobsFan
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Originally Posted by ATC View Post
Hmm.. Still getting the same error.

I went and tried another method using the same flash drive (link in 1st post in this thread), which I think is the same thing it's just a script and it seems to work fine now. No idea what the problem was.
Let me do some digging.


UPDATE TO ALL GUIDE USERS: IF YOU ENCOUNTER THE SAME ISSUE AS ABOVE, PLEASE USE THIS ALTERNATE METHOD:

OS X Mountain Lion - Alternate Flashing Method
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Old Jul 25, 2012, 09:34 AM   #52
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I'm also getting a error at the very end. After the whole copy process.



I will try anyway, and see if it works Using the 1.st method.

Edit: the installer seems to be working fine with 4 min to go. No bad arguments here!
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Last edited by PaulKemp; Jul 25, 2012 at 09:43 AM.
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Old Jul 25, 2012, 09:42 AM   #53
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Originally Posted by PaulKemp View Post
I'm also getting a error at the very end. After the whole copy process.

Image

I will try anyway, and see if it works Using the 1.st method.
The source should be the mount point of the DMG, not the DMG itself.
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Old Jul 25, 2012, 09:45 AM   #54
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Originally Posted by Steve.P.JobsFan View Post
It's safer to get an 8GB USB flash drive. That reminds me, I need another flash drive. I used my 8GB one for OS X Lion. Thanks for the unintended reminder!
Is there any way to reformat the flash drive I use for Lion or ML? because I will need it for other things in the future. I just don't want to have to download ML 4 times on 4 different macs....

EDIT: one more question

I have a bootcamp partition. Is it okay to just erase my Mac OS X partition, and then proceed with an install?
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Old Jul 25, 2012, 09:59 AM   #55
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Quote:
Originally Posted by Winter Charm View Post
Is there any way to reformat the flash drive I use for Lion or ML? because I will need it for other things in the future. I just don't want to have to download ML 4 times on 4 different macs....

EDIT: one more question

I have a bootcamp partition. Is it okay to just erase my Mac OS X partition, and then proceed with an install?
Yes. Use Disk Utility, select the flash drive on the left panel and click the erase tab on the right panel. I assume you can do the rest.

And yes, it is ok to just erase the Mac partition and leave the Windows partition alone.

Note to OP: I noticed that your guide says a flash drive with 4GB of free space is required (ML clean install step 6). That is incorrect. The ML dmg is 4.35GB. A 8GB flash drive (I don't think 6GB exists?) is required. This makes a big difference.
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Old Jul 25, 2012, 10:06 AM   #56
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Originally Posted by SnowLeopard2008 View Post
Yes. Use Disk Utility, select the flash drive on the left panel and click the erase tab on the right panel. I assume you can do the rest.

And yes, it is ok to just erase the Mac partition and leave the Windows partition alone.

Note to OP: I noticed that your guide says a flash drive with 4GB of free space is required (ML clean install step 6). That is incorrect. The ML dmg is 4.35GB. A 8GB flash drive (I don't think 6GB exists?) is required. This makes a big difference.
Thank you. Hopefully, bootcamp works as-is. I will be sorely disappointed if it doesn't :P
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Old Jul 25, 2012, 10:11 AM   #57
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Thanks so much. This thread NEEDS to be sticky'd, so much saved time for so many people if it will be sticky'd.
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Old Jul 25, 2012, 10:13 AM   #58
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Quote:
Originally Posted by Winter Charm View Post
Thank you. Hopefully, bootcamp works as-is. I will be sorely disappointed if it doesn't :P
BootCamp will work since what it really boils down to is partitioning the hard drive, supplying drivers for hardware and emulate the BIOS. The third part is done by the EFI firmware on a Mac which is separate from the OS. And the first two are generic things that isn't special or unique to the OS.

The only thing that changes with ML is newer/better hardware drivers and you can just boot into the Windows partition and update the drivers through the BootCamp program.
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Old Jul 25, 2012, 10:29 AM   #59
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this is my first clean install, so can you select the apps and data you want to transfer from your time machine backup? say i want iworks [i got this during SL], iLife (again before MAS), and google chrome (per se), can i select these and all my document files and have only these specifics restored??

nooby question, so i apologize
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Old Jul 25, 2012, 10:41 AM   #60
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Originally Posted by calderone View Post
The source should be the mount point of the DMG, not the DMG itself.
Worked fine even with the wrong source. Thanks! *writtenformML*
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Old Jul 25, 2012, 11:27 AM   #61
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Originally Posted by calderone View Post
The source should be the mount point of the DMG, not the DMG itself.
Sorry, but you're wrong. If you restore the 'Install OS X Mountain Lion' app to your media, it doesn't boot. If you restore the InstallESD.dmg, it works perfectly fine, and boots.

----------

Quote:
Originally Posted by shyam09 View Post
this is my first clean install, so can you select the apps and data you want to transfer from your time machine backup? say i want iworks [i got this during SL], iLife (again before MAS), and google chrome (per se), can i select these and all my document files and have only these specifics restored??

nooby question, so i apologize
Sorry, but you cannot transfer individual files.

I should mention that if you clean install ML, and transfer your data, it's still a clean install.

HOWEVER, BE SURE TO UNCHECK SYSTEM SETTINGS IN THE MIGRATION ASSISTANT WINDOW. Then it would be a 'clean' install because system values would be at default.
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Old Jul 25, 2012, 11:35 AM   #62
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Originally Posted by Steve.P.JobsFan View Post
Sorry, but you're wrong. If you restore the 'Install OS X Mountain Lion' app to your media, it doesn't boot. If you restore the InstallESD.dmg, it works perfectly fine, and boots.[COLOR="#808080"]
Depends on how you do it. The folks getting the errors are doing it incorrectly, which is why my comment was specifically on the problem NOT the guide itself.

The valid ways:

1. Source: DMG, Destination: Flash Drive (The brand name and capacity)
2. Source: Mounted DMG "Mac OS X Install ESD" Volume, Destination: Volume on the Flash drive.
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Old Jul 25, 2012, 11:36 AM   #63
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Why would someone want to migrate from ML GM to ML (GM) ? They're both the same build.
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Old Jul 25, 2012, 11:47 AM   #64
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Originally Posted by calderone View Post
Depends on how you do it. The folks getting the errors are doing it incorrectly, which is why my comment was specifically on the problem NOT the guide itself.

The valid ways:

1. Source: DMG, Destination: Flash Drive (The brand name and capacity)
2. Source: Mounted DMG "Mac OS X Install ESD" Volume, Destination: Volume on the Flash drive.

Oh, okay. I was confused. Those are the correct ways, and the way I list in my guide.

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Quote:
Originally Posted by ct2k7 View Post
Why would someone want to migrate from ML GM to ML (GM) ? They're both the same build.
I didn't know that until yesterday.
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Old Jul 25, 2012, 11:49 AM   #65
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Originally Posted by Steve.P.JobsFan View Post
Oh, okay. I was confused. Those are the correct ways, and the way I list in my guide.

----------



I didn't know that until yesterday.
Number 1 is the way you list in your guide.

Number 2 is the other valid way, which you told me was wrong.
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Old Jul 25, 2012, 11:51 AM   #66
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Number 1 is the way you list in your guide.

Number 2 is the other valid way, which you told me was wrong.
But I just said that you were right, and I was confused for a moment.
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Old Jul 25, 2012, 11:51 AM   #67
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I didn't know that until yesterday.
ok
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Old Jul 25, 2012, 11:54 AM   #68
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Originally Posted by Steve.P.JobsFan View Post
But I just said that you were right, and I was confused for a moment.
I am just clarifying that the method you use was contained within my list and was not yet another option as you stated.
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Old Jul 25, 2012, 11:55 AM   #69
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ok
Here's a PSA to everyone on MR.

If I say something that makes no sense or is stupid, excuse me. I haven't had a proper sleep in 6 days. I've had severe mental fatigue since June. My brain is basically a bowl of Jell-O. I keep forgetting things. So, if I say something idiotic, excuse me. :/
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Old Jul 25, 2012, 12:48 PM   #70
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Okay, so I managed to screw up the install on my Mac mini....

For some reason, the windows XP bootcamp partition I had carried over since snow leopard caused some sort of error.

Now, Mountain Lion won't install from the USB drive. For some reason it seems to be stuck. Every time I boot from my USB disk... I get an error

Mountain Lion could not be installed...

*sigh* time to resort to a DVD
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Old Jul 25, 2012, 01:38 PM   #71
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So I've tried this tutorial a few times and I get an error message at the end of making the USB drive and when I boot to it, it isn't there.

I've tried the supposedly user-friendly Discmaker app and that isn't working either.

What am I doing wrong? I have a 2009 macbook 6,1 - any help is greatly welcomed??

edit - so it looks like all the files made it to the USB, but when I boot to it I don't have that as an option?

Last edited by slynger; Jul 25, 2012 at 01:45 PM. Reason: update
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Old Jul 25, 2012, 10:57 PM   #72
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So I've tried this tutorial a few times and I get an error message at the end of making the USB drive and when I boot to it, it isn't there.

I've tried the supposedly user-friendly Discmaker app and that isn't working either.

What am I doing wrong? I have a 2009 macbook 6,1 - any help is greatly welcomed??

edit - so it looks like all the files made it to the USB, but when I boot to it I don't have that as an option?
I'm in my Mom's Jeep speeding down the Ohio Turnpike (I'm not driving) right now, so I can't do a lot of research. Let me see if that revision of MBP can boot from USB. It should be able to because my '07 iMac did. Give me a few minutes, and I'll get back to you.

----------

Quote:
Originally Posted by Winter Charm View Post
Okay, so I managed to screw up the install on my Mac mini....

For some reason, the windows XP bootcamp partition I had carried over since snow leopard caused some sort of error.

Now, Mountain Lion won't install from the USB drive. For some reason it seems to be stuck. Every time I boot from my USB disk... I get an error

Mountain Lion could not be installed...

*sigh* time to resort to a DVD
This is weird. Apple had to've change something. These are the exact steps you do for OS X Lion. As I just said, I'm on the expressway, and can't do massive research. Give me a little bit to get back to you. In the mean time, did your DVD work?
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Old Jul 25, 2012, 10:58 PM   #73
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Hi...I see this is for a clean install....but my iMac is only three months old, so should I just do an upgrade?
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Old Jul 25, 2012, 11:05 PM   #74
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Hi...I see this is for a clean install....but my iMac is only three months old, so should I just do an upgrade?
Congratulations on the new iMac! Anyways, I personally always do a clean install. The purpose of a clean install is to remove all traces of OS X Lion. Your iMac should be fine if you don't do a clean install. Just download it, and run the app. However, copy the app to a hard drive, or somewhere else for backup. After install, the install app will self-delete.
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Old Jul 26, 2012, 06:39 AM   #75
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Let me do some digging.


UPDATE TO ALL GUIDE USERS: IF YOU ENCOUNTER THE SAME ISSUE AS ABOVE, PLEASE USE THIS ALTERNATE METHOD:

OS X Mountain Lion - Alternate Flashing Method
This worked for me! Thank you for your work on the PDF, though.
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