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10.7: How to get a full Lion install disc for a new MacBook Air or Pro
Authored by: Love2CurlDids on Jan 11, '12 12:41:53PM

I'm relatively new to Mac period. However, as the owner of a new 'medialess/internet only' MBA 13" I was so unhappy that I've followed the instructions here to get this on a 32G USB Flash Drive. Right now I have InstallESD.dmg along with InstallESD.dmg.partialState, MacOS_10_7_IncompatibleAppList.pkg,index.sproduct, InstallESD.chunklist.partial on the USB Drive.

So I appear to have the InstallESD.dmg. What I don't understand is how to use this now if my MBA crashes? How would I use this as a boot disk? Can someone enlighten me please?

For anyone else wanting to do this - If you have Office for Mac and open Word, a file, and do File Save As, it prevents your computer from restarting - although I was fairly quick with the Force Quit once all activity had stopped and it wanted to install.

Meanwhile - any advice on how to *use* this USB drive would be appreciated. Actually it is only showing 3.90 G use (4G) now on it so maybe I could transfer it to another USB - but then again I'm not sure if it needs a lot of free space when it does 'boot' or install? I have only one 'mission' critical MBA so I can't experiment for myself.

As you can see - there's a lot I don't know re Mac/Apple but I'm an old DOS (1.1) PC user since the 80s - I'm just on a long learning curve here. All help very much appreciated.



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10.7: How to get a full Lion install disc for a new MacBook Air or Pro
Authored by: mrfunke on Jan 12, '12 11:26:43AM

Open disk utility, right click on InstallESD.dmg and choose "restore". Restore it to a DVD, flash dive, etc and you should be able to boot from it in case your harddrive crashes (by holding down the option key at startup)



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10.7: How to get a full Lion install disc for a new MacBook Air or Pro
Authored by: Love2CurlDids on Jan 13, '12 11:45:24AM

Thanks very much. Is 'restore' different than having the InstallESD.dmg on the 32G USK key with those extra files - all straight from the download? I'm asking because the free space on the 32G is quite large and I could find better uses for it - or would it matter if I have extra files on it besides the InstallESD.dmg file? In other words is there something about the procedure 'Restore' to an external USB which makes it into a boot disk vs just having the InstallESD.dmg from the original Lion 'capture'?

L2C



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10.7: How to get a full Lion install disc for a new MacBook Air or Pro
Authored by: mrfunke on Jan 13, '12 12:52:57PM

The other files you have on the usb drive aren't necessary. You have the OS X Lion disk image (InstallESD.dmg) which you need to "extract" to a disk (via the restore option, don't just open it and copy over files)

You could partition your thumb drive into separate partitions, one to restore the install image to and another for storing files. I suppose you could restore the disk image to the whole thing and copy files directly to it (although it would be quite cluttered, it shouldn't affect the install)

I would just use a regular DVD or smaller thumbdrive personally :P

Hope that helps.



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10.7: How to get a full Lion install disc for a new MacBook Air or Pro
Authored by: Love2CurlDids on Jan 13, '12 06:04:12PM

Indeed it helps immensely. I now have a sense of what to do!

I really appreciate the time you've taken - good netizenship is so great.

All the Best

L2C



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