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Helpful answers
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Aug 30, 2015 5:29 AM in response to jessdancerby Loner T,For partitioning to work properly, the disk should have minimal fragmentation. Large deletions (like your Movies) can cause problems and fragment disk space. You have several options. The following is the simplest.
1. Back up OSX using Time Machine - Mac Basics: Time Machine backs up your Mac - Apple Support.
2. Boot into Internet Recovery - OS X: About OS X Recovery - Apple Support.
3. Erase your internal drive and restore from the TM backup in Step 1 - OS X Yosemite: Recover your entire system.
Please be aware that TM does not backup Bootcamp partitions.
Create two separate backups, if you have two separate disks available and handy.
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Aug 31, 2015 10:01 AM in response to Loner Tby jessdancer,Ok, I've backed up my computer using Time Machine. Here are my next questions...
1. As far as the next step, "OS X Recovery", I did that a couple days ago when my Boot Camp Assistant originally failed. Should I do that again? The entire OS X Recovery? Or will that cause more problems...?
2. And as far as erasing my internal drive...you mean copying all files from Macintosh HD to an external drive and then erasing everything from the Mac HD??
3. Why do you say create 2 separate backups? That's going to take a ton of space on my external HD's... I'm not sure I have 2 external HD's with that much space...?
Look forward to hearing back!!
Jess
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Aug 31, 2015 10:14 AM in response to jessdancerby Loner T,The issue you had with unable to partition requires Item #1. This will result in a contiguous disk space which will facilitate partitioning. The previous backup did not create a contiguous disk because Movies was still there. Boot in Internet Recovery (you will boot from Apple servers). If you erase the internal drive and restore, the restore will use contiguous disk space. The two backups are for safety. One is necessary, two is extra safety. Create at least one backup.
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Aug 31, 2015 10:23 AM in response to Loner Tby jessdancer,Ok, so since I've backed up in TM I should now:
1. Boot in to Internet Recovery using OS X Recovery,
and THEN
2. Copy all files from my Mac HD to an external HD (or preferably 2 external HD's), and then erase my entire internal HD and restore from the TM backup using "OS X Yosemite: Recover your entire system"
In that order...??
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Aug 31, 2015 10:43 AM in response to jessdancerby Loner T,If your TM backup was done just now, the copy in 2 is optional, but recommended. You do not need to copy any OS files, just copy your personal files for safety.
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Aug 31, 2015 10:45 AM in response to Loner Tby jessdancer,Ok, I'm going to do the OS X Recovery now. Then I'll be back!
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Aug 31, 2015 10:47 AM in response to Loner Tby jessdancer,Ok, so this is going to be a dumb question...(like I haven't asked a million dumb questions so far, haha)... How do I know if the files are OS or personal?
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Aug 31, 2015 11:02 AM in response to jessdancerby Loner T,Any files under Macintosh HD -> Users -> Your Name is personal data.
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Aug 31, 2015 11:08 AM in response to Loner Tby jessdancer,Ohhhh, that makes sense. Ok, I'll save all of those and leave the rest alone. Ok, about to do the OS X Recovery for real...then I'll be back!
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Aug 31, 2015 11:19 AM in response to Loner Tby jessdancer,OK I'm at the OS X Utilities menu. Should I:
- Restore from Time Machine Backup
- Reinstall OS X
- Get help online
- Disk Utility
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Aug 31, 2015 11:32 AM in response to jessdancerby Loner T,1. Disk Utility -> Erase the full disk.
2. Quit DU.
3. Restore from Time Machine Backup.
4. Boot into OSX after restore, and run BCA.
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Aug 31, 2015 11:36 AM in response to Loner Tby jessdancer,Well crap, I didn't back up my personal files to an external HD yet. I guess I need to do that first, THEN restart my computer again & follow these steps...
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Aug 31, 2015 12:42 PM in response to Loner Tby jessdancer,Ok, so I restarted my computer so I could copy all of my "user" files to an external HD. They are currently copying (assuming my external HD has enough room). But the status bar is saying "about a day" (to take it to copy them all), and counting... Can I do anything while these files are all copying?? That's 24 hours! Or do I need to wait the entire 24+ hours to proceed...???
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Aug 31, 2015 1:31 PM in response to jessdancerby Loner T,What does the estimated time for copying show - 24 hours makes no sense? Are all your Movies included? What is the total size in GB that it is showing to be copied?