Can't format former Boot Camp partition [Thread II]
Erased my partition and now Im left with 370Gb of Macintosh HD and 130 of free space, I want to go back to my 500Gb, please help me Loner T
MacBook Pro, OS X Yosemite (10.10)
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I'm all backed up so I don't care if I have to erase everything on my computer
Can you post the output of diskutil list? What is the version of OS X installed? Is this Internet Recovery or Local Recovery? You also have FileVault2, which should be turned off. Do you have Bootcamp/Windows on the Mac?
Yesterday I tried to install Windows 8.1 via Bootcamp but at moment of the setup it sent an error of something about GPT and MBR, I didn't know what to do so I erased the partition
Also... I don't know what is FileVault2
Usually, BCA is used to delete Bootcamp partitions, not Disk Utility. BCA will do it correctly and put disk space back. Your encryption status of locked indicates FV2.
You can decrypt it using
diskutil cs decryptVolume
Usage: diskutil coreStorage decryptVolume
lvUUID|MountPoint|DiskIdentifier|DeviceNode
[-stdinpassphrase | -passphrase passphrase]
Start a background decryption process that will convert the on-disk bytes which
back the given logical volume from encrypted back to plaintext. You must supply
a passphrase interactively or with one of the above parameters. After this
command completes, the conversion process will be ongoing; you can check
progress with `diskutil coreStorage list`. The volume must be unlocked.
Example: diskutil coreStorage decryptVolume
11111111-2222-3333-4444-555555555555
If you are booted in Recovery console, some CS verbs may not be available.
$ diskutil cs
Usage: diskutil [quiet] coreStorage|CS <verb> <options>,
where <verb> is as follows:
list (Show status of CoreStorage volumes)
info[rmation] (Get CoreStorage information by UUID or disk)
convert (Convert a volume into a CoreStorage volume)
revert (Revert a CoreStorage volume to its native type)
create (Create a new CoreStorage logical volume group)
delete (Delete a CoreStorage logical volume group)
createVolume (Create a new CoreStorage logical volume)
deleteVolume (Delete a volume from a logical volume group)
encryptVolume (Encrypt a CoreStorage logical volume)
decryptVolume (Decrypt a CoreStorage logical volume)
unlockVolume (Attach/mount a locked CoreStorage logical volume)
changeVolumePassphrase (Change a CoreStorage logical volume's passphrase)
diskutil coreStorage <verb> with no options will provide help on that verb
$ diskutil cs decryptVolume
Usage: diskutil coreStorage decryptVolume
lvUUID|MountPoint|DiskIdentifier|DeviceNode
[-stdinpassphrase | -passphrase passphrase]
Start a background decryption process that will convert the on-disk bytes which
back the given logical volume from encrypted back to plaintext. You must supply
a passphrase interactively or with one of the above parameters. After this
command completes, the conversion process will be ongoing; you can check
progress with `diskutil coreStorage list`. The volume must be unlocked.
Example: diskutil coreStorage decryptVolume
11111111-2222-3333-4444-555555555555
One option is to install OSX on an external volume - OS X: Installing OS X on an external volume - Apple Support and booting from it to erase the internal disk without using the Recovery Console.
Ok, right now Im installing OS X on an external volume, after doing that, what should I do next and how?
Once you boot, the LV needs to be decrypted and then extended to cover the entire disk, and then BCA can be re-run to partition and install Windows.
Ok, sorry if Im a little bit lost but this is what Im understanding, correct me if Im wrong:
(English is not my native language so I'll be thankful if you give me a step by step guide)
Install OS X on an external volume (Already doing it)
(Here is where Im getting kinda lost)
But... when do I get to decrypt the disk?
After step 3, you should have a 'full' OS X installation running from the external disk, not an OS X Installer or Recovery Console. This 'full' OS X installation will give you access to additional CoreStorage functions.
Can't format former Boot Camp partition [Thread II]