Creating a new disk formatting scheme or altering an existing scheme

learn more… | top users | synonyms

0
votes
0answers
1k views

How to recover fully formatted EFI partition?

I have macbook 4,1. I tried to install on it ubuntu and fully formatted hard drive. So, there are any way to restore efi partition? (now all apple bootable cd display stop sign and do not work) I ...
7
votes
1answer
38k views

I deleted my Bootcamp partition but can't resize my OS X partition

I didn't realize this would cause issues, but I used Disk Utility to delete my Bootcamp partition and then tried to resize my main partition to fill the disk. This causes an error and I searched for ...
0
votes
0answers
268 views

Suddenly SSD become unreadable, need to initialise it

I use my SSD with Mac OS on it on several mac (mine is with apple right now). It works well with one mac mini but fails with the macbook air, is shows the following message : (sorry for french...) ...
10
votes
3answers
48k views

Can't create partition on free space with Disk Utility [duplicate]

I have created new partition by selecting free space option and now I can't merge it or recreate it. I have tried to use iPartition to create a new partition on free space but it said I have no ...
2
votes
1answer
710 views

OS X Mavericks system restore from external drive using Time Machine

I have a 3TB Seagate USB external drive (MBR scheme), divided in 2 primary partitions: one of ~500 GB has been created and formatted on Windows using Paragon Partition Manager with HSF+. I did a ...
-1
votes
1answer
426 views

How can i recreate my Partition Table

What happened: While i was tinkering around with my bootcamp partition something went terribly wrong. end of story is, i have no partitions left in my partition table The current situation: i can ...
1
vote
1answer
207 views

Trouble with my partitions

I have some trouble with my partitions on my Macbook Pro. I created 2 partitions. One named "Yo" where I have installed Yosemite release. Another one named "Save" where I put all the stuffs I need to ...
0
votes
1answer
55 views

Get rid of lingering partition

Not sure what happened, but when I was setting up my new Mac, something wonky happened w/ the second partition. I ended up deleting it and naming the second partition on my laptop Machintosh HD 3. ...
1
vote
1answer
106 views

How To Change the name of different install partitions on USB drive

I seached the whole stack exchange & the inter webs about how to change the names of this install partitions of my USB harddrives. I want them called i10.5 i10.6 i10.7 i10.8 i10.9 Anyone the ...
0
votes
1answer
430 views

Transfer Bootcamp over from a separate hard drive to a partition of a hard drive

I have a Macbook Pro with dual hard drives (1tb HD, and a 250gb SSD that I replaced the disk drive with). I have been using the regular HD for my mac and the SSD for my bootcamp. Recently, I found ...
3
votes
1answer
5k views

Bootcamp stuck in Windows

I have a Bootcamp partition with Windows 8.1 that I rarely use. Last night I was in OSX, closed the lid, and when I opened it this morning it was in Windows and I cannot get out. Booting with the ...
1
vote
1answer
927 views

Can I remove one partition on an external drive, while keeping the other intact?

I have an external USB drive, which I've partitioned into separate FAT32 ("MOVIES") and OSX ("TIME_MACHINE") partitions: I now wish to remove the FAT32 partition and just use the OSX partition. ...
4
votes
2answers
543 views

Move some free space to Macintosh HD (Startup Disk)

On my mac hard disk, Macintosh HD (Startup Disk) is almost full, I need to increase the size of Macintosh merging some free space from my another partition. But I tried all possible ways, free space ...
1
vote
1answer
509 views

unallocated space on disk0 under Mavericks

I have the same kind of issue than here : Create new partition in unallocated space with diskutil but on disk0 ! I don't know what to do anymore :( So i can't modify anything with gpt. I had Ubuntu ...
1
vote
0answers
329 views

How to fix a Windows partition after removing Bootcamp?

I have a 2009 MBP. For a long time I've had a Bootcamp partition on the hard drive, recently I bought a second SSD and installed it in the Optibay and installed Windows on it. As it was going well I ...
4
votes
5answers
17k views

Disk Utility hangs prior to resizing partition

When trying to shrink the size of a partition, the period before the actual resizing happens (where Disk Utility says "Preparing to partition disk") hangs forever. I dug into Console to see what was ...
0
votes
1answer
2k views

Is deleting the yosemite install partition safe? [duplicate]

I got Yosemite via the Apple Beta Program. I installed Yosemite on a separate partition which I had created for the purpose specifically. Now I want to reclaim my 50 GB by deleting the partition. I ...
0
votes
1answer
478 views

Bootcamp “No Bootable device” but windows already installed

I had an issue in OSX which meant that I had to erase the OSX partition, and after reinstalling OSX, my bootcamp partition won't load. It's not in the option menu on start up, but is still recognised ...
1
vote
0answers
84 views

Macintosh HD no longer shown in ⌥-boot menu after creating partition in Boot Camp

Today I was in Boot Camp Windows 7 creating a partition from some free space for Time Machine backups (I know this isn't the best way to store backups, but that's not the problem). I clicked to create ...
3
votes
2answers
14k views

How to create a second partition on an external disk and is it safe?

I want to create a second a partition in my hard disk where one (about 900 GB) is used for Time Machine and another (100 GB) is used to store info like a thumb drive. I don't want any existing data ...
2
votes
2answers
44 views

Partition for iTunes

I have a Mac with bootcamp and unfortunately i see myself using bootcamp far too often because I'm a developer and VS2013+SqlServer is way too demanding for my 8gb ram... but i use iTunes a lot... so ...
3
votes
4answers
56k views

Restore Macintosh HD to its original partition configuration

I seem to have badly botched a Boot Camp installation of Windows 8.1. I used Boot Camp Assistant to create a 200 GB BOOTCAMP partition on my 1 TB Fusion Drive. I then rebooted and failed to install ...
0
votes
1answer
37 views

Does any data go into SSD from bootable OS USB (besides OS itself)?

I made a bootable OS 10.6 in my external HD with Disc Utility's partition & restore functions (with the "source" (as OS disc) and "destination" method...) And I used that to do a clean OS install ...
0
votes
2answers
12k views

How to merge two Mac partitions?

Recently I ran Boot Camp Assistant to install a copy of Windows 7. The "Partitioning Disk" process froze and I force quit it - I know, bad idea - and although I was left with a functioning Mac, I ...
2
votes
3answers
5k views

Restore Recovery HD partition from Yosemite downgrade

I recently got back to Mavericks from Yosemite, everything went fine. As I normally do, I checked my HDD with the Disk Utility and found some trouble, then I boot on recovery mode to fix my HDD. I ...
0
votes
0answers
62 views

Clone whole partitioning scheme to smaller disk

I have the following on my secondary disk. As I am not satisfied with it I would like to clone everything to the other one which is smaller unfortunately. /dev/disk2 #: TYPE ...
0
votes
1answer
57 views

Move data from 1 hard drive to the other

I have a bootable partition on an external drive with some old data that I want to move to a new external hard drive. The partition on the old drive is 500GB however theres only 320GB of data. So i ...
2
votes
1answer
1k views

Is it possible to install Windows Vista 64-bit on mid 2010 27" iMac w/ Mavericks?

I have a legal copy of Vista which I used to use before I had a drive failure on my mid 2010 27" iMac. Since then I've installed OSX Mavericks, and now it's telling me that only Windows 7 and 8 are ...
12
votes
3answers
56k views

How can I delete a partition (coreStorage logical volume?) from the Terminal?

I finally understood why Disk Utility will not change the partitions on my HDD, even though I added the most recent one myself (maybe significant: to test Yosemite DP) with it. Now I see it says it ...
1
vote
3answers
8k views

How to repair Mac partitions without Internet Recovery and Rescue USB?

Resizing the C:\ drive under Windows(bootcamp) corrupted mac partitions. Neither Mac OS X nor Windows are able to boot. Holding the Option(ALT) key shows only Windows, which can't boot. Internet ...
0
votes
2answers
534 views

SSD Partition Corrupted

I recently installed a dual-drive setup where I have an SSD and an HDD. I had installed the OS and Apps on the SSD, and other stuff stayed on HDD. Recently my battery died, and I have been using the ...
2
votes
1answer
1k views

MacOS Extended (Journaled, Encrypted) uses h/w encryption?

I have a LaCie 2big, connected via Thunderbolt 2. When I select as a disk-partition MacOS Extended (Journaled, Encrypted), does that uses some type of hardware encryption or is it all software?
0
votes
1answer
320 views

If I mess up the EFI System Partition, will Mac OS X be unbootable?

I forgot to make a backup of my EFI System Partition (ESP) and have installed grub onto it. If I happen to accidentally mess up the partition, will OS X be bootable? If not, how would I restore the ...
1
vote
1answer
156 views

Partition Format on Mac

Mac newbie here. I need to have a case sensitive file system. I am planning to create a separate data partition for that. 100GB (Mac/home directory) + 151GB (data partition). I have a habit of making ...
2
votes
2answers
268 views

Can I install OS X onto a separate external drive partition?

There are plenty of articles explaining how to install OS X on a separate partition of your Mac’s internal drive and how to install it onto an external drive using a single partition. However, it’s ...
0
votes
1answer
845 views

Can't install Mountain Lion on a machine that has Mavericks installed, even on a separate disk/partition

I have upgraded my Mac mini 2012 to Mavericks, and everything is running quite well. However, it turns out that I need to also run Mountain Lion sometimes (a piece of hardware I need to use is not ...
27
votes
8answers
114k views

Unable to Resize Partitions

I have recently created a partition on my macbook air running OS X 10.9, and this was to run install another OS instance (Yes, OS X 10.10 Yosemite, but that is an aside to the query I have) on it. I ...
1
vote
1answer
758 views

Creating a EFI partition

I have been having trouble installing OS X Mavericks and I think I found the problem. It told me I couldn't boot up with Macintosh HD, so I verified my disk and I got this error: This disk doesn't ...
0
votes
0answers
450 views

After upgrade Lion to Mavericks, can't run Windows 7 on boot camp because is hidden/disabled

The question is about iMac (21.5-inch, Mid 2011) It was with Lion, there was a Windows 7 (32bit) partition created by Boot Camp v4. So, I made the upgrade to Mavericks (no clean install), after this ...
2
votes
2answers
493 views

Will OS upgrade from Snow Leopard to Mavericks erase other partitions?

I have Macbook6,1 Late 2009 Unibody white Snow Leopard with dual boot Debian Wheezy installed on the other partition. I use EFI to show boot options at startup. Will upgrading to Mavericks ...
2
votes
0answers
54 views

How to use Time Machine to back up a partitioned drive?

My MBP was originally a single SSD partition, which I backed up with Time Machine to an external USB HD. I created a new partition on the SSD for Yosemite, and am running the MBP on 10.10, although ...
1
vote
2answers
925 views

Fix “Permission Denied” when copying files

Whenever I try to copy all the content of a usb to my Mac partition it says Permission Denied The command I am using is cp -R /dev/disk1 /dev/disk0s3 My error message is: /dev/disk0s3: permission ...
0
votes
2answers
5k views

Repartition hard drive with bootcamp on it

I currently have this setup on my Mac- OS X Mavericks 10.9.3, Windows (bootcamp) and a Recovery HD. My question is can I repartition my hard drive to have another partition, using disk utility (resize ...
2
votes
1answer
5k views

Dual boot Ubuntu 14.04 on a MacBook Pro

so after a few hours of Google searching and too many headaches with a broken GPT, I've turned here. I have a 2012 MacBook Pro (9,2) that I want to dualboot OS X 10.9 and Ubuntu 14.04 on. I've read ...
1
vote
2answers
9k views

Dual booting Yosemite/Mavericks: Stuck in Yosemite with an 'Install OS X' volume instead [closed]

I've made a partition on my hard drive, so I currently have Macintosh HD (call it 1) and Macintosh HD 2 (call it 2). I downloaded the Yosemite installer with my Mavericks install on 1, then ran it ...
0
votes
1answer
125 views

Can I clean install Mavericks preserving other bootable partitions (Ubuntu on ext4)?

I have checked Will my other partitions be wiped when doing a clean install of Mavericks? but I'd like to make sure whether a clean install of Mavericks to my specific OS X partition won't mess up ...
2
votes
0answers
115 views

Is it possible to rename a logical volume group that's currently in use with bootable partitions that contain data?

I need to know if it's possible to accomplish this: http://apple.stackexchange.com/a/90821 but without having to wipe the drive. I added a new partition and installed another instance of OS X but ...
0
votes
0answers
91 views

My iMac Isn't Seeing a Place to Re-install Mac OS X in Recovery Mode?

I recently failed to install Ubuntu on my iMac (Linux 14.04 / most recent iMac). It all appeared well until I rebooted, but now it won't boot anything but my Ubuntu live CD. I'm able to work with the ...
3
votes
3answers
855 views

Unable to increase partition size with subsequent blocking partition

I can't make my main Macintosh HD partition bigger. It's limited by the partition in the middle, which seems to be frozen, I can't move it down to make space for my main partition. Also I can't seem ...
1
vote
1answer
164 views

Minimum partition size for normal osx usage?

I want to set up a linux/osx dual boot on a mbp with a shared zfs pool for data and /home. My question then is, if /Users is on a separate partition, does anyone have any recommendations towards how ...