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Questions tagged [partition]

Creating a new disk formatting scheme or altering an existing scheme

Creating a new disk formatting scheme or altering an existing scheme. Partitions can be created on OS X using or 3rd-party software.

2121 questions
22
votes
4 answers

What is the 'Mac OS X Base System' disk image on my 2011 MacBook AIr?

On my 2011 MacBook Air with Mac OS X Lion, I boot into Recovery mode via holding the command-R key during startup, if I go into Terminal and do a diskutil list, I get a list of 12(!) logical disks. disk0 is of course the disk holding the main HD…
Jason Waldrop
  • 353
5
votes
2 answers

Can I remove Recovery HD partition?

We replaced the hard drive with a Patriot SSD in our iMac at work. I messed up while cloning the drive to the new SSD using a GPartEd CD. Everything works but there is about 40 GB unpartitioned that I want to recover. I cannot extend the main…
TJ Mott
  • 53
4
votes
1 answer

How to create a hidden partition on a hard drive?

I have created 3 partitions on a hard drive. I've tried renaming the partition with a dot in front, however it seems that the OS doesn't allow that. How to make one of the 3 partitions hidden to the user?
theAmateurProgrammer
  • 675
2
votes
1 answer

Partition HD for triple boot (or move Apple_Boot Recovery HD from a primary partition)

I want to triple boot but I'm running into a problem I ran out of primary partitions. Currently using rEFIt bootloader chooser or whatever it is called, from what I understand it is not a bootloader itself but selects the bootloader for the OS you…
dghughes
  • 121
2
votes
0 answers

Can't reboot from external HD after partitioning

I was able to boot from my external HD formatted in Mac OS Extended until I partitioned it with Disk Utility. According to Disk Utility the Mac partition is still bootable but the drive no longer shows up in Select Startup Disk or when I reboot the…
kevster
  • 21
2
votes
2 answers

Can't resize external hard drive partition

I remember very clearly back when I formatted the drive, that I chose everything that St. Steve prescribed me to, GPT table, HFS+ partitions, even though other platforms can't write to HFS+. Now, surprise surprise, a year later when I have to…
Jonathan Allard
  • 192
2
votes
2 answers

Safe to Repair NTFS Drive/Partitions When Paragon Is Installed

Is is safe to repair NTFS drive/partitions with Paragon installed? I don't have access to windows anymore and can't format them
DannyMichel
  • 21
1
vote
3 answers

Can't extend Macintosh HD partition after removing Linux

I toyed around with Linux, and after discovering that the offical Linux NVidia drivers doesn't have EFI support which makes it impossible to make it work optimally on my system (bummer), I wanted to remove it. I deleted the partitions with Disk…
jobukkit
  • 293
1
vote
3 answers

Install Boot Camp gone bad -- installed windows on a wrong drive

I tried to install Boot Camp to my iMac and I installed windows to the wrong drive. Instead of Boot Camp partition, I installed it to OS X :( So now I cannot repair the drive using disk utility because i grayed out. The drive is now called…
Jon
  • 61
1
vote
0 answers

partition all unallocated space Mac Mojave

How do I create a partition out of unallocated space on Mac OS Mojave/APFS? diskutil apfs list in Terminal indicates I have 137.8gb unallocated, but in Disk Utility I can only add a partition up to 68.5gb. I want to make a larger partition. I only…
Allyson Bowers
  • 21
1
vote
1 answer

Converted from a basic disk to a dynamic drive in Boot Camp

I got a MacBook Pro and installed Windows 10 using Boot Camp and all was fine. I then needed to create a 50GB NTFS partition, when Windows prompted me to convert to a dynamic disk, I mistakenly hit enter. When I rebooted PC, the Mac option was gone.…
Behdean
  • 11
1
vote
0 answers

merging free space into a partition that logically lies before the partition

On my MBP 2011, I had a dual-boot setup with Snow Leopard (that originally shipped with my laptop) and Lion Developer Preview GM that I had installed later, using Disk Utility to appropriate modify the SL partition. Each partition occupied…
Aky
  • 11
1
vote
0 answers

Move/resize Mac partition?

I have 2 partitions (2.6gb, and 150gb) on one of my (3gb) drives. It had 3, but I removed one that wasn't used. Disk Utility should allow me to expand the 'lower' (150gb) partition into the free space - but not the 'top (2.6gb) partition. Is there a…
glvr
  • 11
1
vote
1 answer

Repairing a Partition that doesn't show up in Disk Utility

I have a friend's flash drive that has been acting very strange. I am able to get the Sandisk factory partition that is 64 MB to show up, but not the actual 8GB partition with all of his files. Nothing has been intentionally formatted. Anything I…
Scott Richman
  • 11
0
votes
3 answers

"Partition failed with error: Couldn't unmount drive"

I am trying to create a new partition so I can install Windows through Boot Camp. I boot into recovery mode using my Recovery Assistant USB and no matter what I do, when I try to resize my drive and create a new partition, I get this error. What am…
Zachary
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1
2