Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options answers only not deleted user 85275

Apple's built-in disk management utility for the mac. Erases, formats, and restores volumes and drives.

1 vote

Cannot erase disc in disc utility before trade in

The Base System (& the potential 20 or so tiny volumes you may be able to see below that) are part of your current Recovery session. You cannot erase them - nor do you need to. They are ephemeral & wi …
Tetsujin's user avatar
  • 118k
1 vote

Can't create partition on free space with Disk Utility

It's a Core Storage volume [Logical Volume Group] - which I'd guess is either a Fusion Drive or FileVault encrypted drive. Either way, iPartition cannot handle it. Judging by the number of people wh …
Tetsujin's user avatar
  • 118k
1 vote

How do I recover a password from a custom disk?

Short answer, No - that's what encryption is for, to prevent anyone getting in who doesn't know the password.
Tetsujin's user avatar
  • 118k
1 vote

Disk Utility will not repair permissions

Using answer space for formatting & 'comment size', I'm not sure this is really a full 'fix', but perhaps a pointer in the right direction. It can be updated/amended to get to the correct answer, if n …
Tetsujin's user avatar
  • 118k
1 vote

Unable to format SD card

It's dead. Smash it to prevent your data being stolen & throw it away. If a write error occurs, the firmware controller will switch over to read-only mode to prevent further data loss. This is to all …
Tetsujin's user avatar
  • 118k
1 vote
Accepted

Conflicting Disc Utility Details - Failing Drive

Disc Utility isn't always the best tool for something like this. I would probably throw something like this at TechTool Pro, Paragon Hard Disk Manager or DiskWarrior* for a good 'second opinion'. I …
Tetsujin's user avatar
  • 118k
0 votes

Strange Disk Image File (.dmg) problem - deleted files in xyz.dmg do not relinquish file space

Deleted data goes to the Trash. Files in Trash are still considered as part of the total disk usage until the Trash is emptied. Trash does not recycle itself like Windows, though it has a 30-day timer …
Tetsujin's user avatar
  • 118k
8 votes
Accepted

How to make APFS option available in disk utility?

Partition Map Type: MBR (Master Boot Record) You need to format the entire drive, not just the partition. APFS requires the underlying structure to be GUID, not MBR. As only Volumes are shown by …
Tetsujin's user avatar
  • 118k
1 vote

Tried factory resetting my Macbook Air but won't erase disk

Try erasing the entire drive, not just the volumes. In Disk Utility, Hit Cmd ⌘ 2 (or see the View menu) to show Devices instead of just Volumes. Select the overall drive you will now see over th …
Tetsujin's user avatar
  • 118k
1 vote
Accepted

OSX Yosemite can't resize partitions?

Boot holding Command ⌘ R at the chimes to boot into Recovery Mode, run Disk Utility & Repair Disk.
Tetsujin's user avatar
  • 118k
3 votes

Can a disk's catalog directory be recovered after a Quick Erase?

That's how companies like Prosoft (Data Recovery), Micromat (Tech Tool), Cleverfiles (Disk Drill) & Alsoft (DiskWarrior) make their money. They each have different ways of protecting or recovering yo …
Tetsujin's user avatar
  • 118k
0 votes

Logical Volume Group "Available Space"

You may be [not] seeing the other partitions on the drive, Recovery & EFI, which will be contributing to that 'extra' space. Try enabling the debug menu in Disk Utility, then enabling all partition v …
Tetsujin's user avatar
  • 118k
1 vote
Accepted

Disk Utility stuck at exit code 0 during partition restore (in Recovery Mode)

In theory, exit code 0 means "No errors found, or successfully repaired" - though I don't know why it has then failed to complete & light the Done button. Exit code 8 was "A corrupt filesystem was fo …
Tetsujin's user avatar
  • 118k
1 vote

Transfer capacity between two partitions

This is the kind of task I would always have given to iPartition, however, it doesn't like CoreStorage drives [File Vault & Fusion Drives both use this format] & also it will break Drobos. You also n …
Tetsujin's user avatar
  • 118k
3 votes

How does Bless work?

I'd think again about 'saving time'. While you're cloning it - however you do it - the chances are high that the work actually been done at the same time won't get cloned. To ensure it does, you'd h …
Tetsujin's user avatar
  • 118k

15 30 50 per page