Apple's built-in disk management utility for the mac. Erases, formats, and restores volumes and drives.
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4answers
694 views
What techniques for disk, volume and file system management are possible with OS X, but troublesome within Disk Utility?
In the past, Disk Utility was the best starting point for the vast majority of disk-related tasks.
As technologies within (or possible with) OS X have developed – without equal development of Disk ...
8
votes
1answer
204 views
I know how to repair disk permissions. But… Who broke them?
One of the common Mac troubleshooting steps everyone always seems encouraged to try first is to "repair disk permissions" in Disk Utility.
This process usually finds random odd problems, fixes them, ...
2
votes
3answers
4k views
Unable to resize Lion partition
I decided to do a clean install of Lion on a new partition, then after copying my stuff removed the old one. I'm now stuck with 100~ GB of free space and a 20 GB partition that Disk Utility won't let ...
1
vote
2answers
269 views
What's the tool that can do some actions when a file is copied?
I use Cmd+L to make a alias, and the alias has "alia" appended to the original file name. I move the link to a directory, then remove the "alias" part manually.
Is there a tool that can do this kind ...
2
votes
2answers
798 views
Is it safe to enable the hidden disk image formats and debug menu in Disk Utility, and what are its purposes?
I'm primarily interested to know whether installation of Lion included the Recovery System.
I understand you can enable extra formats and debugging in Disk Utility, using the following commands:
...
2
votes
3answers
163 views
Completely erased my Leopard machine from another computer, how do I install an OS on it?
I started up my computer in Target Disk Mode and erased it from a friends Mac thinking that I could then install Mountain Lion without installing Snow Leopard. Do I have any way of getting my machine ...
2
votes
2answers
517 views
Disk diagnostic and repair utility for Mac that works with all kinds of storage devices?
There are some nice and useful utilities for testing disks for bad blocks like MHDD, Victoria, HITACHI Drive Feature Tool etc. But these utilities have some limitations.
For example, MHDD is the best ...
1
vote
3answers
3k views
I have 21.5GB free. Why won't my MacBook Air 2010 let me use Boot Camp?
I'm trying to install Windows 7 on my MBA, 2010.
I open up Boot Camp and attempt to use it, but after the first screen it comes up with an error saying it can't install unless theirs 10GB of free ...
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votes
1answer
2k views
What are next steps when fsck reports “could not be repaired after 3 attempts”?
My Mac Book Pro 13.-" doesn´t get past the grey booting screen with the apple and the spinning wheel (The loading bar appears but when it´s done nothing happens)
I have 220 GB in one single ...
4
votes
1answer
2k views
Why does OS X now think I have two partitions on my external USB drive (plus random connection issue)?
I have an external USB drive that I have plugged into a USB hub, which gets unplugged from my computer about once a day. Most of the time I remember to unmount the drive before disconnecting so that ...
4
votes
2answers
11k views
How do I change a disk partition map scheme from MBR to GUID Partitions Table?
I just finished the huge download of Mac OS X Lion, started the installer, and now I have a problem. The installer says that I must have the GUID-Partitions Table Scheme.
The problem is that when I ...
3
votes
2answers
3k views
How to fix Disk Utility, About This Mac, and Finder that disagree on hard drive space usage?
Has anyone seen this issue and know how to fix it?
Look at the free space reported by running "Get Info" on my hard drive (Macintosh HD) in the Finder, "About This Mac" from the Apple Menu, and Disk ...
2
votes
3answers
3k views
How can I tell if my iMac's hard drive is dying?
A couple of days ago, my three-year-old iMac locked up. When I rebooted it, it only displayed a folder icon with a flashing question mark. After a couple more reboot attempts, it booted. I ran Disk ...
3
votes
3answers
352 views
Copying Time Machine backup, destination takes more than original size, are hardlinks being expanded?
I'm copying the backup folder of Time Machine, but it's taking too long, the backup is 90GB and the copy already reports 160GB and there's 60% to go yet, so I suspect it's copying hardlinks as ...
1
vote
4answers
4k views
How to install Mountain Lion on a disk that cannot be formatted in recovery mode?
I'm trying to do a clean install of Mountain Lion but I'm not being able to format my partition.
I previously had Lion, encrypted the disk, then upgraded to Mountain Lion, then booted into recovery ...
1
vote
2answers
612 views
Recurring “error code -50/invalid argument” resolved by reboot, better solution sought
I'm using an old iBook G4 (PowerPC) running Tiger to serve iTunes to the house. For the past week or so, the mac boots fine, and then sometime during the day starts generating
An unexpected error ...
0
votes
2answers
113 views
For bad and/or marginal blocks on hard disks, can anything be more effective than a single pass of zeros?
There's a good discussion in Apple Support Communities –
Disk Utility: for bad blocks on hard disks, are seven overwrites any more effective than a single pass of zeros? (2011-04-21)
A highlight:
...
0
votes
1answer
722 views
Solving a problem on a MacBook Pro 5,1 with an OCZ Agility 3 SSD
I installed Mac OS X lion on an SSD (through USB) after checking the firmware was the latest version (2.15). When I transferred the SSD into the MacBook Pro (like i usually do after an install) but it ...
7
votes
8answers
5k views
Macbook HD “Other” all the Sudden Almost Full
As you can see in the below image, my HD "Other" category is almost full. A couple of days ago, I randomly kept getting a popup saying that my disk was almost full. Then I went in and noticed the ...
2
votes
1answer
496 views
JDiskReport is damaged, can't be opened
I have tried downloading and running JDiskReport 1.4 a few times now, and after unzipping it and clicking on the executable I get the message:
"JDiskReport" is damaged and can't be opened. You ...
0
votes
1answer
297 views
Single User Mode can´t repair my HD [duplicate]
Possible Duplicate:
What are next steps when fsck reports “could not be repaired after 3 attempts”?
Hi Guys I hope someone can save me!!!
I´m so stupid that I don´t have a backup of my ...