refers to formatting, or erasing a disk, deleting all data on the disk

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USB pendrive/disk formatting clarification

I have three doubts regarding USB pendrive formatting. 1) Is there is any simple/quick way to format the USB pendrive from MacBook Pro? Now, I am doing this by Applications/Utilities/Disk Utility ...
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1answer
673 views

Grab list of Stats, Application Data, and Serials off OSX 10.6 to prepare for reformat and fresh install?

I need to reformat my 2007 OSX as it is now returning kernal errors. I want to install everything fresh but I have a lot of software and don't want to sit here making a list of everything installed as ...
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1answer
2k views

When is the GUID partition table (GPT) preferred over Apple partition map (APM) for external drives?

I have seagate external portable hard-drive 1 TB, and I will be using with following Mac's. 13" White MacBook (Intel Core 2 Duo) running Snow Leopard 13" MacBook Air (Intel Core i5) running Lion iMac ...
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1answer
507 views

Format External Western Digital Drive to be used with only Mac

I recently ordered Western Digital My PassPort Essential. I will get it by tomorrow evening. It comes pre-formatted using NTFS file-type. I need to format it, to be used with My MacBook Pro (i.e., ...
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1answer
228 views

Why does OS X format MS-DOS filesystems so much faster than Windows does?

When I format a MS-DOS filesystem using Disk Utility in Mac OS X it takes only a few seconds, but when I format a FAT32 filesystem in Windows it takes several minutes. What is OS X doing differently? ...
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1answer
3k views

Why can't I write to the last block of my SDXC card on my MBP?

I have a 64GB SanDisk SDXC memory card which I would like to use with my MacBook Pro and its SD card slot. However, I am having some trouble formatting/partitioning my SD card and I can't figure out ...
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2answers
16k views

How can I reformat my macbook pro?

I have an 8 months old macbook . It has gone little slow I believe because of me installing VMware . Which I have now removed but still performance is not as good I used to be. I would like to reset ...
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7answers
7k views

Partitioning secondary internal hard drive failure

Looks like my 2nd HDD became a brick. I tried to partition it via Disk Utilities/booted from recovery partition/diskutil to no luck! I got vague/strange errors such as: unable to unmount, or: ...
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3answers
2k views

Secure erase drive in Single User Mode

My 2007 Macbook Pro has suffered from a failure of its GPU and will now only boot in Single User mode. I want to sell it on eBay for spares, but obviously I don't want a hard drive with live data ...
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2answers
1k views

How can I repair a hard drive that Disk Utility and Disk Warrior can't fix?

I have a Mac Pro running Mac OS X Lion, and one of my hard drives has acted weird since attempting to repair permissions. I used Disk Warrior, but it says the HD can't be rebuilt. When I try to format ...
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1answer
1k views

External HD Shows up in Disk Utility, but I can't access it

I have an External 1TB hard drive that has been corrupted, it was so corrupt that I had to abandon the files on it. So now I'm simply trying to erase it so I can begin using it again. But here's the ...
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5answers
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Lost password on Mac OS Extended (Journaled, Encrypted) Drive. Want to reformat it

I am using a Seagate Free Agent Desk external drive as my Time Machine on a modern iMac running Lion. I made the mistake of encrypting the drive, and I do not remember the password. I dont mind losing ...
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2answers
3k views

How can I reformat my hard-drive?

I am in Disk Utility under the Erase Tab. The Format section is grayed out even though I have my main disk selected. The only buttons active are Erase Free Space, but I want to reformat the entire ...
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3answers
4k views

Can I install OS X lion on a disk that is OS X Extended Journaled encrypted?

Just wondering if I can, using Disk Utility, format the hard drive such that it is OS X Extended (HFS+) Journaled encrypted. Will Lion be able to install on that disk?
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2answers
10k views

Deleting a partition in Disk Utility fails. (Error: -69879)

This is the output in Disk Utility: Disk Utility cannot modify this disk because it contains CoreStorage physical volumes. Use command line distil instead. The selected partition won't be ...
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3answers
6k views

Changing a Volume's “Device / Media Name”

I know a Mac volume can be renamed... obviously. But if you look at the output of diskutil you will see that a volume also has a "device name" that corresponds to the name it was given when it was ...
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1answer
1k views

Why is my iPod Shuffle an “Unknown Device”?

Help, I've tried everything. I have an iPod Shuffle 2nd generation and ever since I plugged it into an AC wall charger, my PC has stopped recognizing it. I tried multiple PCs, to ensure it's not my ...
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1answer
146 views

How do I boot from my Mac partition?

I tried to install Windows 7 on my Mac via Boot Camp, but the disk of Windows 7 doesn't work. When I tried to install the Windows 7 it shows a black screen. Now I want to boot back to OS X, but I ...
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1answer
231 views

Why are my DVD disks in the wrong format?

I'm trying to play DVDs on my MacBook Pro however the disk doesn't play it doesn't even mount. When I check Disk Utility it shows the format as Windows NTFS 3G. If I try the same disks on another ...
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1answer
999 views

Disk utility hanging

I'm trying to reformat the hard drive on an iMac G5 prior to selling it. I've booted the Mac from the installation DVD that came with it, opened Disk Utility, and told it to erase the drive using both ...
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1answer
239 views

JPEG XR support

What kind of support does OSX have for JPEG XR (also known as HD Photo)? I know that there is a Photoshop plugin for it, but are there any other forms of support such as an image preview or other ...
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3answers
1k views

Can't format an external HDD :Error: -9944: File system formatter failed

I have MacOs 10.6.6 and a Western Digital external 2.5'' HDD USB 3.0 pre-formatted to NTFS. I try to format the drive do HSF+ with DiskUtility program, but it says: Error: -9944: File system formatter ...
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1answer
281 views

What happens if I format my iPod Touch 2G?

Because when you connect it to Ubuntu, it sees iPod touch as a usb device and I think it allows to format it also. So, I wonder what would happen if I format my iPod Touch?
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5answers
960 views

Should you format your Mac?

Back in my Windows days, I used to fully format my PC once a year or so, to start fresh and get rid of some of the slowdowns. It helped. Would you recommend the same for Macs? What's the recommended ...
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16k views

How do I format a disk partition from the command line on OS X?

How do I format a disk partition from the command line on Mac OS X? In case someone wonders why: because for some people Disk Utility fails.
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1answer
2k views

External drive format to be writeable on both Mac and Windows

What file-format an external drive has to be for it to be writeable on both Macs and Windows machines? I have a 750GB external drive originally formatted in NTFS for Windows, but it's not writeable ...
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1answer
1k views

Can't Delete/Move folder/files on external HDD [duplicate]

Possible Duplicate: How can I use NTFS partitions? Hi, I just bought a new external HDD, It went well on my PC but I can't delete/move files on it from my macbook. PS. Im running OS X ...
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4answers
6k views

HFS+ case-sensitive or case-insensitive — which type to use for the primary drive partition?

What reasons are there for choosing the case-insensitive version of HFS+ when formatting the primary drive partition? Would case-sensitive not always be the best choice?
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2answers
1k views

Time Machine backup format

Is the format of Time Machine's backups documented, or standard? Can I extract the files with a non-Mac system?
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3answers
12k views

What are the differences between journaling HFS+ and non-journaling HFS+?

I'm about to format an external hard disk drive (HDD). What are the key differences between journaling HFS+ and non-journaling HFS+? Apart from the fact that one has journaling and the other does ...
2
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3answers
8k views

How to nuke everything from imac and start it at the beginning from scratch like i first bought it

I have some problems that i cannot resolve on my iMac and now I would like to delete everything and start it from scratch like when i first bought it a few years ago. Please show me the steps. ...
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4answers
36k views

How do I make a bootable USB flash drive for a MacBook Air?

Does anyone have a Terminal command-line recipe for making a new bootable USB flash drive for one of the new MacBook Air's? Is there a way to dd copy the USB boot device that comes in the box and ...
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1answer
6k views

How to format the OS X installer USB stick that comes with MacBook Air?

When you purchase a new MacBook Air they give you a mini-USB drive that is used to reinstall OS X and iLife '11. How can I format this USB stick and put whatever I want on it? The option to format ...