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

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3answers
8k views

Disk Utility won't allow me to delete and resize partitions

I'm running OS X 10.9, and I had a linux partition when I updated from 10.8. Since I updated I can't boot on linux, which is no big deal for me. However, I would like to delete the partition that is ...
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2answers
1k views

Error: “couldn't unmount disk” keeps coming up when formatting external HD to eXFat

I have a WD "my Passport" external HD that is currently formatted for a PC and I would like to format it to eXFAT. Every time I hit "erase" in disk util it just comes up with the error "couldn't ...
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vote
0answers
207 views

Waiting for disks to reappear on SSD new install

I just installed a new Samsung SSD 840 PRO in an Early 2011 Macbook Pro, trying to format drive and it is stuck on: "Waiting for disks to reappear" What should I do now?
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0answers
28 views

Alternative to HFS+ disk format for Time Machine backups

I'm looking for an alternative to format my hard drive with for Time Machine backups. I've read that HFS+ is a file system with poor error correction for data deterioration in hard disks. Over time, ...
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0answers
33 views

Used DiskMaker to create bootable USB, got error 10600, USB won't mount

I tried creating a bootable USB for Mavericks. Downloaded and used DiskMaker X. Got an error, -10660, and the app closed. Now my Mac won't mount (or recognize) the USB drive. It doesn't show up in ...
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0answers
26 views

Partition Table Overwritten by MBR for USB external storage

I was trying to make my SD card writable again on my MBP which I had my 1 TB external storage connected to my Macbook Pro. So I ran the command $ sudo diskutil eraseDisk FAT32 SDNAME-SD MBRFormat ...
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0answers
30 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 ...
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0answers
2k views

The disk you inserted was not readable by this computer

I am getting a system message from Mac OS x 10.8.2 every time I power on my ICY DOCK RAID enclosure. I have followed the procedure in the manual to the letter. Installed two new 2TB HDDs > Changed ...