Questions tagged [hard-drive]

A hard drive is a device for permanent or long-term storage in computers.

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Help partitioning “free space” with utility disk

I've been trying to partition my harddrive to have ~50 gb of unallocated space (right now there's one partition with the operating system on it, so I would like to have that plus the free space). This ...
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1answer
4k views

BootCamp can't partition

I had a problem with my Macbook that couldn't read the internal SSD and boot OS X, but I solve it: MacBook does not mount, does not boot, does not read drive . I used resizeStack method to get the ...
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0answers
484 views

Bootcamp - can't save Windows support software, not enough space on available disk

So I keep getting the above error at the following step, Downloading windows support software - OK Partitioning disk - OK Copying windows files - OK Saving windows support software - ERROR I have ...
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1answer
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How can I copy a file from a CD when Finder reports error code -36?

I have a CD. I copied the whole CD to another location - except for one file. When trying to copy that particular file, I get following error: The Finder can't complete the operation because some ...
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Apple Hardware Test result: 4HDD/11/40000000: SATA(0,0). But repaired Disk and Permissions w/o a problem

Ran an Apple Hardware Test. Result: 4HDD/11/40000000: SATA(0,0). Then repaired Disk and Permissions. Result: Volume appears to be okay. But during use, sometimes it freezes randomly and my MBP ...
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1answer
10k views

MacPro Hard Drive 3 TB or Larger formatted to Logical Volume Group by Disk Utility

I have an Intel MacPro in which I recently installed a new internal 3TB hard disk. I attempted to format it in Disk Utility using the standard GUID partition map and encountered a strange problem. ...
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1answer
2k views

External hard disk not showing up on finder and can't be verified in Disk Utility

My Mac suddendly restarted and now the external hard disk I normally use for Time Machine backups is not working anymore. When I plug it in, it doesn't appear on finder and while it appears in the ...
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1answer
2k views

Unable to boot Windows 10 from Bootcamp external HDD

I have installed Windows 10 Pro in Mac OS X El Capitan using Bootcamp, restored the same to external USB 3.0 HDD using WinClone Pro. Now I am getting error when booting to Windows. Steps followed: ...
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2answers
6k views

Macbook Air intermittently can't find startup disk

About six months ago, my Macbook Air started having a strange issue where it would often not be able to find the startup disk, giving me the flashing question mark. Initially, I was convinced the hard ...
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2answers
733 views

Logical Volume Group 17gb “Available Space”

Can anyone help explain why there is 17 GB worth of free space on my LVG I can't seem to do anything with this space. Is there anyway to fix this? I have already reformatted the disk then cloned the ...
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568 views

External hard drive not recognised by MacBook Pro.

Recently my segate 1tb external hard drive has been playing up on my late 2013 MacBook Pro with retina. It has been very inconsistent. sometimes it works fine for a day or two or only 2 minutes, and ...
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1answer
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Running out of hard drive space, yet Disk Inventory shows only 190GB used vs. 480 GB used in HD Get Info? How is that possible?

I'm down to 20GB on a 500GB hard drive and would like to know what's eating up the disk space, so I can clear out any large things I no longer need. 2 screen shots are showing me Disk Inventory ...
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2answers
11k views

How to upgrade HDD to SSD and replace the optical drive with HDD?

I am trying to understand the process of switching out my HDD for an SSD and then replacing my optical drive with the same HDD just removed in a late 2011 Macbook Pro 15.4". Is there any benefit to ...
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1answer
1k views

Compatible SSD for Macbook Pro (replace HDD)?

Any special compatibility concerns when replacing the HDD on a MBP with an SSD? I am running Parallels with XP Pro and Ubuntu and have been disk bound for some time. Not too concerned about size, ...
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1answer
12k views

System Formatter Failed While Erasing External Hard Drive Mac

I have been trying to erase my external Hard Drive "My Passport", however there was a problem and then the Hard Drive disappeared from the Desktop and could't be found. Only Disk Utility would see it ...
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1answer
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Recover Deleted Files on Mac OSX [External NTFS]

I have accidentally deleted some files on my Mac OS X Mavericks. Actually, I was trying to burn an .img file to my flash drive which was located at /dev/disk1 (at the same time I had connected a NTFS ...
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1answer
5k views

Fusion Drive seems to be messed up

I felt that my iMac late 2012 became pretty slow, above all after login. Now when I look into disk utility, it seems that my disk doesn't behave as Fusion Drive any more: An output from terminal: ➜ ...
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2answers
848 views

osx split external hard drive partition

I currently have a 640GB external HD that has 1 partition formatted as HSF+ Now I want to split some of the free space into a new FAT32 partition, without having to reformat the whole HD and losing ...
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1answer
6k views

MacBook Pro upgrade to SSD migrating OSX and Bootcamp partitions

I wasn't able to find the info I needed here or on Apple's own forums or via Google, so here goes. I have a MacBook Pro 15" early 2011 model with a 500 GB internal hard disk drive (non-SSD). ...
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1answer
470 views

My Fusion Drive Partitioning Seems Wrong/Strange/Wonky

See below for diskutil list of my 3TB fusion drive (iMac 27" late 2014) running High Sierra: I assume disk0 is the HD and disk1 is the SSD, and disk2 is the virtual combo that is mounted as my "HD". ...
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1answer
1k views

Can Macintosh HD partition be resized while a BOOTCAMP partition resides on the same physical volume?

I have a HFS-partiion, a bootcamp partition and 100GB free unpartitioned space "in between". How can I resize my Mac partition to use it? All resizing controls seem to be disabled, here's the ...
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4answers
7k views

How to recover data from unreadable hard drive?

I have an 80GB Fujitsu 2.5" hard drive that died about a day ago and had nothing backed up. Is it possible to retrieve data off of it somehow.
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259 views

Lost hard drive space to Boot Camp

Boot Camp caused ~200 GB of my 750 GB HD to disappear and I cannot re(un)-partition it through Disk Utility and when I try to reformat the storage through the terminal using: diskutil cs resizeVolume ...
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1answer
825 views

Stop sign when booting from internal ssd, boot goes fine if the ssd is in external case

sorry for the long post and my english. I have an early 2011 Macbook Pro 13 which I purchased in july 2011 and it worked fine until one week ago. Since when I bought it i replaced the stock hdd with ...
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2answers
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Hard Drive Issues with MacBook Pro 13-inch mid-2012

I'm trapped in a HDD nightmare with my MacBook Pro mid-2012. I updated to Yosemite 10.10.3. A couple of days after the update, I was watching a movie on my TV screen via HDMI. In the middle of the ...
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1answer
732 views

EFI automounts on startup

After upgrading to the newest El Capitan from 10.10. to 10.11.1 - I guess - the normally invisible EFI partition appears on the desktop as a regular volume on different machines, if I choose to show ...
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1answer
1k views

How to mount a DMG image created with dd?

I created an "emergency" image of my dying HD using the procedure explained in Recover a dead hard drive using dd. Now when I try to mount the dmg file I get the message: "The following disk image ...
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4answers
66k views

How to create a second partition on an external disk and is it safe?

I want to create a second a partition in my hard disk where one (about 900 GB) is used for Time Machine and another (100 GB) is used to store info like a thumb drive. I don't want any existing data ...
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4answers
2k views

Can I just swap the hard drives of two macbook pros (different years)?

I'd like to swap the hard drives of two Macbook Pros. One is a Core 2 duo model from 2010, the other a 2011 i5 model. Will this work? I just want to save time and not go through a lengthy data copying ...
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2answers
5k views

How to empty MobileBackups.trash content

I noticed that OSX reports a wrong disk space amount, reporting that "Other" space is near to 170Gb. Digging into the issue here "Huge inconsistency in disk space measurement, missing 50% of the disk"...
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1answer
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Unable to erase, reformat, or repartition USB drive

This afternoon I attempted to mount a .iso of Windows 7 to a bootable USB drive. It's about 370GiB, so more than enough to store it. I did the following to get myself into this mess. Note,/sda/disk2 ...
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1answer
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Is there a HDD/Hard-Drive testing tool for mac?

I just found an external HDD in my shelf and want to sell it :-) Before this, I tried to delete all the files on the HDD, but the disk utility of Snow Leopard aborted with a known error "Disk Erase ...
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5answers
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Do 2.5" SATA HDDs in an external enclosure need extra power over USB with Windows?

MacBook Pro 2008 motherboard failed. Upon sending it to an Apple authorized repair center, they confirmed this. They gave me the laptop back so I could open 'er up and get the hard disk out, which I ...
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2answers
319 views

Resize system partition?

I found some questions like that here but it doesn't help me. I use Paragon hard disk manager & disk utility to resize it and have screenshot like below. But I can't add free space to main osx ...
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2answers
4k views

How can I restore my system, using Snow Leopard, after hard-drive replacement?

I had a nearly full 500GB drive in my MacBook Pro, running Snow Leopard. As the near-full capacity was becoming problematic, I bought two 1TB drives, went home, ran Time Machine on one of them, and ...
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2answers
2k 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 ...
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2answers
6k views

How to force a readonly volume to remount as read-write?

I have an external Firewire volume with some filesystem problems. One problem is that Disk Warrior can't fix these errors because there is not enough space left on this volume (in fact, it is ...
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1answer
859 views

How do I wipe the hd on an old iMac that is pretty well bricked?

I have an old iMac that I got probably sometime in 2000. It's the kind that has a big old CRT monitor built into it, so I dare not take it apart myself. I haven't used it in a very long time, but it ...
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1answer
526 views

How can I write files to iPod's internal disk on Windows?

when trying it I get the "can't do that" icon How can I copy new photos to the iPod?
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1answer
8k views

Unable to read last block of the device

I'm mid way through replacing the hard drive in my MacBook Pro (mid-2009). I've created a boot disk (10.8) on a SD card which I am booting from. On trying to format the new drive with disk utility (...
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2answers
2k views

Can't erase unmountable external HD

My external HD isn't mounted and can't be repaired by Disk Utility. However, I'm also unable erase the disk: $ diskutil list disk2 /dev/disk2 #: TYPE NAME ...
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2answers
7k views

Huge inconsistency in disk space measurement, missing 50% of the disk

I own a MacBook Pro 13 Retina, OSX reports disk usage as 450Gb, but utilities such as DiskInventoryX tells a different story reporting 226Gb as used disk space: How can I convince OSX to give me back ...
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2answers
120 views

Transfer data from nonfunctional Mac to another Mac with an external drive

I have to save data from a MacBook Air (13" Early 2015) that won't start. I was suggested to buy a Thunderbolt cable, to be able to connect the broken MacBook to another MacBook and see all the data ...
3
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1answer
2k views

Unable to extend my partition

I have searched through this site alot and i wasn't able to find any solutions. My situation is the following: I decided to install linux to dual boot with OSX at my 1TB fully encrypted with FV2 hard ...
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3answers
8k views

Whole disk encryption with a Windows only Bootcamp

I've purchased myself a Mac Book Pro Retina (Haswell) and after giving Mac OS a fair shake have decided to go full Windows 7 and Bootcamp. There is no Mac OS install left on this system. I am now ...
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1answer
613 views

Is it possible to use Time Machine on a shared USB Hardrive?

I've a iMac with an external HD derserved to Time Machine. I also have a MacBookPro. Is it possible to make this config : Share the disk on the iMac so that the MBP sees it on the network Ask Time ...
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2answers
333 views

Finding suitable SSD for my MacBook Air

I have a MacBook Air (mid-2012, MacBookAir5,2). I'm really far from terminology of this subject, I have no idea what is flash memory and don't know if all MacBook SSDs must have a flash memory ...
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0answers
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Accidentally overwrote encrypted external drive (Mac OS)

So I was rushed (and being careless) and accidentally copied about 80 MB of a Raspberry PI image (SD card formatted extfs) over my external USB drive (4TB) that was formatted and encrypted (using Disk ...
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0answers
289 views

Missing hard disk space

I'm trying to figure out where my missing hard disk space is going. I'm using du and df from the command line and there seems to be a clear discrepancy. So here's the du output: $ sudo du -h -d 1 / ...
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1answer
533 views

The safest, most reliable way to move files from drive A to drive B

I am trying to come up with the safest way to move data between two drives, designed to handle the worst possible circumstances. For example: if you were trying to move the only existing copies of ...