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

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In MBP, SSD can only be used to boot by USB, not as an internal drive

I have a Macbook 17" (early 2011) and I recently upgraded the default HDD to an SSD. This worked for a couple weeks but then I started getting a folder with a question mark on it during boot and the ...
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684 views

“Couldn’t create temporary file.” error when erasing free space on external disk

I was trying to wipe the free space of an external USB 3.0 disk in OS X (Yosemite) disk utility. However, I receive the following error: EDIT: The disk is formatted as GUID / Mac OS Extended ...
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129 views

Macintosh HD disappeared from finder after “disk damaged and cannot be repaired”

I have a MacPro 13.3 Inch mid2011 with 500GB storage and recently while performing a Mac update, it froze and was still stuck on a grey screen even after multiple restart attempts. I finally tried ...
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54 views

Mac Encrypted HDD Please help!

Hi everyone I have encrypted a partition of an external hard drive from the mac desktop. I pressed that key button then pressed memorable and it changed my entire password unknowingly. I need help. ...
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69 views

Why can I not create a directory on my external hard-drive?

When I try to make a new directory on my external hard-drive I get a message saying that it is a "Read-only file system" LU06296APPLE:~ fortinok$ mkdir /Volumes/Seagate\ Backup\ Plus\ ...
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2answers
79 views

Negotiated link speed considerations for SSD choice?

If my negotiated link speed is 3 GB (instead of 6 GB), does this still mean I'm using SATA III on my early 2011 Macbook Pro 17-inch laptop? I ask because I'm currently upgrading my HDD with an SSD ...
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26 views

Would a snapped IR sensor ribbon on a A1181 macbook stop the macbook from booting?

Would a snapped IR sensor ribbon on a A1181 macbook stop the macbook from booting? I was replacing a sata hard drive cable in macbook and the IR sensor snapped and I am still having very odd hard ...
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59 views

Limit hard drive i/o usage by one process (Dropbox)

I'm using only 5% of 1TB given by Dropbox and it regularly chokes my Mac Mini's HDD by "Downloading file list" too often. I think it's just a poor performance (it started since the last Dropbox ...
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57 views

Can I safely use my MacBook Pro HDD late 2011 with a late 2009?

I have a GPU issue with my MacBook Pro late 2011 which requires 3 weeks in repair (until the required parts come in). I took out the hard drive and put it in an external casing. Can I safely use this ...
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36 views

How to setup and backup in Time Machine when there is only one hard drive showing?

then other window open which shows internet written their and they says no airpot found searching for it....!2 and if i go to disk utility there is only one hard drive shows "machinetosh hd"!2 i ...
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63 views

Late 2008 Apple Aluminium MacBook complete reinstall [duplicate]

I have a pretty old Aluminum Macbook (late 2008). I pretty much have the original MacOS installation, continuously upgraded to Mac OS Yosemite. Nowadays, it is kind of hard to get by with 250 GB of ...
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241 views

On Macbook Pro, how to tell if my hard drive access speed is a bottleneck to my current computer performance?

I'm considering giving my 2010 Macbook Pro an upgrade. Whether upgrading its 500 GB hard drive to SSD drive is a priority depends on how much it bottlenecks the computer's performance. Is there a ...
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171 views

Disk utility damaged or incomplete! [closed]

I just bought macbook pro os x Yosemite yesterday band new. I have been transferring files from windows to mac whole day then i wanted to make some changes in folder and i come to know that my disk ...
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1answer
24 views

Clone hard disk of old macbook to new macbook?

I have a MacBook mid 2014 with Yosemite on it. If I buy a new MacBook, can I clone the disk from the old MacBook to the new one and have it boot up just like if it was the old one?
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44 views

Created a second OS X partition, erased the first, now can't delete old partition

I bought a secondhand macbook pro (early 2011). It was running Yosemite, but I wanted to do a fresh install, as initially I didn't have the password. I created a 2nd partition and installed a clean ...
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1answer
111 views

What is the largest hard drive a Mac Pro 3,1 (early 2008) will support?

What is the largest internal hard drive a Mac Pro 3,1 (early 2008) can support? I read here that it's around 1.2 TBs is that correct? Also I plan to run Proxmox on it, not Mac OS X (well, I might ...
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42 views

/Volumes/external_drive folder not being removed

I have a 2TB external HDD, formatted using exFAT. It seems that, even after I eject the disk, the mount point remains in /Volumes. Thus, every time I plug the drive in, a new mount point gets created ...
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250 views

Orphaned inodes in SSD in MacBook Pro Early 2011

I have a Macbook Pro 15″ Early 2011. Last year I changed the disk to put a new Samsung SSD (Evo). Recently my computer was really slow. I rebooted on the recovery partition, and tested my disk with ...
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22 views

How many files are on my HFS drive?

Is there a quick and easy way to tell about how many files I have on a given HFS+ formatted hard drive? On Unix, I use df -i, but HFS+ apparently doesn't use inodes and returns a silly answer based ...
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228 views

Hard drive died, how do I get the OS X on new hard drive?

I have a huge problem. My hard disk seems to be dead. I did a lot of things but I guess it's really gone. The thing is that I don't have CDs o DVDs of the OS X Lion (it's a macbook pro A1278 bought in ...
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56 views

remove old drive from Time Machine backup

My old HDD died, I restored data to a new one, but now I have two versions of backup: new and old The name was MyVolume, in Time Machine I have now MyVolume and MyVolume1 I already tried tmutil ...
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54 views

installing a SSD as main drive

I have iMac (27-inch, Mid 2011) 2.7 GHz Intel Core i5 12 GB 1333 MHz DDR3 and I have installed a 128GB SSD into the system. Formatted it for mac and it is sitting empty right now. I have the main 1TB ...
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559 views

“Disk Utility stopped repairing Macintosh HD. Disk Utility can't repair this disk.” What now?

When I turned my computer on, it got stuck on a gray screen (nothing, no apple logo, but occasionally a spinning wheel, and I could move the mouse). I rebooted in recovery mode and got the various ...
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68 views

MacBook Pro mid 2012 OS X Yosemite hard drive error

So I went to my MacBook the other day and the screen shows nothing but a folder with a question mark flashing. It won't reconize my hard drive. I can still hear it spin up and running so is this still ...
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45 views

SSD install and user info transfer

I have a iMac (27-inch, Mid 2011) 2.7 GHz Intel Core i5-12 GB 1333 MHz DDR3 I have installed a Samsung SSD 850 Pro 128GB drive . I put a new install of Yosemite 10.10.2 on the SSD and have it booting ...
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36 views

ipod classic 160gb

I need help. I am literally at my wits end. I've had my 160GB IPOD A1238, Model number 2173. for just under a year. No I don't have the receipt because I expected Apple products to be quality. I am ...
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47 views

Why Does A New Mac Pro Only Support a Single Internal Drive?

Every graphic-heavy application I have used has recommended storing files it uses on a separate disk from the boot disk (preferably an SSD), however with the new MP this isn't an option. The only way ...
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78 views

Will I be able to access my Time Machine backups after changing Hard Drive

I have a 2010 MacBook Pro - I am planning on swapping out the Optical Drive for an SSD in the near future, and then re-installing OS X across the Hard Drive and SSD (in a Fusion Drive format). I have ...
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36 views

Change write permissions on internal HD outside of OS

I have a late 2009 iMac with a 1TB internal HD. I am unable to boot the OS however when running disk utility, through target boot and booting into an external HD, I am unable to repair, erase, ...
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76 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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Hard Drive Space Eaten Up Daily. Think Crashplan may be a reason. Need Help

I've been suffering with this for weeks. I'm running Yosemite on a 15" MBP. I am told daily that I have no more disk space and no matter what I end up deleting I'm left with 1GB minutes later. About ...
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77 views

Caching HDD Files on an SSD

Given a system with a fast internal SSD, and a slower external HDD, is it possible to improve the HDD's performance using free space on the SSD without creating a Fusion Drive? In my case the external ...
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DriveDx shutdown count is very high

DriveDx claims that there have been 2051 power cycles on my Fusion SSD in 17 months. For the Fusion Hard drive part it claims 6402 power cycles count. SSD power on time has been 12250 hours and ...
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271 views

Moving iPhoto to external drive on a MacBook Pro (Retina, 13-inch, Mid 2014) with 8 GB 1600 MHz DDR3

I bought a Seagate external HD 500gb with my Mac. Recently started using Photoshop and Lightroom, which take up a ton of space. I was thinking of moving my entire iPhoto to the Seagate to free up ...
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Flashing folder at start up, all recommended troubleshooting has failed

I really hope someone might be able to help with this cause I am getting frustrated beyond belief. I have a MacBook Pro with Mavericks OS X 10.9. About a week ago it crashed while I was printing, ...
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383 views

MacBook Pro SSD boot issues

So I have a MacBook Pro (Late '12), has run seamlessly with all OSes that I have put on it, (not to say that this problem is due to the OS). (I'm trying to be as detailed as possible so bear with me.) ...
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1answer
57 views

Time Machine file structure?

I have a drive used only for Time Machine. The drive is 3TB, with 1.75TB showing available, so TM actually has used only 1.25TB, yet the total reflects 50+ backups of 80GB each. The question is - ...
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54 views

File in /.Spotlight-V100 on bad block

So I have a file /.Spotlight-V100/Store-V2/9ED490D0-6169-4B28-A1B6-46E34ABD0CD1/5.indexPositions which when read causes an IO error disk1: I/O error. 0 [Level 3] [Facility ...
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1answer
363 views

OS X Yosemite always mounts usb-hdd to the new folder

I have a Seagate Free Agent HDD drive with NTFS formatted. Since there was trouble with writing to NTFS partition in Yosemite, I've installed OSXFUSE from dmg package and ntfs-3g from homebrew and it ...
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1k views

I think I messed up the Fusion Drive on my 1TB iMac (with BootCamp)

this is a somewhat similar post to this one (Can't create partition on free space with Disk Utility) but not quite... It started with me creating a BootCamp partition (around 145 GB) for Windows ...
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50 views

USB drive works only in one port

I have an old Kingston 2 GB USB flash drive. I believe it was bought in 2006. When I plug it into the right hand side USB port of a 2012 retina MacBook Pro, nothing happens. When I plug it into the ...
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659 views

What does “EFI system partition couldn't be created” mean?

When trying to click "Repair Disk" on an external hard drive from Disk Utility, I got the following error message: ... Repairing the EFI system partition's file system Updating boot support ...
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1answer
19 views

Apple store question about installing new hard drive

I plan to make a trip up to the apple store tomorrow. I need them to put in a new hard drive in my Macbook Pro mid-2010 15". Do I need to make an appointment with them? or can I just show up and drop ...
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90 views

Convert Mac Pro internal boot drive into an external harddrive without wiping

I have a 2008 Mac Pro running Yosemite. I just purchased a solid state hard drive which I want to become my boot drive. I do not want to transfer the data from the original boot drive to the solid ...
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608 views

Partition issues after deleting Core Storage Logical Volume Group. Everything prompts an unmount error. HELP!

I followed the instructions on this link (last answer) to delete the Core Storage Logical Volume Group via terminal while pressing Cmd+R during startup. These are the functions I used in terminal: ...
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20 views

Best overall hard drive for a macbook pro 15" mid-2010

I am not up to date with all the specification. How does something like this look? ...
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93 views

Opening up your MacBook and how to avoid static electricity

Static electricity can exert incredibly high voltages (upward of a thousand volts) which can zap sensitive equipment. Hence, all videos that explain opening up your Mac feature some form of ...
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1answer
229 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 ...
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1answer
163 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 ...
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156 views

How to reset a Seagate FreeAgent Go Mac External Hard drive to use with a new Mac?

I have a 500 GB external hard drive that I want to use with my new Mac (OS X Yosemite). I simply want to clear the external drive of everything that was on my old Mac (I don't want to transfer any ...