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

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3answers
86 views

New SSD can't be initialized

I have an old Macbook Pro for which I bought a new SSD and replaced the HDD with the SSD. Can't go further, see below. I really don't know what to do. I could return the SSD which, finally, might ...
1
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0answers
19 views

MacBook Pro running slowly: do occasional input/output errors on a ditto transfer suggest it is the hard drive?

I was pulling files off of my Daughter's Macbook Pro using Target Disk mode and saw ditto reported input/output errors occasionally. I'm talking just about 40 errors total in all of the 250 GB of ...
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0answers
43 views

howto encrypt “WD My Passport Pro” online? support.wdc.com with dangerous solution (no security)

I wish to encrypt my WD My Passport Pro drive. I receive error With Google I found An error message occurs when attempting to create an encrypted backup on a My Book Thunderbolt Duo in the Mac ...
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0answers
16 views

There appears to be data corruption when copying data from the hard drive to SDCard

When I copy some files from my hard drive to my SD Card the files become corrupt. But not all of them and not all the time. I get the following error: Unidentified codec VLC could not identify ...
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1answer
91 views

can't rename HD

My son's mac running 10.11 has the hard drive named this curie HD""""""""""" copying and pasting reveals lots of spaces after the sequence of " characters. I can't rename the HD in Finder. Every ...
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2answers
3k views

exFat Hard Drive not showing up on mac OS X 10.7.5

I formatted a 1TB Seagate USB 3.0 hard drive as ExFat to be used on both a MacBook and a Windows PC. The formatting was done on Windows and there isn't any issue when I access it through Windows. I ...
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2answers
1k 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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2answers
538 views

Disk Utility can't repair external hard drive, tried fsck whats the next step?

When I try and repair my external hard drives (I have two corrupt now some how both I think from improperly ejecting from the same machine), I get this message: Disk Utility can’t repair this ...
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4answers
632 views

How can I automatically have my Trash emptied when disk space gets below a certain point?

Sometimes my hard drive gets low on space, and various things don't work properly until I empty the Trash and free up some space. I know there are applications that empty the Trash after a set ...
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8answers
17k views

Time Machine ridiculously slow after El Capitan upgrade

I recently updated to El Capitan, and told Time Machine to backup. It got stuck on Preparing Backup for hours, so I stopped it, deleted the InProgress file, rebooted and tried again. After ~30 mins, ...
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2answers
95 views

Seagate is not allowing me to make partition on MS-DOS (FAT) Or ExFAT!

I just bought an external hard drive (Seagate Backup Plus Slim 2 TB) for my Mac (Yosemite installed) for professional photography. I wanted to make partitions for both Mac and Windows, but it only ...
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1answer
34 views

MacBook Pro Hard drive crashed

I have a 2009 MacBook Pro 15". I woke up one day, but my Mac didn't. I was getting nothing but a blank screen so I tried to shut it down a reboot it. Now it won't boot up.. I get the white screen as ...
3
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1answer
43 views

MacBook Pro mid 2012 13.3 HDD cable performance

I am helping a friend to fix her MacBook Pro 13.3 performance problems. It was barely booting, and terribly slow for disk seeks. Then I replaced the HDD. It was perfect with new SSD and El Capitan ...
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0answers
44 views

Blinking “forbidden” and “question mark folder” symbol. SATA cable is the problem?

A couple days ago my macbook pro mid 2012 was running perfectly, with a SSD drive that I,ve installed about a hear ago (I also updated my ram up to 8 gb). The day after that I turned on my computer ...
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1answer
74 views

USB external harddrive not being recognised

My WD 2 TB hard drive has suddenly stopped being recognized by my MacBook Pro, running OS X 10.11.3, but it's working on my ThinkPad, running Windows 7 and Linux Mint. The solution I found was to ...
0
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0answers
111 views

Revert Apple CoreStorage volume back to Apple HFS

I have a computer that is encrypted with Symantec PGPWDE. A scripting error occurred when trying to decrypt the system and remove PGP and convert the disk to CoreStorage to prepare for using file ...
45
votes
7answers
143k views

Is it safe to delete ~/Library/Caches?

Is it safe to delete the file Caches, in the Library of the Mac OS X Hard Drive? It's a pretty big file, 3.56 GB, Caches reminds me of logs i don't need or browser cookies. Is it safe to delete the ...
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0answers
22 views

iMac partition grid screwed. Please help?

So yeah i guess i screwed up my iMac 5k retina's (late 2014) partition grid big time and i need your help. It all started yesterday when i tried to format my computer. I'm selling it tomorrow, that's ...
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votes
3answers
7k views

Clean install of Yosemite problem

Hopefully someone can help me. I've tried so many options. I purchased a used MacBook Pro, late 2011 model. The person I purchased it from said he wiped the hard drive, but when I got home, it seems ...
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2answers
151 views

I updated to 10.11.4 (15E65) and now I suddenly have 100 more GBs of space free?

What could be the cause of this? The only thing I can think of would be mobile Time Machine backups, but I have no idea.
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1answer
324 views

Unmounted hard drive times out ejecting or mounting

I have a Drobo connected via Firewire to my MBP which is causing me some issues. Here is the diskutil info: Device Identifier: disk2s2 Device Node: /dev/disk2s2 Whole: ...
2
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1answer
23k views

External Seagate Hard drive for Mac - Compatibility

I am looking to purchase a Seagate External Hard Drive for my MacBook Air. The products claims it works only with PC (windows), however, I have read multiple places that I can just format the drive ...
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0answers
65 views

El Capitan keeps creating new mountpoints for external drive

I am new to Mac, I used Linux before and I am experiencing troubles with my external HDD (NTFS formatted). I used osxfuse to mount it as read write (via ntfs-3g) - I used tutorial from this site So,...
3
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1answer
137 views

Cannot reformat external drive with no file system

This whole mess started with trying to encrypt Time Machine backups. I have a 4TB Lacie P9230 external drive which has been working for about a year just fine. The drive has been partitioned into two ...
4
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1answer
89 views

Recover deleted files from MacBook Retina's SSD

I need to recover deleted files from my MacBook Retina. The files were deleted by an app update and didn't make it into the Trash. Is it possible to recover files from an SSD? I have used programs ...
9
votes
10answers
14k views

What is the benefit of using flash memory in the Macbook Air?

I don't understand why Apple does not use SSD drives in the Macbook Air like some other manufacturers to (e.g. Asus, Samsung). The technical specifications of the Macbook Air on Apple's website never ...
2
votes
1answer
33 views

Error while unpartitioning hard drive?

I've tried to install Ubuntu (and gave up), but now there's a stuck partition, of 24.22 gigabytes. The pink shows the partition. I want to unpartition it, but when I try to delete it, an error ...
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votes
2answers
118 views

When Mac OS freezes is it ok to hard shutdown?

I have a MacBook Pro Retina, so it has an SSD but no HDD. I use Dr. Cleaner and I've often noticed that when 99% of the app memory is being used, the OS X El Capitan freezes. At this point of time, ...
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votes
2answers
4k views

How to write fstab rules for an NTFS volume if the volume has no LABEL or UUID?

Basically, I was following this tutorial to enable writing to an NTFS Volume (which works when the Volume has a LABEL or UUID). I have an external USB drive with an NTFS volume that doesn't seem to ...
28
votes
3answers
32k views

How do I get detailed SMART disk information on OS X (Mavericks or later)

I'm trying to get a detailed SMART status report on the drives in my Mac. I'm not talking about "Verified," I'm talking about the detailed report that's about 100 lines long listing all the vital ...
2
votes
1answer
78 views

Windows using Bootcamp won't read any USB memory sticks

I just installed Windows 10 on my MacBook (Early 2015, OSX El Capitan 10.11.2), and after everything set up I tried to plug in my External Hard Drive. I made sure this HD would and does work in ...
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2answers
167 views

Is there any way (software) to defrag NTFS on Mac?

I have a lot of external hard disk drives, mainly formatted in NTFS since I have both Windows and Mac. I know iDefrag, but it only works with HFS hard drives and I was wondering if there are any ...
0
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2answers
61 views

MacBook Pro not booting from hard drive

I got a MacBook Pro that has a problem booting, or even seeing the hard drive. I have used the recovery console to install OS X onto a USB drive and have booted into that and can't actually see the ...
0
votes
4answers
18k views

Can't write on external HDD after upgrading to OS X El Capitan

I am using a LaCie external hard disk in my MacBookPro for 3 years. After having updated to OS X El Capitan, I am no longer able to write on the HDD and I have read-only privileges. Info shows that ...
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0answers
31 views

Large Library/Containers directory

The directory ~/Library/Containers has size 39GB on my system. This is huge. I guess that the directory contains some files created by running various apps. So the more applications I use, the more is ...
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1answer
69 views

How to exclude everything from TimeMachine backup except one folder

TimeMachine backs up all my mac and also if I have external hard drives will back them up too. My goal is to add some general exclusion list that basically stops it from backup my mac and ONLY want ...
1
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1answer
152 views

Disable the disk check when reconnecting an improperly disconnected disk to OS X

If you disconnect a removable drive without ejecting it first, the next time you connect it, Windows or Mac run an fsck check on the disk to ensure data integrity. Windows will ask if you want to ...
2
votes
1answer
90 views

Is the hard disk of a late 2015 27" iMac 5k still replaceable?

I'm getting different information from the web vs. Gravis. I'd like to know if the HDD of a late 2015 iMac 27" model can still be replaced. According to Gravis it's soldered. My idea was to get a ...
2
votes
1answer
239 views

Macbook freezes (keyboard, mouse, audio not working) with external hard drive

I've installed some apps on external hard drive, as I don't have enough space on my macbook's drive. Sadly macbook behaves really weirdly few times a day. Basically it freezes completely (although ...
0
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0answers
34 views

Mac OSX installed in 2 Hard Disks. Want to Remove applications and OS from one

I have a 13" Macbook Pro (Mid 2012) (El Capitan). Recently, I replaced my Optical Drive with a Samsung 250GB SSD. After some days, when I booted up my Mac, it showed white screen and quick google ...
0
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1answer
74 views

osx corrupts usb (exFAT) on restart

So I have this problem with OS X, when I restart my system and it has the USB drive connected (I forgot to unplug it because I know what OS X causes), it corrupts the drive (i.e., on next restart it ...
0
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0answers
38 views

System Crash with El Capitan

My Mac, which stays powered up 24/7 just crashed. I recently installed a second ssd in it, so I'd like to know whether the following is related with the disk. Thanks. Sat Mar 12 01:28:06 2016 *** ...
0
votes
1answer
121 views

Invalid Node Structure – Broken File system? Data Recovery!

So, the other day I opened up my MBP 2011 (on El Cap) and found it's battery to be drained. Plugged it in and booted it up and got a flashing folder with a question mark thrown in my face. It stood ...
0
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0answers
60 views

SSD reporting SMART failure on Wear Leveling Count - but investigation seems like it is within threshold

I have owned this MBP for about 1 year 6 months, and for the past 8-9 months or so it has been telling me the start up disk has critical errors and that i need to replace it. I have ignored these ...
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2answers
110 views

Running a Windows VM from external flash drive

I'm using a MacBook Pro Retina 15" with only 256 GB SSD storage, however, for my new job I need to be able to run Windows on it. I'll need to install Visual Studio and some other tools on the Windows ...
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2answers
113 views

MacBook Pro mid-2010- water damaged - but it still plays the chime?

Hey guys it's been a week since my MacBook Pro had water leaked into it, I'm pretty sure something is wrong :( But now when I try to boot it up I hear the startup chime, what does this mean? Should I ...
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1answer
653 views

fsck -fy hangs on Checking catalog file + issues booting (MacBook)

Last night my MacBook Pro crashed. This morning I tried turning the computer on, and it had a few issues.. Computer doesn't get past initial boot up loading. Fan activates loudly while starting up. ...
0
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1answer
11 views

I've added a second HD into my Macbook 2011 instead of CD-ROM. Is it safe to encrypt it using Finder?

Years ago I changed my cdrom in my Macbook for a second hard drive, and have been using a SSD as a first drive ever since. This HD is shown in Finder, and, clicking on it with two fingers, there's an ...
5
votes
2answers
182 views

Encrypt External Hard Drive for Mac and Linux

I have an external hard drive that I backup with Time Machine. I'm trying to determine the best way (or if it's even possible) to encrypt it so that Time Machine can still back it up and it can be ...
2
votes
2answers
636 views

3 Terabyte hard drives in Mac Pro Mid 2010?

I got the Mid 2010 Single CPU Mac Pro and want to add a 3 TB hard drive, specifically the Western Digital Caviar Green WD30EZRX. Does anyone know if that drive will work? Not looking to boot from it, ...