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

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Mac Mini 2013 wakes immediately after sleep when USB drive plugged in

I have a 2013 mac mini running osx 10.9.3. I used to be able to send the machine to sleep by going to the apple in the menubar and choosing sleep. After a recent update, when I do this the displays ...
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2answers
903 views

Boot up error prohibitory sign flashing folder with question mark

3 weeks ago my hard drive failed so I bought a new one. (Macbook pro late 2011) 5 days ago, the new one flashed prohibitory sign, flashing folder with question mark. Every once in a while I could get ...
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369 views

Disable USB Write Caching by default

Is it possible to change OS X's USB filesystem mount behaviour to use the noasync flag to disable write caching? The aim here is to allow USB devices to be safely removed without eject or hdiutil ...
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1answer
235 views

Backup external hard drive to the cloud via Time Capsule

I'd like to move my photo directory to an external hard drive, but still have that hard drive backed up both locally and to the cloud. This wouldn't be a problem if I was using a desktop machine of ...
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1answer
321 views

What do I need to know to buy an SSD drive for a 2008 MacBook 5,1?

I'd like to buy an SSD drive for my MacBook aluminium (MacBook5,1 from 2008). What do I need to know to buy one which will work fine with it? I.e. years ago any IDE drive would fit any IDE slot, but ...
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1answer
652 views

Mac disk free space automatically decreases

I am running Snow Leopard (10.6.8) on MacBook Pro. A few days ago I found my free disk space is too low, so I tried to clean un-necessary files form disk myself and using some programs like ...
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1answer
326 views

Will FileVault reduce the power of my hybrid SSD+HDD?

I have a MacBook with a Momentus XT hybrid SSD+HDD drive. It have a 500GB HDD plus 4GB SSD which, as I could check, it uses as a cache for read operations. It uses some kind of black magic to ...
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3answers
797 views

Should I Move The Swap Location For My Mac From The SSD To The Larger HDD In My Laptop?

Should I move the swap location for my Mac from the SSD to the larger HDD in my laptop? Background information: I've heard some suggestions in the general PC/Windows world that if you have an SSD for ...
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0answers
884 views

Can I enable AHCI mode of the SATA controller when booting to Windows on a MacBook with Nvidia chipset?

Is there a way to enable AHCI mode under Windows on a Macbook5,2 (white) on N-Force 730i chipset? If you want to just say 'no', please put it in the comments instead. Thanks. Advanced Host Controller ...
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2answers
350 views

How to comprehensively benchmark SSDs on OS X?

I want to benchmark my SSD under different circumstances. Connected through USB3, Thunderbolt and internally (S-ATA). Unfortunately I can only find benchmarks which concentrate on measuring read and ...
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4answers
2k views

“Not enough space” on partitioning?

I have a 320GB harddrive with 95GB free. I boot to a 10.5 disk, open disk utility, and add a 40GB partition. Halfway through the progress bar, though, it tells me that there's not enough space. I'm ...
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4answers
5k views

What hard drive is used for the 500 GB Macbook Pro option from Apple?

I'm looking to replace my Macbook Pro 13" hard drive. I tried upgrading to a Seagate Momentus XT 500 GB, but returned the drive because it caused the palm rest to vibrate when pressed (I installed ...
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1answer
585 views

Moving file between disks in Mac OS X?

Is there any way so when I drag and drop a file from one disk(A) to another disk(B) the files are moved instead of copied? I have a mac book pro and a mac pro(old cool one) and when I drag and drop ...
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3answers
226 views

An endless supply of 1's for securely overwriting and erasing a disk

I vaguely remember hearing about disk wiping, and that you have to flood the disk with zeros, flood it with ones, flood it with random data, and repeat this quite a few times. This is just a general ...
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3answers
223 views

How do I get an operating system onto a new hard drive?

I will be installing a new 500GB hard drive in my macbook. It is a late 2008, aluminum, 13-inch screen. Once I install it, how do I get an operating system that's 10.7 or newer (downloaded from the ...
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5answers
400 views

Chances of getting my harddrive recovered

I accidentally placed a magnetic mount antenna near my hard drive while my computer was running. It then made horrible noises, and stopped working, and everything froze. Now, every time I start my ...
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4answers
52k views

MacBook Air: What taking up all my hard drive space [duplicate]

I have a 128gb MacBook Air running Lion. I am constantly having issues with disc space, but have no idea what is consuming it all. When I look at the disc utility break down, it says about 80% of the ...
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4answers
7k views

What can I do to check the integrity of the hard drive and all its files, to see if they are corrupt or not?

Recently there has been some files disappearing (in iTunes), and I'm not so sure of the extent of this problem yet. Perhaps it may have been an iTunes upgrade bug, but I'm not so sure. What can I do ...
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2answers
1k views

Hard drive read only access with Mac

I have an external usb hard drive that I used to connect on my old PC laptop. There are some files I created with the laptop on this hard drive. Now, I can only read those files with my Mac notebook ...
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2answers
2k views

“Winclone has been discontinued”. Now what?

I just replaced my old 320Gb HHD on my MBP with a 240Gb SSD and I did not wanted to transfer the hole drive as it would not fit, as I have more than 60Gb of music and 110Gb of Photos and HD Videos. ...
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2answers
2k 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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2answers
26k views

Blinking question mark on folder on boot

I am attempting to boot up my 2009 MacBook Pro, but when it starts it immediately shows a white screen with a 'question mark folder' — it keeps blinking until the computer shuts down (unless I keep it ...
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2answers
2k views

If I take the hard drive out of my macBook Pro and put it in a non-apple laptop, will it boot?

I've just upgraded my (2011) macBook Pro to use an SSD. So I've now got an old hard drive laying around with OS X on it. I've also got an old HP laptop laying around. If I put the drive in the ...
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5answers
3k views

Attaching 3.5" desktop drive to MacBook SATA

I have a mid-2007 MacBook that, according to the Apple Store, has suffered some liquid damage and requires a new logic board to operate correctly, a ~$750 repair I've been told (would normally be ...
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3answers
10k views

How can I ensure TRIM is enabled when installing Yosemite onto an SSD drive?

Im going to update my mid 2010 13" MacBook Pro to an SSD drive (Samsund 840 250 GB). I am currently running Yosemite on my old HHD drive and was simply going to make a bootable USB with Yosemite on it ...
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2answers
2k views

Which format for external disk for performance?

I'm using OS X Mavericks and just got a new external hard disk. I don't need to share it with a PC (so no need for FAT) but I do want it to have better I/O performance. I'm a bit confused by the ...
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2answers
3k views

250GB of hidden space on macbook pro 13"

I have 250 GB of hidden space which I cannot track down. I've tried deleting it on Daisy Disk as an admin but I couldn't delete it. I don't know why it's happening but all I remember is using rEFIt ...
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2answers
518 views

How can I get my laptop's existing system onto a new replacement drive?

I'm planning to swap out my early 2011 MBP's drive for a larger capacity one. I'm running Mac OS 10.7.5. I have available a 1 TB external USB-connected drive that I'm using for Time Machine backups. ...
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2answers
2k views

How to copy all files with extension/filetype in terminal?

I want to copy all files in ~/Desktop with the extension .jpeg to my flash drive. How can I do this in the terminal?
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1answer
565 views

Does mounting a large disk image require a certain amount of free space on the internal drive?

I've got a bunch of Mac disk images (.dmg files) that are 100 GB or larger. I'm currently on an iMac with a few hundred gigabytes of free space, but I'm going to be moving to a Mac laptop with 128 GB ...
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1answer
72 views

How can I recover the key of an encrypted hard-drive?

I still have access to the disc, but I lost the piece of paper with the key. Can I somehow recover it? I already had a look into Keychain Access Utility, but I couldn’t find it.
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2k views

Is Other World Computing's 1.5TB Toshiba Aquarius laptop hard drive legit?

I have pretty high storage needs, which are constantly increasing. Fortunately, the largest drives available seem to be scaling with the amount of space I can occupy. The 1TB disk I currently have ...
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2answers
3k views

Is it true that any external hard drive made for the PC, can be used by a Mac running Lion?

It seems like Lion supports NTFS (by plugging in a USB Flash drive which is NTFS). So for hard drives such as the WD Passport or Toshiba 1TB, which are made for the PC (running Windows XP/Vista/7), ...
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2answers
1k views

16, 32, 64 GB iPhone / iPod touch: are there any negative effects of size?

I am debating between purchasing the 32 vs. 64 GB iPod touch. I would lean toward a smaller hard drive if there is an effect of size on speed or battery life. Aside from cost, are there any reasons ...
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2answers
6k views

Which SSD to choose for a white late 2009 macbook [closed]

Currently there are many reviews on SSDs, and different types of SSDs as well. What I would like to hear is what cost effective SSDs that exists that aslo has TRIM support and will work well with ...
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1answer
567 views

Restore OS after Harddrive upgrade

I planning to upgrade my 2010 MBP's Hadrdrive from 160GB to 500GB, I have alrerady lot of data on the existing disk, including Bootcamp partition. Could anyone suggest how to do I go ahead with ...
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3answers
478 views

Swapping existing hard drive into new laptop

I'm currently running 10.6.6 and my MBP has a nice and speedy SSD in it. My plan is to replace my current laptop with one of the new ones just announced today. Is it possible to simply take the SSD ...
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1answer
449 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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4answers
7k views

How to eject my external drive when my Mac refuses because of Spotlight?

I have plugged an external disk to my Mac. Now, I want to eject it. But my Mac stubbornly refuses and says that an application may be using the disk. I have not launched any app neither opened any ...
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3answers
691 views

“Other” just ate my hard drive [duplicate]

When I woke up his morning, I had >80 GB of free space on my hard drive. Over the last four hours, in which I wasn't even around, something filled my hard drive completely. I would attach a ...
2
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2answers
117 views

Monitor hard drive usage history?

On Mavericks, is there a way to know about hard drive use history? To be clear, I do not only want to know how much space I am using on my hard drive, but to have a history of the evolution of the ...
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2answers
225 views

Does it make sense to buy a compatible Mac external disk?

What is the advantage of buying a compatible Mac external disk? Using Tuxera NTFS I can have an external disk for both, the windows partition (or any windows machine) as well as for the Mac one. Does ...
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1answer
235 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 ...
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2answers
3k views

Should I stop using my Mac while the hard disk is being cloned?

As one of my backup solutions, I use an app (SuperDuper!, if it makes any difference) to make a clone of my Mac at the same time every evening. Sometimes I am still working at that time. What I want ...
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1answer
825 views

Time Machine - Is it backing up system files, preferences, etc?

Problem My iMac is one which falls under a hard disk replacement program due to a possibly faulty disk made by Seagate in 2010. Because of that I will be soon sending it off to Apple for the disk to ...
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3answers
15k views

MacBook Pro hard disk failure. How to recover and clean install?

I have a MacBook pro, 2009, 13 inch, Original Snow leopard OS. Recently, I was experiencing that my MacBook some times froze or restarted automatically! I didn't care, and one day it did not start! ...
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3answers
6k views

How does OSX assign disk numbers?

I have four drives inside my Mac Pro. Bay 1: /dev/disk1s3 Bay 2: /dev/disk0s2 Bay 3: /dev/disk2s2 (also, my boot drive) Bay 4: /dev/disk3s2 and /dev/disk3s3 How are the disk numbers assigned? If ...
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2answers
16k views

MacBook Pro flashing question mark but I can't repair because hard disk not found in disk utility

Today my MacBook showed up some wheel of death and I waited and waited and then after a long time (10 minutes) decide to force shutdown. Ok, I know its not a good idea but I've done this before and ...
2
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2answers
321 views

Exact clone of HD

I managed to broke something on my iMac's internal HD. I have now done a successful restore using DiskDrill, but just in case I want to make an exact copy of the internal HD. Not just some partition, ...
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3answers
5k views

How to fix “512 bytes per sector” to “4096 bytes per sector” for an “Advanced Format” 4K sector USB hard drive?

Mac OS X 10.7.4 has a Sharkoon Quickdeck Pro USB enclosure attached. That USB enclosure contains a 4TB Advanced Format hard drive which has 4096 bytes (4K) sector size. The drive is GPT/GUID ...