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

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How to fix Mountain Lion deadly crashes

Over the last 3 months, after I bought my first Mac Mini, which came installed with mountain Lion, I've had to reinstall the OS over 10 times now. Here's a list of steps of what happens: I turn it ...
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138 views

Monitor Console.app for a string and notify when found

Is it possible to monitor all messages in Console.app for a string and then notify the user when this string occurs? I have the problem that I'm getting disk I/O errors and I suspect that it's not a ...
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3k views

How to pinpoint cause of disk I/O errors

I am getting (seemingly random) disk I/O errors on my bootdrive. At first I thought it was caused by a faulty hard drive, but now I've replaced it and I still get those errors. These are the steps I ...
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2answers
2k views

Why is it important to keep lots of freespace on OSX? What is the impact?

I have a 500GB drive and have less than 50 GB free. Console is reporting several interesting errors saying I'm too low on space and it's cleaning up "stuff" 1/6/13 4:49:51.475 PM ...
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1answer
1k views

Macbook Pro - Not picking up Hard Drive

I had a problem when I turned on my Macbook Pro, I would just get a flashing "?" when I booted up. I decided to grab a recovery from another mac I have, I put this onto a memory stick and my laptop ...
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3answers
526 views

Airport Extreme: How to share a hard drive over the guest network?

I'm offering my Internet to somebody living in another apartment and used an Airport Express to extend my Airport Extreme signal. Since the Aiport Express only extends the "main" network, the other ...
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2answers
7k 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
717 views

Reformat old windows hard drive for use externally

I have an old 100 GB hard drive from a windows laptop that I would like to make use of as a portable, external hard drive. I ordered a cheap case on Amazon and it works fine. However, the disk is ...
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1answer
287 views

Open an encrypted HDD/USB on Leopard?

Is it possible to access an external HDD or USB drive encrypted on Lion, through a Mac running Leopard? In other words, is FileVault 2 encryption on volumes/partitions backwards compatible? (It ...
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1answer
218 views

RAID questions with ML

I'm looking to build a NAS box and putting ML on it. I currently have two drives that are configured as RAID one that I am pulling out of a NAS box. I have one drive that I'd like to add to the two ...
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1answer
1k views

My macbook pro hard drive seems to be corrupted, should I replace it?

I have a 2,26GHz mid-2009 macbook pro with 8Gb Ram and mountain lion (mac os x 10.8.2). Recently my computer doesn' t stop freezing and I have to force the computer to shut down. Then I ...
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MBP SSD upgrade - which settings to change?

After replacing the harddisk drive in MacBook Pro with a Solid State Disk I am wondering which settings I should change and how. Thinking of things that are supposed to protect the SSD like ...
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What happens when you remove (or lose) the SSD from a Fusion Drive?

After storing data on a Fusion Drive, is it possible to downgrade your Mac to use the hard drive (HDD) by just removing the solid state drive (SSD)? In particular, I was wondering what happens when ...
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1answer
648 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
3k views

Mac start up - Flashing Folder

Basically, tonight my mac crashed so I re-started and got a flashing folder. I have searched around online for the commands that I need to press when I first hear the chime to get into the disk ...
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492 views

For bad and/or marginal blocks on hard disks, can anything be more effective than a single pass of zeros?

There's a good discussion in Apple Support Communities – Disk Utility: for bad blocks on hard disks, are seven overwrites any more effective than a single pass of zeros? (2011-04-21) A highlight: ...
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421 views

External Harddrive is showing in System Information but not Disk Utility

My harddrive crashed last night and since then I have not been able to access it on my Macbook Pro. I've restarted both my computer and hardrive multiple times and I've experienced the same result. It ...
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1answer
739 views

Can't do anything with external hard drive, “.Trashes” is probably the boogyman

I bought an external Samsung hard drive today. But I'm not able to do anything with it. Here are the problems I'm having: I can't put anything on the hard drive. Finder gets stuck at 'preparing ...
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1answer
106 views

windows can't read my HDD installed in my dvd slot on MBP

I've swapped my dvd drive with an HDD drive on my MBP 2008 non-unibody. I can read it from MAC os but not from Windows. I did configure it to be PC compatible... Anyone knows why it's not seen as an ...
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1answer
220 views

How can I reconfigure the RAID settings on a Maxtor OneTouch III?

I have a 1TB Maxtor OneTouch III. This is the drive that comes with two 500GB disks and software to configure RAID 0 (mirroring) with 500GB of storage, or full use of both disks for 1TB of storage. ...
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2answers
3k views

Issues with installing SSD instead of DVD drive?

It is common to replace a MacBook Pro's hard disk drive (HDD) with an solid state drive (SSD), however, that may pose a threat to the HDD if installed in the optical bay instead of the SuperDrive.* ...
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2answers
4k views

MacBook SSD replacement — sudden motion shock sensor in optical bay?

When looking to upgrade a MacBook Pro with a solid state drive (SSD), one option is to: First, install the SSD instead of the spinning hard disk drive (HDD). Then, install the HDD instead of the ...
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2k 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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451 views

How to use a 3 TB hard drive on a MacBookPro7.1

I have bought this hard drive: Seagate ST3000DM which is a 3TB 3.5" hard drive. When I connect it via a USB2 docking station, here is what OS X sees: Disk Description : ST3000DM 001-9YN166 Media ...
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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
853 views

Two older Macs (G3 / Intel) need their drives erased. No install discs

I have two older Macs in which I want to erase the hard drive. Secure-erase is a plus, but not a show-stopper at this point. I don't have any Mac OS X discs so I can't use disc utility. What I'd ...
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6k views

MacBook Pro hard drive problems: Can it be hard drive cable?

My MacBook Pro 2009, (13inch, snow leopard), does not boot into OsX. I also have bootcamp windows, and I can boot into windows with no problem. I pressed the D key while starting and made a Apple ...
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237 views

Unable to create a DIY Fusion Drive using a 3 TB hard drive

I'm trying to make a Fusion Drive with a Samsung 830 256GB SSD and a 3 TB 3.5" HDD (connected via SATA to my late 2012 Mac mini). I'm able to create the Fusion Drive, but when I start to install ...
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3answers
283 views

Completely erased my Leopard machine from another computer, how do I install an OS on it?

I started up my computer in Target Disk Mode and erased it from a friends Mac thinking that I could then install Mountain Lion without installing Snow Leopard. Do I have any way of getting my machine ...
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2answers
3k views

External hard drive not indexed by Spolight on Mac OS X Mountain Lion

I recently bought a new hard drive and it is not indexed by Finder. I tried to get it re-indexed by following this tutorial: http://reviews.cnet.com/8301-13727_7-10330114-263.html and I even tried ...
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Checking for bad blocks without formatting

My Mac tends to pause every now then when preforming simple tasks such as right clicking, opening menus and typing (It actually just froze when I started typing this question.). I've read in a few ...
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3answers
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What is an SSD drive's negotiated link speed?

When I look at my Apple SSD TS256C (Toshiba) in the System Profiler on my MacBook Pro (Late 2011), I see: Link Speed: 6 Gigabit Negotiated Link Speed: 3 Gigabit Why is that? Does that mean ...
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1answer
1k views

What type of bracket to use for HDD/SSD in optical bay? (MCE vs. OWC)

Looking for a bracket/adapter/caddy for installing a HDD/SSD where the MacBook Pro SuperDrive used to be. There are two general types: 1) Minimalist open-type brackets (in the truest sense of the ...
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1answer
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Is it a good idea to seal off the optical drive bay after installing a second HDD?

When installing a HDD instead of the SuperDrive: Does the bracket, which holds the HDD, seal off the optical drive slot in the unibody? If not, it seems that debris and dust could get in. (I guess ...
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1answer
194 views

Booting internally from a harddrive that was used on a different Mac

I just bought a new Mac Mini 2012 and have just replaced the drive in it with an SSD from my old MBP. Now the Mac Mini wont boot anymore, showing a stop sign when I try (after holding alt to begin ...
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2answers
2k views

Can I use an HFS+ usb disk with encryption enabled with a Time Capsule (2TB is mine)

I have a 2TB Time Capsule (version 7.6.1) and I want to connect a USB disk formatted as HFS+ with encryption enabled (on MAC OS X Mountain Lion). When I connect it directly to my iMac, it asks for a ...
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How do I add icons to my menu bar?

I would like to know how I could add a USB eject button or battery power indicator to my menu bar on Mac OS X. I remember going into my Macintosh hard drive but I can't remember which folder to find ...
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How do I make the hard drive visible in the Finder?

On OS X Lion I don't see the hard drive in the Finder and I seem to have no permission to create a folder under / from terminal. I know I can do this if I activate the root user, but I need to be ...
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1answer
507 views

SSD adapter for optical drive

I'm going to add a SSD drive to my macbook pro. I'm wondering if the optical drive adapter can have any influence on the disk speed, taking it down from a SATA III to a SATA II or I.
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2answers
5k views

MacBook Mac OS X Install DVD not loading on new hard drive

I have a MacBook Pro 13 late 2008 for which I just replaced the HD with a WD Blue notebook 500GB, 5400rpm, model WDBABC5000ANC-NRSN. After replacing the HD, powered up the MBP, the screen displayed a ...
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1answer
302 views

Do SSDs need to be defragmented?

I'm not sure if solid state drives need defragmentation. Can anyone tell me if this requirement goes away with the new technology?
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1answer
54 views

How can I boot to Windows on my Mac?

I have a MacBook Pro that I installed Windows 8 on via Boot Camp. I've managed to boot to it, before, but since then I've made two new partitions on the disk, and I'm afraid it's messed things up ...
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1answer
824 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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284 views

Why do external hard drives stop working under very specific conditions?

I have a mid 2011 MacBook Pro 15" running Lion. I have seen this behavior across 3 different external hardrives, with varying manufacturers (2x Seagate, 1 Western Digital), different file system ...
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How to check if my HD is case sensitive or not?

How can I get information if my HD format is case sensitive or case insensitive? I want to make sure my Mac running Mountain Lion has a case sensitive file system.
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What terminal command or program can list an SSD's Power On Hours?

I'm looking to script using the unix shell the retrieval of SSD (and HDD) data that disk utility shows in the information window. I'm immediately interested in the Power On Hours and Power Cycle, ...
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1answer
2k views

Large difference in reported free disk space

I have a strange discrepancy in the amount of free disk space that's being reported. The finder says: My iStat Menus says: Which is the same as df -h reports: remco@Prosperpine ~ $ df -h ...
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1answer
297 views

Time Machine deleting backups from several months ago (but not the oldest)?

During its "Cleanup" phase, Time Machine has recently been deleting backups from several months ago—even though these aren't the oldest backups, and my backup drive isn't full. My backups go back to ...
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3answers
2k views

How can I find and edit my external hard-drive's .fseventsd folder?

While changing my 'file directory' preferences on Vuze, I accidentally created a folder in the .fseventsd-folder on my Seagate external hard-drive. I can't even find the .fseventsd-folder using ...
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103 views

ZEVO: anyone have access to a current road map?

I've recently installed ZEVO on my Mac Pro and I'm looking forward to what ZFS will provide with data integrity, pool management and drive handling. Wondering if there is a current road map?