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

learn more… | top users | synonyms (3)

1
vote
0answers
64 views

What to do if repairing one disk made the other unrecognized?

Originally I had two drives, an HDD and an SSD (my boot drive). The HDD had a 100gb partition on it that used to have windows installed on it, but that partition got locked and became unusable. When I ...
2
votes
3answers
2k 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 ...
0
votes
1answer
442 views

How can I use an external hard drive as a secondary internal hard drive on OS X

So I have a 2011 iMac that has a 500 GB. Hard drive inside. I could not buy a new computer but I bought a 2 TB. external hard drive that I connected using firewire, since it is almost as fast as ...
1
vote
1answer
731 views

Internal Hard Drive Not Visible

I have an early 2009 MacBook running OSX 10.9. Last week, my hard drive crashed. I bought another and installed OS 10.9. Everything works. I do not, however, see the drive's icon on my desktop. ...
0
votes
1answer
5k views

I can't boot into Windows 7 on Boot Camp

I have a mid-2009 MBP. A couple of years ago I swapped out the optical drive for an SSD, made the original hard drive a Boot Camp partition and installed Windows 7 on it. It has been a brilliant "best ...
1
vote
0answers
252 views

Raid two external hard-drives with read/write support on Windows & OS X

I have a USB 3 HDD enclosure that currently has two 1TB drives in it. I am looking at buying another external USB 3 HDD drive (not an enclosure). I am currently running the external enclosure with the ...
1
vote
1answer
61 views

“disk full” error — quota disagrees with system information

When I try to download anything or create/save new files, it fails saying "Disk full". Entering quota in terminal tells me around 417600 blocks have been used out of 512000. However, going to About ...
1
vote
0answers
165 views

Does free disk space actually help mac performance?

Anyone will tell you that freeing disk space will make your mac faster - specially noticeable if your disk is almost full. I don't know if that's true. Is it? And why, exactly? I just don't see how ...
0
votes
0answers
3k views

Reclaim unallocated disk space on macbook pro?

I had portioned my hard drive into two (mac and Windows). Later I portioned the primary (mac) into two but figure my Windows were not loading so I changed it back into one. The problem is there is ...
3
votes
1answer
574 views

Is there a way to change order of physical disks in Corestorage

I upgraded existing system to a "Fusion drive" - corestorage volume - consisting of existing 300GB HDD and new 120GB SSD. Instead of creating a new corestorage drive I went with the route of ...
10
votes
5answers
63k views

Unable to format / erase hard drive

I have an external HD that died on me a while ago and I'm trying to see if I can format / erase it to start using it again. The disk does not show up in Finder but I can see it in Disk Utility. When ...
2
votes
2answers
312 views

How to restore a deleted HFS+ partition table?

I have an external 2TB hard drive with one HFS+ partition, and accidentally dd'ed over the first ~500 MB of it. I have carelessly placed some new partitions in an attempt to repair it, because I had ...
0
votes
1answer
2k views

Disk Utility reports “missing thread record” on my external HDD

I have an external 500 GB HDD that's about five years old. I just turned it on and it made a bunch of clicking noises and failed to spin up immediately, though it did so after a few seconds. To be ...
1
vote
1answer
3k views

Can't mount primary HD, Disk Utility shows Invalid Node Tree Size

There are similar lines of questioning in the forum, but few valid responses. Apologies for reposting. I've searched for hours on end... I'm a tech consultant (software, not hw) helping my relative ...
5
votes
5answers
25k views

How to set VirtualBox in order to access external hard drives in guest Win7?

I have installed VirtualBox in order to use Windows 7 as guest on a Macbook Air running Mavericks (mainly to be able to use a printer that has no drivers for Mac). Also, I have installed the ...
1
vote
0answers
116 views

Hard Drive Scraping Noise and the Flashing Inquisitive Folder

Hey I'm having the flashing question mark folder issue. My hard drive is also making this noise like tschhh, tschhh, tschhh, tschhh. Holding option does nothing, it just makes it load to a grey ...
0
votes
1answer
469 views

Adding a photo directly to iPhone disk

I tried to add a picture in the folder /User/Media/DCIM/100APPLE/ (the same as /private/var/mobile/DCIM/100APPLE/), but it doesn't show up in the Camera Roll. How can we make it appear? It's an ...
0
votes
2answers
743 views

Backing up OSX and bootcamp for a new drive

I'm getting a new larger size SSD for my MBP and I want to transfer my existing OSX and bootcamp partitions onto it... In preperation, iI've used bootable USB CloneZilla to clone everything onto an ...
8
votes
1answer
4k views

Extremely slow write speed to encrypted external drive on Mavericks

Writing to a fully encrypted USB flash drive on Mavericks is extremely slow. The drive model I used for testing was a Kingston DataTraveler Ultimate 3.0 G3 (64 GB). I tested transfer speeds by ...
2
votes
3answers
1k views

Is my Mac Mini HDD about to fail?

I carried my Mac Mini while traveling a few times, once to a different country and couple of times to different cities. I once noticed the hard disk inside makes noise like its about to fail. But the ...
1
vote
1answer
7k views

Mid-2012 MacBook Pro hard drive failure (maybe? not really.)

Mid 2012 MBP with OEM hard drive. I booted it this morning to a flashing question mark folder. I happened to have an external drive with OSX on it, booted to that external drive just fine. I opened ...
0
votes
1answer
103 views

Big boo boo on reinstalling OS X Lion. Help!

I have OS X Lion and erased the hard drive to prepare and install Maverick. Can you hear the violin playing? Here are the issues: My hardrive (Toshiba 750G) resized down to its branch hardrive ...
2
votes
2answers
1k views

Repair or reinstall Mac partition

I have a hard drive that is having problems on a Mac that doesn't use Time Machine or another complete backup system. I get this error when trying to repair the disk: Error: Disk Utility can’t ...
6
votes
1answer
7k views

Can I have two Time Machine partitions on one hard disk drive?

I know that someone can use a partition on a hard disk drive for Time Machine, but is it possible to specify more than one partition on a single drive for this purpose? The scenario: My partner and ...
7
votes
3answers
6k views

Is there anyway to expand my MacBook Air's hard disk?

I have a 2011 MacBook Air(11-inch), I am using OS X 10.9, but I only have 64GB Flash Storage, and I want to expand the storage of MacBook Air's hard disk. I asked geniuses at Apple and they told me ...
5
votes
1answer
1k views

External Hard disk 500 GB free but can't copy 8 GB data

I have WD external hard disk, which was working fine. Its MS-DOS formatted. I have downloaded a file in .mkv, which works fine, and isn't corrupted. Upon copying the 8 gb file, it says "The file is ...
1
vote
2answers
712 views

How do I remount USB Flash Drive or SD card?

I noticed that I could remount my USB hard drive through terminal after I eject it by typing diskutil list to find the drive and diskutil mountDisk /dev/disk"X"... So I tried to do the same with my ...
1
vote
1answer
48 views

Size of my Cd-Rom (SATA)

I have a macbookPro 15'' mid 2009 and I want know which size is my cd-rom (SATA)because I have to buy this "component" where can I find this information ? My Cd-Rom is 9,5mm - SATA/SATA ?
1
vote
2answers
57 views

Replacing DVD with SSD - What is the best way to test SSD reliability?

There have been some reports of specific SSD versions/speeds not working appropriately in specific MacBooks. Depending for example on SATA chipset etc. (e.g. saga-3 drives in old early 2011 MBP?). ...
3
votes
2answers
4k 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 ...
3
votes
1answer
13k views

Will 'Internet Recovery' necessarily erase my hard drive?

My Mac is booting to the 'question mark' folder. I option-booted to 'Internet Recovery'. Before I proceed, I would like to know: Will 'Internet Recovery' necessarily erase my hard drive? Can anyone ...
8
votes
4answers
13k views

9GB com.apple.coresymbolicationd file in Caches

I'm trying to free up disk space, and I came across this: I've read reports of a 600M file, or a 1GB file but never something like this. Is it safe to delete or does rebooting frequently help ...
3
votes
5answers
6k views

How to delete partition disk0s4?

A while ago, I dual booted with ubuntu linux and followed a tutorial on youtube to do so, but later I wanted all of my hard drive to be for osx, so I deleted the ubuntu partition, but now I am left ...
5
votes
5answers
43k views

What is filling up my hard drive so fast?

Last night (Because my hard drive was almost full) I freed about 4GB. Then I came back to my Macbook about 3hrs later (I left it idle) and Its was full again. Is something is eating my mac? If I go ...
0
votes
0answers
439 views

Why does the diskutil shows I have two local hard drives?

I was trying to get my NTFS drive to work today and I discovered that the diskutil thinks I have two local hard drive. This phenomenon is not occurred on my Macbook Pro. Do anyone know why? Here is ...
4
votes
4answers
19k views

Writing to an NTFS volume is disabled on 10.9.2?

Hi I recently upgraded to 10.9.2 and I cannot write to NTFS anymore - in fact I cannot mount NTFS anymore unless I removed the the lines that allow me to write NTFS in the past in /etc/fstab... I ...
1
vote
4answers
1k views

MacBook Pro updating to SSD

I have a 15-inch, Late 2011 macbook pro, i mainly use for programming, and occasionally watch a movie or two. Its getting a bit sluggish, and i reckon its time to update the HD to a SSD one. So my ...
1
vote
2answers
108 views

RAID 0 and 1 combo?

If I understand correctly, RAID 1 is two drive that mirror each other, and if one fails, it can be replaced and some hours later, it's a mirror of the good drive. Raid 0 combines 2 drives in a way ...
0
votes
0answers
320 views

Migration issue - duplicate user account

I've got a situation that I don't know how to resolve. I've had a Mac setup and all worked fine. I've bought an SSD drive, installed Mavericks and used the migration assistant to move all the stuff ...
1
vote
0answers
55 views

What should I do to restore my computer's hard drive to how it was before I partitioned it? (and do I need to?)

For a few months, I used the hard drive on my iMac to do Time Machine backups for my MacBook until I got a Time Capsule. Since Time Machine refused to back up directly to the iMac's HD, I partitioned ...
1
vote
2answers
104 views

Hard drive backup issue in Mavericks

My hard drive had some bad sectors recently, so I backed up, re-formatted, and clean installed Mavericks. Everything seemed to work fine until couple days ago when I tried to look at some photos I ...
1
vote
3answers
3k views

How can I wipe a disk from a Mac with firmware password set?

I'm in a somewhat odd situation: I need to wipe the disk of a MBP, but I can't boot into Recovery Mode/from a CD/etc. as there is a firmware password set. Is there a way to wipe the disk from within ...
6
votes
2answers
3k views

Encrypted external drive usually prompts for password, despite being in keychain

I have an external encrypted drive, and almost every time I plug it in, it'll ask me for the password, even though it's already in my keychain. If I type the password in, it'll mount as expected. ...
0
votes
4answers
2k views

Reformat / resize an external hard drive removed from a NAS

I have a 3TB hard drive that I removed from a NAS that is only showing as 800MB on my Mac. Have tried Disk Utility (and terminal diskutil) but the hard drive keeps showing at the wrong size. ...
2
votes
2answers
4k views

How do I keep the Recovery HD and EFI partitions from automatically mounting on my MacBook Air?

I've set Finder preferences on my MacBook Air running OS X 10.9.1 to show everything on my desktop: I've noticed that storage partitions called Recovery HD and EFI appear there: What are they? ...
1
vote
1answer
286 views

How do I stop my external hard drive from using all my RAM?

I'm running OSX Mavericks, and have an external 500Gb HD connected via firewire. I have 24GB's of RAM, and fairly often my RAM usage will spike to 23.95 GBs in use and literally leave me with only 50 ...
1
vote
1answer
401 views

Videos/Movies filling up my HDD

Am a bit of an adrenaline junkie and have 2 GoPros that I use to create movies with in iMovie. At the moment I can't seem to make any as my startup disk is full of 575 gb of Movie data, despite ...
1
vote
1answer
42 views

What does it mean when Repair Disk takes just a few seconds to complete?

I have the flashing finder icon problem. When I boot from DVD, I cannot choose the disk as Startup Disk. However, it appears in Disk Utility. When I run Repair Disk I can see the disk, and that it has ...
0
votes
0answers
70 views

iMac14,1 disc: 3Gb/s or 6Gb/s?

Does anyone have an iMac14,1 with the following disc? ST1000LM024 HN-M101MBB This is a 5400 RPM Sata-II interface drive. I am curious regarding it, as I went in to the Apple Store to see what the ...
1
vote
1answer
134 views

Time Machine: Mobile incremental Backup

Imagine I do backups using Time Machine at home just like everybody else. But as I travel often and of course also work on the road I also need to have a mobile backup solution. I thought about the ...