0
votes
1answer
34 views

Erased hard drive, trying to Reinstall Lion OS X… HOW?

My mac wasn't loading past the boot screen (white, apple logo, spinning gear). So I CMND + R and went to disk utilities and ran Disk Repair. It could not repair. I tried everything. Even a an fsck ...
1
vote
1answer
19 views

Error: “The operation can’t be completed because one or more required items can’t be found. (Error code -43)”

I accidentally pulled an NTFS hard drive out of my Mac OSX Mavericks machine several times and realized that I accidentally created multiple entries of many different names in my /Volumes/ folder. Now ...
1
vote
2answers
46 views

My Mac died and I can't access iPhoto on my external hard drive

My Mac died. When I connect my external hard drive to my laptop I can't access my iPhoto – it says iPhoto won't open because it's a machine backup. Any ideas?
0
votes
0answers
19 views

“Use the purchases page to try again” error while installing mac on a raw harddrive

I want to install OSX Mavericks on a seagate internal raw hard drive. I downloaded "RecoveryDiskAssistant" and installed it on a USB drive. Before installing I made a partition for new harddisk, and I ...
1
vote
1answer
27 views

How To Change Default Installation location on Macbook?

I have an external drive, and to install a certain app I have to put it on the external drive due to lack of room on my hard drive. The application tells me i can change the default installation path ...
0
votes
0answers
26 views

Warning “disk full” while more than 100 GB space free in disk utility

Why does the system warn me for "startup disk full" while "disk utility" shows there are still more than 100 GB space free? The warning is in the form of a pop-up dialog. Not sure how many ...
0
votes
2answers
22 views

Usb drive is constantly active: why?

I recently bought a large USB drive and stored about 300GB of new data on it.1 I haven't changed anything on the drive, and I'm not reading any files right now. But the drive is active -- I hear the ...
0
votes
0answers
26 views

How to fix permissions with Repair Disk Permissions?

I just installed Xcode 5.1 and the latest round of updates. I followed that with a Repair Disk Permissions. For some reason, Apple installs its software with broken permissions. I then ran Repair ...
0
votes
0answers
11 views

How does having a full hard drive affect performance? [duplicate]

My OSX-using friends insist that having a hard drive that is nearly full (e.g. 90% full on a 250GB disk) causes performance problems. It seems to be a pretty common opinion amongst my (mostly ...
0
votes
1answer
18 views

Disk partition interrupted

So I was partitioning my macbook's hard disk so as to install addition operating system. But as disk utility was in the process of partitioning, I closed the disk partition (for a reason) thinking ...
0
votes
1answer
28 views

Partition Format on Mac

Mac newbie here. I need to have a case sensitive file system. I am planning to create a separate data partition for that. 100GB (Mac/home directory) + 151GB (data partition). I have a habit of making ...
1
vote
2answers
46 views

Broken hard drive or operating system

My MacBook Pro froze today. When the system is restarted, it goes directly to the OS X Utilities window. None of the alternatives seem to work. I don't have a Time Machine backup, so there is no use ...
0
votes
1answer
26 views

My hard drive doesn't work but Bootcamp work

For two days my mac is "dead", the hard drive crashed, so I reformat (twice). Then via the Recovery I wanted to reinstall Mavericks but at the end of the proceedings it appears to me there remains ...
3
votes
1answer
99 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
0answers
60 views

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 ...
2
votes
0answers
17 views

Is it possible to rename a logical volume group that's currently in use with bootable partitions that contain data?

I need to know if it's possible to accomplish this: http://apple.stackexchange.com/a/90821 but without having to wipe the drive. I added a new partition and installed another instance of OS X but ...
1
vote
0answers
40 views

Disk Utility Crashed whilst creating a Partition and I'm now missing hard drive space

Disk Utility Crashed whilst creating a Partition, and I now have ~100GB missing, which was the amount I had allocated to the new partition. The new partition didn't get created, and I now have 100GB ...
1
vote
1answer
5k views

Can I simply install a fresh OS X without a thumb drive?

I've always installed a new OS X install via a thumb drive. However, at that time, I only had a single hard drive. Now, I have two hard drives, but the question is: Do I still need a thumb drive now? ...
2
votes
0answers
41 views

Slow disk access time in fresh OS X installation

My apple-shipped disk on my frankenstein early 2011 MacBook Pro (with upgraded motherboard to 512MB GPU Memory) just gone bad and I have to replace it. I had replaced DVD drive with SSD with the old ...
1
vote
1answer
269 views

External USB3.0 4TB HDD is not recognized by Mac OS X

I've bought an external 4TB HDD. It is this this one. The problem is that my Macbook Air 11" 2013 (with Mac OS X 10.9.2) does not recognize it. The device is ok. I can use it from other computers ...
0
votes
2answers
64 views

how to create a 128MB HFS+ partition using diskutil

I have a ~ 500GB disk in my new Mac, and I would like to create a 128MB HFS+ (Journaled) partition using OS X, but when I tried to do this earlier today the smallest HFS+ partition I could create was ...
1
vote
1answer
64 views

Is it safe to delete heapdump.hprof.old?

I'm on a mac book air running OS X 10.9.2. I want to free up space. I see that a file called headdump.hprof.old is occupying a lot of space. Is it safe to delete it? What does it do?
0
votes
1answer
35 views

New Hard Drive Install Failure

I got a problem with my 2012 Mac Book Pro, I'm trying to install a new 750 Go Sata 3 with 7200 t/min WD Black in it. The problem is when i try to reinstall OSx Mountain Lion on it, it didn't find the ...
1
vote
1answer
29 views

How should I restore a backup of my user account from a .dmg?

I have on my external hard drive a .dmg which is a backup from when my internal hardrive was breaking. Fixing the (internal) hard drive I then went on to erase it. And reinstall OSX in the process it ...
4
votes
5answers
333 views

How to identify and fix files with corrupted / inaccessible disk blocks

I have a late 2011 Macbook Pro, running Mavericks 10.9.2. Its sole HDD is a 750GB drive, formatted with Bootcamp. It's still running reasonably well, but in running a defragment pass on it, I've ...
3
votes
1answer
32 views

How can I log OS X Server disk performance?

I know Activity Monitor exists to view disk i/o and other performance metrics. However, does Activity Monitor have the ability to log any of these metrics? If not, how can I log these metrics into a ...
0
votes
1answer
120 views

Replaced hard drive - trying to do a clean install of OS-X on 2011 Macbook Pro

I've seen plenty of how to's on how to upgrade if you have a working installation of OS-X, however I purchased this macbook used, it needed a hard drive and a keyboard. So I put a new hard drive in ...
0
votes
2answers
83 views

Apple infinite load. I/O error and even a new HD

My mac mini from the 2011 refused to boot. Apple logo and loading image forever.. I tried cmd+s: Went through all the steps from the applejack, tried fsck -fy, all semmed pok, Tried cmd+v: It ...
1
vote
0answers
81 views

Configuring SSD over-provisioning on Mac OSX

I'm in early investigation stages of adding a SSD drive to my MacPro. Fragmentation problems can lead to serious performance problems on an SSD. There are a couple answers to this problem: TRIM - ...
2
votes
2answers
1k 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 ...
0
votes
1answer
57 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
28 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. ...
1
vote
0answers
58 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 ...
0
votes
0answers
55 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 ...
1
vote
1answer
689 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 ...
1
vote
2answers
143 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 ...
1
vote
1answer
865 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 ...
0
votes
0answers
44 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
3answers
208 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 ...
2
votes
1answer
256 views

After enabling File Vault, OS X doesn't mount disk automatically anymore

I have an external 2 TB LaCie drive connected via FireWire 800 to my MacBook Pro (8,2 – early 2011 model), which runs OS X 10.8.5. It has one big partition which is a Time Machine target, and the ...
2
votes
2answers
76 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 ...
2
votes
1answer
121 views

Can't find backup files on Macintosh HD?

When opening the OS X System information it says I have 67 GB backups: But when I'm using Disk Inventory X to find large files on my Mac i can't find any backups files: I don't know anything ...
0
votes
1answer
45 views

Can you partition the HD of a G3 iMac for OS 9 and OS X?

I have an old Tangerine iMac G3 in nice condition, I installed a clean copy of OS 9 on it and I can run the "iMac Demo Summer 1998" interactive demo which is neat. I'd like to install OS X (Tiger) on ...
1
vote
1answer
50 views

Can OS X Combine Physical Disks

I have OSX Server 10.5.8 installed on a drive and I would like to combine 2 USB drives together to act as one drive. Is that possible?
0
votes
1answer
164 views

Parallels Desktop Minimum Hard Disk Space to allocate?

My current hard disk drive 256GB is already not enough for me. Therefore, I wish to reduce the allocation of my Parallels Desktop. I did the "Reclaim" to get 11GB back, but PD still occupies 63.6GB. ...
0
votes
0answers
56 views

Diagnose if corrupted volume is due to hardware problem

This morning when turning on a Mac laptop, it suddenly announced that an external backup disk (which was connected overnight) "can't be repaired". Disk Utility also says: Disk Utility can’t ...
5
votes
6answers
9k 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 ...
0
votes
1answer
67 views

Monitor disk activity per volume without third-party software

I have many disks/volumes connected to my OS X system. I want to monitor, in real-time, read/write speed for each volume. OS 10.9 activity monitor shows only the cumulative numbers for all volumes, ...
0
votes
1answer
86 views

Cannot boot Mac Mini with stripped RAID -fsck hangs

Today we coould not get one of our machines running. After several hours of doing the 'standard' tasks like fixing permissions etc. we hit a dead end. Here's what's going on: Machine starts, we can ...
2
votes
2answers
450 views

There is about 60GB of space being used on my HD that I cannot find

Am I just bad at math? OmniDiskSweep isn't picking up what is using my space. I recently deleted a 60GB drive (not partition) that VMWare Fusion was using, and emptied the trash. Now it doesn't show ...