1
vote
0answers
88 views

Finder not able to view folders and files on EHD after updating to OS X 10.9.4

I can see still see 'Hitachi' in the 'Devices' Sidebar, but I am not able to view folders and files on this Hitachi XL2000 2TB FAT32 Hard Drive (EHD) that is USB connected to the iMac below. Late ...
0
votes
2answers
32 views

.mov file in external HD, grayed out and won't open: “this item is already used by Mac OS X”

The file won't open, with QuickTime, with the following error message: Selecting repair disk on disk utility results in this: I'm under OSX 10.7.5.
1
vote
1answer
56 views

using external hdd slows down my mac

When I use an external drive via usb, my computer really slows down giving me no choice except reboot. I watched memory usage with activity monitor. Free memory decreases by time and inactive memory ...
1
vote
0answers
43 views

Can't format USB Key

I've got an issue with my USB key, I can't write on it, nor format it... Here's what the erase option of Disk Utility outputs: Here's the Verify/Repair output: Verifying volume “NO NAME”Checking ...
1
vote
0answers
39 views

iTunes library on usb drive connected to NAS not recognized anymore

I have my iTunes library on an external usb drive. I have no problem accessing it when it is plugged directly to my mac. I've recently bought a NAS device which allows me to connect a usb drive to it ...
1
vote
0answers
61 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 ...
3
votes
1answer
76 views

Why do external drives spin up for webpage rendering?

I recently went to some webpage in Chrome and noticed that my external harddrive had to spin up before the page would render. Does anybody know why OSX does this? I've noticed it in a few other ...
2
votes
1answer
70 views

Install 10.8 on an external drive from 10.9 [duplicate]

I have OS X v10.9. I downloaded v10.8 installer from the AppStore in order to install it on an external drive. However, when launching the installer it says that it can't be installed on this computer ...
1
vote
1answer
53 views

External Drive doesn't want to live in sidebar

I have a remote hard drive (afp/smb) that won't live in the finder sidebar. Actually I have two, and one simply will not live in the finder sidebar. Everything else seems to function normally, ...
1
vote
1answer
80 views

Need to install SL on Mavericks external drive

I have a 2012 iMac 21" with the latest Mavericks. I also have a need for a bootable Snow Leopard external drive so I can run Boot Camp with XP. I purchased a Snow Leopard Retail install disk only to ...
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 ...
0
votes
1answer
1k views

How to run programs from an external hard drive on MacBook Pro?

I need to know how to install and run applications from an external hard drive on my MacBook Pro.
2
votes
1answer
143 views

how to write to a windows formatted disk from OSx?

I have 4 external hard disk formatted on windows in NTFS, but they are lying unused since I bought mac, so I am looking forward somehow I should be able to write to those disc without having to format ...
1
vote
0answers
23 views

Lacie Hard Drive converted itself to FDISK_partition from GUID_partition

I am running OS X 10.6.8 and my Lacie external hard drive converted itself from GUID_partition to FDISK_partition all by itself. How can I force the disk to mount just to get the files off of it? I ...
1
vote
1answer
619 views

Recover Deleted Files on Mac OSX [External NTFS]

I have accidentally deleted some files on my Mac OS X Mavericks. Actually, I was trying to burn an .img file to my flash drive which was located at /dev/disk1 (at the same time I had connected a NTFS ...
0
votes
0answers
16 views

Prevent mounting of a specific volume when connecting an external drive [duplicate]

I've got an external drive with 3 volumes on it. All of them are mounted upon connecting the external drive to my Mac. I want one of these 3 volumes to not be mounted when I connect it. Is that ...
7
votes
5answers
7k views

The volume can't be ejected because it's currently in use

After working with an external USB backup disk I want to cleanly unmount the drive. When pressing the 'eject' button Finder warns me with the message: "The volume can't be ejected because it's ...
0
votes
1answer
117 views

How do I stop OS X from treating an SuperDuper image on an external drive as part of my current installation?

Every night, I have SuperDuper! create an image of my hard drive to an external drive. This works great, and has saved me from system failures a number of times. However, OS X is constantly treating ...
1
vote
1answer
153 views

OSX 10.7.5 renaming attached Firewire drive

My Mini was running out of disk space, so I attached an external Firewire drive and moved all the Home directories (a bunch of users on a home machine) to it. I'm pretty sure that was done correctly, ...
1
vote
2answers
487 views

Can I make an OS X ESD (or other USB drive) read-only?

I have a USB Flash drive onto which I've used Disk Utility to restore the Mac OS X Install ESD: Is there a way I can make the result read-only, in order offer it at lease some semblance of ...
0
votes
1answer
4k views

Using a second HD and installing apps on external drive?

I am considering adding an extra drive to my Mac Mini (possibly a tower-size one like mentioned here) and keeping it permanently plugged-in, for extra space and to leave the main Macintosh HD for ...
0
votes
1answer
267 views

Mount a disk image as physical USB drive?

I have an certificate manager ("BankID") that allows me to export certificates from its certificate store. However, for some stupid reason it only allows me to export these certificates to USB drives, ...
1
vote
1answer
2k views

Can a VirtualBox Windows 7 virtual machine be installed on a USB hard disk?

My MacBook Air has only a 64G hard drive which is so small that I don't want to install virtual machines on it. I'm planning to buy a 1TB portable USB hard disk to run virtual machines. Has anyone ...
0
votes
0answers
58 views

Recreate unknown users on crashed mac

About a month back one of our Macs crashed and we had to restore it. The computer had an external drive connected to it and all the data is still there. Though some of the users are "missing". If we ...
1
vote
2answers
153 views

OS X installation on external HDD

I am planning to install a second OS X on an external HDD, I was wondering when I boot in external HDD will it in any ways affect my first OS X installation? Will it have the permissions to write or ...
1
vote
1answer
2k views

How to remove the use of master boot record from an external hard drive?

I have a 1TB external hard drive and I want to slice it into different partitions. When I try to do so, I get this error: can not modify external drive because it uses master boot record Is ...
0
votes
1answer
128 views

External hard drive problems

I've two external hard drives attached to my MBP Retina OSX Mountain Lion. Whenever I open the Finder or switch to a Finder window, if either of the hard drives are asleep, there's a several second ...
0
votes
0answers
1k views

The disk you inserted was not readable by this computer

I am getting a system message from Mac OS x 10.8.2 every time I power on my ICY DOCK RAID enclosure. I have followed the procedure in the manual to the letter. Installed two new 2TB HDDs > Changed ...
2
votes
2answers
1k views

Weird issues ejecting external hard drive

I have a 1TB Western Digital external hard drive that I use for Time Machine backups (and storage of a few other large files). Recently (since Mountain Lion, I think) I've been getting the following ...
0
votes
1answer
384 views

Can I fix this problem backing up Time Machine to an external HD via Airport Extreme?

I'm using a MacBook Pro and I decided to try using my WD Passport external HD wirelessly by connecting it to my Airport Extreme. I had previously used this external HD for storing things as well as ...
1
vote
1answer
946 views

Time machine error backup failed with error 11

I have a western digital 2TB hard disk (wd caviar green) connected through a unitek sata hdd docking station with my macbook air (10.8.2). When I try to backup with time machine, the backup fails ...
27
votes
6answers
11k views

How can I skip the Trash when deleting a file?

I frequently connect different external USB hard drives and flash drives to my computer and I would like to facilitate deleting files and regaining disk space from them. If I simply delete the file, ...
11
votes
1answer
5k views

How to view progress when encrypting a disk?

Mountain Lion allows one to encrypt any disk by right-clicking on the disk in the Finder and selecting Encrypt from the contextual menu. Is there anyway to check on the progress of this encryption ...
4
votes
1answer
2k views

Time Machine Backup freezing computer

Time Machine on my computer is trying to backup onto a external hard drive, but the only thing I get is the famous beach ball of death which makes my computer extremely slow. When I go to cosole.app ...
9
votes
3answers
13k views

What are the advantages of formatting an external disk as journaled HFS+?

The application Disk Utility /Library/Utilites/Disk Utility.app which is part of the applications that ship with the Mac OS allows to reformat an external disk. Options include: Mac OS Extended ...
2
votes
2answers
4k views

Is it possible to disable auto mount of external devices?

How can I disable the auto mount of usb/firewire devices or basically any external disk in MacOSX? My motivation for this is that in Windows there have been possible attacks via USB trojans that ...
3
votes
1answer
681 views

External HDD Unmounted After Sleep

I have the new iMac 21,5" and a Samsung G3 Station 1,5TB external HDD. When I plug my HDD, connecting to energy and via USB, no problems, Mac OS recognizes it and I can use it normally. The problem ...
12
votes
2answers
5k views

Can you make OSX mount just certain partitions when you connect an external HDD?

I have an external HDD with 4 partitions. My question is the following: is there a way of telling the OS to mount just two of them (One FAT and one HFS+) when I connect the HDD? It is rather annoying ...
8
votes
3answers
12k views

How can I write-protect (make read-only) a USB drive in OS X?

I have a USB drive with some archive data on it that I'd like to access from a Mac running Snow Leopard. However, I want to ensure that the data on the drive is preserved and no modifications are made ...
10
votes
7answers
13k views

What format for my external drive allows use with Mac and Windows?

How can I use my external hard drive on Mac OS so I can modify/edit files on both OS's: Mac and Windows? How should I format it?
2
votes
1answer
293 views

2009 Mac Mini HDD as an External Drive for a 2011 Mac Mini HDD

I have a unique plan: I have a 2009 Mac Mini mid-2009 with 10.6 OS X. I just got the 2011 Mac Mini with 10.7. But I am planning to use the hard drive from the 2009 Mac Mini with 10.6 OS X as an ...
0
votes
3answers
745 views

How to prevent Finder windows from automatically popping up when I attach a disk?

I have a removable Firewire drive. It has several partitions, many of which have Mac OS installers on them (I'm a developer/sysadmin, and need to reinstall fairly frequently). However, I also use ...
3
votes
2answers
525 views

Identify connected external disks programmatically

I want to write a shell script that ejects all currently-connected external drives (either USB or Firewire drives). I can use the disktuil eject <disk-path> to eject a specified drive. But I ...
1
vote
1answer
585 views

Why do external hard drives run so hot while mounted and idle on a Macbook Pro?

When my external drives are mounted and idle on a Macbook Pro, they run hot. Why? I do not have the same experience with NTFS volumes on my Windows box, where's the difference in idle disk usage? ...
0
votes
2answers
732 views

osx split external hard drive partition

I currently have a 640GB external HD that has 1 partition formatted as HSF+ Now I want to split some of the free space into a new FAT32 partition, without having to reformat the whole HD and losing ...
2
votes
2answers
200 views

Did my girlfriend delete her USB disk?

My girlfriend says she dragged the USB disk from the sidebar in finder into trash and I have since emptied the trash. Is this plausible? How do I show/display a USB drive using the command line or ...
0
votes
1answer
1k views

Can't Delete/Move folder/files on external HDD [duplicate]

Possible Duplicate: How can I use NTFS partitions? Hi, I just bought a new external HDD, It went well on my PC but I can't delete/move files on it from my macbook. PS. Im running OS X ...
1
vote
3answers
1k views

Looking for a free/cheap backup solution on OSX for NTFS external HDD

I'm looking for an incremental backup system on OS X that plays nice with USB NTFS-formatted external HDDs. I am currently using NTFS-3G to work with the HDD, but since Time Machine doesn't work with ...
5
votes
6answers
5k views

How to run Applescript on Disk mount

I want to run an Applescript when I mount a specific disk. It isn't if the script is located on the disk or not, it should just run when OS X mounts the disk. I tried to accomplish this with folder ...
6
votes
0answers
523 views

Disable File System Cache for USB Devices? [duplicate]

Possible Duplicate: Disable “the disk was not ejected properly” message When I have a USB Device like a SD Card, USB Drive or external hard drive, I always need to unmount it, ...