OS X Mountain Lion :: Unable To Eject External Hard Drive?
Sep 8, 2014
I am having problems ejecting the external hard drive that I use to back up my laptop. It is a 2012 MacBook Pro running Mountain Lion OSX 10.8.5. My external hard drive is a WD 2 TB My Book Studio. I use it to back up my laptop with Time Machine. Every time I try to eject my disk now I am told that "The disk (Diskname) wasn't ejected because one or more programs may be using it." I have tried some solutions like to stop Spotlight from indexing the disk and to try and turn off TimeMachine, but neither of these worked. The only thing that has worked so far is to log out of my user name and log back in with a guest user and eject it from there. This takes up a lot of time and is ultimately not really a sustainable way of working on my computer.
Info:
MacBook Pro, OS X Mountain Lion (10.8.5)
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Aug 31, 2014
I was using an external drive for Time Machine for the past year and a few months On Saturday a message came up that it failed. I tried initiating the Time Machine again but failed. I decided to get a new bigger external drive to use for Time Machine. When trying to eject the external drive I was using it gives me this message:
Would it be safe just to force eject or log out and then log back in again to eject it so I can use my new external drive?
Info:
Mac mini, OS X Mountain Lion (10.8.3)
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Apr 23, 2009
Supposedly, the external is in use and cannot be ejected, but i don't think it's in use. I've only recently been encountering this problem, and i have no idea why. I've tried quitting every application, but it still claims to be in use.
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Aug 20, 2014
I have a Hitachi Touro USB 3.0 1TB external hard drive that has always worked on my Macbook. Formatted in FAT so it would work on both my PC and Mac. I can't remember exactly when it stopped working, but I think I had to reset my mac once as it stopped responding and the HDD was plugged in. After that it stopped showing up in Finder, but still appears in Disk Utility. It also shows up in Storage under "About This Mac". I've tried resetting my computer, ran Apple Hardware Test, and have tested the hard drive on other computers and it works fine. Just doesn't show up in Finder on my mac!!
Info:
MacBook Pro with Retina display, OS X Mountain Lion (10.8.5), 13" Late 2012 model
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Aug 28, 2014
So a couple of days ago it was fine and today it does not show up in finder, or utility disk
I am about to upgrade to Mavericks now
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Dec 4, 2014
my External Seagate Hard drive just changed to read only on its own?
I went to get info and scrolled down to the Sharing and Permissions
But there is nothing there but a greyed out : You can only read
There are No boxes to check or uncheck, No options to change to read and write, No name of owner or ignore ownership box. NOTHING ELSE IS THERE
I have recently upgraded to Mountain Lion and am having other problems as well
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Jun 21, 2014
I replaced a 1 TB external drive partiotioned in 2 with a 3 TB extrnal drive run/store my corbon copy cloner back up and time machine.
The 3 TB drive was successfully partitioned through the disk utility and both back ups are installed and the initial back up is complete.
My question is about the 1 TB drive. I want to completely erase all data from the drive in order to use it for a different use.
Using disk utility one of the partitions deleted without incident when following the same protocol the second partition produced error messages.
Volume erase failed
Volume Erase failed with the error:
Couldn’t unmount disk.
If I try to eject the disk
It says it will not eject becaus e a program may be using it...
The only program that utilized this partition is Carbon Copy Cloner which is not being utilized on the new 3TB drive.
I do not see where there is a option to have more than on disk chosen for this purpose so am unsure why the disk utility is seeing the old partion as still in use.
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Sep 11, 2014
Since the harddrive of my IMac was full, I added an external harddrive to the system for my photos. I use another external harddrive for time machine back-ups (backing up both the IMac and external harddrive with my iPhoto libraries). Recently the EHD with my photo libraries crashed. I now want to restore it from time machine onto a new external harddrive, but am not quite sure how to do this.
Info:
iMac (21.5-inch Late 2009), OS X Mountain Lion (10.8.2)
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Feb 15, 2009
Supposedly, the external is in use and cannot be ejected, but i don't think it's in use. I've only recently been encountering this problem, and i have no idea why. I've tried quitting every application, but it still claims to be in use.
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Oct 31, 2009
I recently bought a new 1TB external seagate hard drive to use as media storage for FCP on my G5 quad.
I brought it home and started it up, partitioned into 3 pieces and then I ejected it.
Now it won't be recognized by my Mac. I feel like I've tried everything. Last night I unplugged the firewire and power cable, then this morning I flicked it on just to see what happened. It worked! I added some files to the drive and ejected it again to see if it would restart. Nothing...
So I waited another 15 minutes and tried again, nothing.
Any idea why the drive seems to turn into a brick after I eject it?
Hopefully it'll work after I wait another few hours again, but that doesn't seem like a working hard drive to me.
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Sep 4, 2009
This is a major issue for me, as I feel like I'm going to end up damaging my hard drive.
I am downloading a legal torrent to my external hard drive, however when I quit Transmission and try to eject my external drive, nothing happens. Snow Leopard doesn't even say it is in use like it is meant to. It just does nothing to eject the drive.
So I end up having to yank the USB plug out.
What gives? It ejects normally as long as I don't download to it.
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Dec 7, 2014
How do I safely "eject" my 2 TB Seagate external hard drive after backing my Mac Air onto it? I need to update my operating software, never had since I first got it. So I bought the Seagate HD, plugged it in and Time Machine just started running. Now I'd really like to be able to confirm that my entire machine backed up completely, and I think it is best to unplug the hard drive before upgrading the OS...is that right?
Info:
MacBook Air, Mac OS X (10.6.8)
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Aug 28, 2014
Rather than empty the trash which now contains all the data on my external drive I ejected the external drive immediately. When I ejected the WD external hard drive the trash bin no longer displayed any trash inside of it, and when I re-connected the external drive the "trash" (contents of my external drive) appears again in the trash. Is there a way to break the connection which has formed between my data on the external drive, and my trash bin? I was simply trying to eject my external drive as I've done hundreds of times by dragging the icon to the trash/eject area. I don't want to risk losing the data. I restored my computer, and upgraded to Mavericks.
Info:
MacBook Pro (15-inch Early 2011), OS X Mountain Lion (10.8.5)
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Jan 18, 2009
I rarely use my superdrive, so I thought it might be more practical to have the button eject my external hard drive(s). Is there a way to do this through OS X or a third party app?
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Dec 5, 2007
Anyone have suggestions? I have a single 1.8ghz g5, 1gb ram, 10.4.10. I have a maxtor OneTouch III USB 2.0 200gb drive attached to it.
I can not seem to eject/unmount this drive. Every time i hook it up I just have to end up pulling the USB plug or turning the drive off suddenly to get it to "eject" but then i get the improper device removal error/warning message.
I have tried dragging to trash, I have tried apple E (which is what I usually do to any device) and I have tried going into disk utility and ejecting/unmounting from there as well. no dice.
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Feb 28, 2009
I'm not a total newbie with mac and computers in general, but I cannot get the one and only super drive to eject... yes, I have hit the eject button, it shows the eject icon in the screen and nothing...how can I get the thing to eject?
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Jun 23, 2014
I have a MacBook Air with 251 GB of hard drive space, yet I only have 3 gigabytes free. I checked all my folders and they certainly do not add up to 248 GB, so where is all of this coming from? I checked my activity monitor and there is nothing that drastically large neither.
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Aug 19, 2014
for some reason I bought the infamous 2011 mac pro, and the hard drive kept having IN/OUT problems and after it destroyed half day of work, I decided to get a new hard drive, *blue WD 500g" but i have tried EVERYTHING and i just cant install mountain lion on it.
1.- i tried forcing the recovery mode so It would connect to the internet and download mountain lion but after 10 min or so i trows the -2002f error at me
2.- I tried to use the old hard drive that i put on a external hard drive reader so I could get the recovery partition but i just keep restarting the installation no reason given
3.- downloaded the mountain lion and tried to installing it on the system hard drive of the laptop trough a computer running snow leopard but dosn't let me.
4.- tried the same thing on target mode without success
5.- using the recovery partition I used disk utility to se of the partition was locked but it was not
6.- created a different partition to see if it would install it there didn't work.
Info:
Mac Pro, iOS 6.1.6
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Dec 6, 2014
I have an external hard drive that is about one third full. Can I now partition it into 2 partitions in which the existing data is in Partition 1, and Partition 2 is empty and available for new, different data?
Info:
iMac, OS X Mountain Lion (10.8.2)
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Sep 6, 2014
l I now have to completely wipe, re-format and re-load OSX onto my iMac's internal HD, My iMac is a late 2009 27" and at present has OSX 10.8.5 loaded, ( loaded but with many miss-functions ). Prior to the problem the iMac was running OSX Lion, what version though I can't remember.I installed 10.8.5 the other day to see if that would fix things, but it hasn't. It was not a "clean install", just regular one from downloaded OSX 10.8.5.
I have run Disk Utility and TechTool Pro' 7 to try to make repairs to address the problems so far to no avail. Main problems are that my most used applications, FCP-7 Studio, Aperture and Photoshop CS5 amongst others, open but then immediately crash. I've reloaded the troubled applications, de-installed them properly with de-installation app's then clean re-installed them, but that's made no difference. They will not mount.
I reckon there must be a fault or corruption on the HD, probably caused during the Optimisation as everything was functioning well before I did that. So, the only OSX install disks I have are the original disks that came with the iMac, OSX 10.6.2 and a Snow Leopard Upgrade DVD OSX 10.6. I do have the downloaded copy of OSX Mountain Lion that I pulled from the App Store the other day and that copy is now on an external USB / Firewire 800 HD.
As I said I would like to be able to clean off the iMac's internal 2tb drive completely and install a fresh newer OSX. If I first have to load OSX.6.2 then upgrade via the App Store that's fine, but I'd rather just go straight to Mountain Lion if possible. Whatever works best. Getting rid of any corruption on the iMac's HD is the prime motivation.
All my applications and files are backed up to a 2tb LaCie external drive.The iMac has approximately 900 gb's of content onboard and the rest is free / unused space.
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Aug 31, 2014
IMac is not booting up and I need to copy all content before reinstalling operating system. I have connected iMac to MacBook via FireWire and can see the hard rive. I have copied important files, but need to copy files in trash as well. I can not find the root to the trash on the dock when going into users or anywhere else. How do I copy files from trash across to the laptop without being able to get them out of the trash from the dock?
Info:
iMac
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Aug 22, 2014
Mac Mini running 10.8.5. Time Machine will not back up brand new OWC MiniStack external HD. I've trashed TM prefs, reformatted the TM drive, verified that there are no exclusions, but it won't back up the external HD which contains only data files -- no system, no applications. TM does back up the internal HD.
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Sep 3, 2014
My daughter's hard drive on her macbook air became full and she was unable to iMessages sent to her. I cleaned up the HD and it now has more room. How can she recover those messages she missed the HD was full? Possible? When the HD is full do the messages still live in the "cloud?"
Info:
MacBook Pro, OS X Mavericks (10.9.2)
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Jun 23, 2014
I am backing up my data from my mac book pro for a second time. I plug in my external, and it says it doesn't have enough memory to back up my computer. I have 1 TB hard drive and used about 650 MB for the first back-up. Obviously I don't have enough to back up everything for a second time. I just want to back up the new stuff. When I go to exclude the current external from the new back up, it's grayed out. Do I have to delete the contents of the hard drive and re-back up the entire computer?
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Jun 5, 2014
I have a question which I am quite unsure. I am shopping for a HDD drive (Western Digital My Book 3 TB) and was told that it cannot be reformatted to be compatible with TIme Machine.
I would like to verify if it is true.
Info:
iMac, OS X Mavericks (10.9.3)
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Jun 2, 2014
When I want to get mountain Lion, apple store telles me that I have Maverick installed. How can I charge the M Lion version to install on an external drive?
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Sep 1, 2014
How can I manually eject a disc that will not eject from my macbook prol
Info:
MacBook Pro (13-inch Mid 2012), OS X Mountain Lion (10.8.5)
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Feb 27, 2009
I recently bought an external hard drive that claims to be OSX compatible, but when i plug it into the usb, it isnt being recognized.
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Jan 20, 2010
Without warning my iMac [OS X Snow Leopard] popped up an alert saying that I should eject a drive before disconnecting it. I had done nothing to generate this error message. I clicked ok to close it and noticed my 4 month old, external 8T Mercury Elite-AL Pro Qx2 was no longer visible in my drive directory. I also noticed this external unit was making a looped grinding noise as if it was trying to write without success. I figured one of the drives failed and took it to the mac doctor. Other than a few directory errors, everything appeared to be fine, so I paid the service fee, brought it home and plugged it in only to find the same prob - obviously it's something with my iMac. Before I go spending more service fees, I wondered if anyone here could point me toward a method of discovering what might be wrong. I ran disk utility [verify and permissions] and fixed some directory errors, but don't know how to look further. iMac was home networked with a PC [Windows] and a laptop [Windows]. I did notice something wacky with the PC, but its very old and I expect it to die any day. I was running the network through the PC, so I direct connected the iMac to the router and modem but no change: still cannot see the external drives. What other info do you need to make an educated guess for me?
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Jan 12, 2011
My new iMac is arriving tomorrow and I need to transfer everything over to it. I know about Migration Assistant, but I want to know if there will be any complications due to the data I have on an external hard drive.
Specifically, I currently have an older (white) iMac hooked up to two 2TB external hard drives. One if for backup but the other one has all my iPhoto and iTunes content on it, including about 1.5 TB of movies and TV shows that I have ripped. None of this material is on the computer's internal hard drive - it is all on the external hard drive.
Because my new iMac has a 2 TB internal hard drive, I want to transfer all the iPhoto and iTunes content currently on the external hard drives onto the internal hard drive of the new iMac. Will Migration Assistant handle this and will it be clear what I need to do?
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