Intel Mac :: External USB Hard Drive Disconnects During Large File Transfers
May 9, 2012
I have a Western Digital 2TB USB Hard Drive that Ive been using perfectly for a couple of years on my MacBook Pro. A couple of months ago I bought a 27inch iMac and started using it as my main computer. So I had that hard drive connected to my iMac.
I started to notice that during large transfers (be it many files or 1 big one), usually into the Gigs, I suddenly got a warning message saying that the Hard Drive was inappropriately disconnected. It doesnt appear in Disk Utility so I have to manually connect and disconnect the drive in order for it to show up again on the iMac. I tested it again on my MacBook and the same thing happened.
Another problem:
Sometimes it will dissappear from the iMac without a warning message, it just doesnt show up. (Usually after long periods of inactivity). I then have to manually disconnect and connect for it to show up.
Info:
iMac, Mac OS X (10.7.2)
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Jun 9, 2009
every time i try to copy a file that is over 6gb to my external drive i get this message "sorry, the operation could not be completed because an unexpected error occurred. (error code 0) how di i fix this error?
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Aug 29, 2014
I'm using an external hard drive for mac backup and also to store photo files. I copied some photo files to the drive about two weeks ago and their icon appears, but when I want to open them, I get an error message: "The alias “...” can’t be opened because the original item can’t be found." There is also a small arrow on the icon. My other files can be opened okay.
What's also strange is that I found the icon of the external drive in the folder with the picture files, even though I did not drag it there (the main icon is till on my computer's desktop, where it should be.) That icon also has a small arrow on it. When I click on it, it opens and I can see my folders, but the photo folders with the arrow on it will still not open.
I tried ejecting the drive and reconnecting it, but it didn't work. Is there anything I can do to recover the missing photo files, or are they most likely gone? I have deleted these pictures from my computer hard drive. What should I do about the mysterious second external drive icon? Delete it or keep it? Can I somehow use it to restore the photo files?
Info:
iMac, Mac OS X (10.6.8), 2.4 GHZ Intel Core Duo 6GB RAM
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Nov 8, 2009
I am trying to transfer a large file (~7GB) from my macbook pro to my external drive... but seems that I keep getting an error. If I try to drag and drop from my Mac drive to the folder of my external hard drive I keep getting this message: 'The operation can?t be completed because an unexpected error occurred (error code 0).' I tried to use a UNIX command with the Terminal $mv file.xxx /Volumes/HardDrive/ at first it seemed to work, but after a while I receive this message from the Terminal: 'File too large' I am now frustrated... I need to save this large file for backup purposes and my external hard drive is not big enough to be used for Time Machine (it has 80GB out of 160 of space left)
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Mar 7, 2007
I have a 38gb iMovie file on my MacBook. I also have a 160gb external HDD. I want to copy the file across, sounds simple right? It will start copying happily but when it gets to about 8-10gb I get this error message (EVERY TIME!): Sorry, the operation could not be completed because an unexpected error has occurred (Error code -1309). I really do not want to delete this file as it is a wedding video I did for a friend only a few months ago. I am trying to copy across to a Freecom II drive using USB.
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Jun 4, 2014
How do I copy files fromone external hard drive to another external hard drive via mac book air
Info:
MacBook Air (13-inch Mid 2013), OS X Mavericks (10.9.3)
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Apr 30, 2012
I have a very large music library 500 GB on an external drive how do I get it on my brand new iMac intel
Info:
iMac, iOS 5.0.1
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Oct 2, 2009
Machine is an early 2008 Mac Pro. I'm connecting two external SATA desktop hard drives via eSATA (NewerTech Voyager S2 enclosures) and a Newer Technology eSATA Extender Cable (connected to the 5th and 6th internal SATA headers). One of the drives is used as a Time Machine backup disk. This TM disk has been periodically disconnecting and generating warning messages about improper ejection. It reconnects with a restart, but usually will disconnect again within a day. I swapped the drives in the docks, so each was connected via the other dock, cable, and internal header. The same problem persists - the TM disk disconnects periodically despite having switched docks.
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Jun 12, 2010
I have had my new iMac 21.5" for about 2 weeks now. Yesterday I picked up a 500 GB LaCie USB Drive to be used for my Time Machine drive. I have the drive connected directly to a usb port on the iMac. Sometimes when the iMac goes to sleep, when I wake up the iMac I get the dreaded "This Drive Has Not Been Disconnected Properly" warning.
I have made sure that the "Put Hard Disk(s) to Sleep Whenever Possible" option is not selected under the Energy Preferences. I have tried multiple usb ports, same issue. This isn't a constant issue, it just happens sometimes. Is there anyway to tell Time Machine to mount and unmount my drive when needed?
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Aug 24, 2014
I have a external SATA drive that was used on my old Windows laptop. The interface for the drive is USB 3.0. Whenever i try to view my files on the drive, the drive randomly disconnects, and notifications pop up saying that the drive was not ejected properly.
Also the drive has been reformatted to a Mac format, but it still continues to do this.
Info:
MacBook Pro with Retina display, OS X Mavericks (10.9.4)
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Dec 8, 2007
I've had some trouble deleting a file off my external hard drive connected to my iMac. The file shows up on the mac side but doesn't appear when I switch over to windows. I've tried to uncheck the permissions of the locked file but it will not unlock it.
When I try to send it to the trash, a dialogue appears saying that it is a locked file but do you want to delete it anyway. Nothing happens when I hit continue to delete the file. Anyone have any suggestions to get rid of this file?
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Jul 2, 2009
Just a quick question regarding external hard drives.
Does it matter what file system the hard drive is set to for me to be able to transfer data between the uMBP and the hard drive?
Currently, my 1TB external hard drive is in NTFS, but i understand Mac use FAT32? (Please correct me if I'm wrong)
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Nov 14, 2009
Try as I might, I cannot save a document, or anything to m y external hard drive that I plug into my MacBook Pro. Its my hard drvie, its NOT write protected, and I backed up all my PC files there so as to "Move to a mac" This mac will be useless if I cannot figure this out... what a pain.
It tells me that when I try to save it the hard drive is full or write protected, neither of which is true.... what could be the problem here?
I can't believe also there was no resident paint type program with the mac, and that you can't have tabs always open on Safari.
Also, I hate the way everything dissapears off my screen and I have to search through all the icons on the doc to find what I am looking for.... I really miss the start button with all my programs there for browsing... some things are definitly clunkier on the MAC..
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Aug 13, 2009
I've got to transfer 250GB ish of files from an OSX machine (HFS+) onto a Linux EXT3 machine and a Windows NTFS machine.
The problem is that I've got lots of odd named folders/files on the OSX machine that are not compatible on the linux/windows machines.
For example :
"OLDER THAN 12/08/09" becomes "ONM6U4~U"
How am I going to get these files over properly keeping the file/foldernames as intact as possible?
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Sep 22, 2010
I have plugged in my External drive to my MacBook Pro, and it's all fine when I open the files in it. But as I try to transfer files to my hard drive, it won't transfer. Instead it keeps denied and the same goes when I try to transfer some files to another persons hard drive.
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Nov 28, 2010
I downloaded a video driver (size 77.6 MB) and I saw it in my iMAC "downloads".
Now that I've downloaded it, and closed the downloads list, I cannot find how to reopen that download list. How do I do it?
Also, I want to transfer (copy and paste?) that video file downloaded executable file to an attached external hard drive connected to my iMAC which I will use to install the video driver on a PC which is in process of a clean install of Windows 7 Pro 64 bit.
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Apr 26, 2008
I have a USB 2.0 hard drive that I have been using to back up movie files. It has let me transfer files from my Macbook Pro HD to it hundreds of times without any problems.
I have this .mkv file that keeps giving me an error when I try to transfer it to my external. I get "Sorry, the operation could not be completed because an unexpected error occurred. (Error code 0)".
I have transferred plenty of .mkv files to my external with no problems. All other files work fine when I transfer them. It will let me move my .mkv file around my Macbook Pro's internal hard drive but it won't let me transfer it to the external.
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Nov 9, 2008
I have a folder which I deleted from my external hard drive. Whenever I empty Trash, I get the insufficient privileges error. The folder is empty.
I've tried emptying the trash, securely emptying the trash and used these Unix commands in Terminal too:
rm -rf .Trashes
rm -rf [directory]
sudo rm -rf [directory]
rmdir [directory]
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Aug 15, 2009
I have OSX leopard as a disc image on my desktop. When I try to copy the .dmg file over to my external hard drive it copies for a while, then an error message says it can't copy it over and stops. I'm really confused as this sort of problem doesn't usually happen.
I'm running Tiger 10.4.11 and I want to install Leopard. The Leopard disc image is 6.66GB.
I can't burn it to a DVD either because the discs I have are 4.7GB & the .dmg is 6.66GB. Do I need to buy a bigger DVD blank disc?
Another question is how I should burn the disc. Should I simply burn the .dmg file straight onto a DVD (if I can get one that is big enough!) using Disc Utility?
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Aug 17, 2009
It's with sadness and deep regret that I must put my 9 year old Dual G4 out to pasture.
I picked up a mac mac mini and it will be performing nearly all the same functions as the G4, including file serving and being the Time Machine source.
Question. Today, I have my iTunes and iPhoto libraries on a FW400 WD hard drive. Time Machine backs up that data to another WD FW 400 hard drive.
Moving to the mini, I'll have to make the external drives USB2. No big deal.
But purely from a set up perspective... Am I better off keeping things as is, keeping the files on an external drive and backup up to an external drive? Or should I put my iTunes and iPhoto libraries on the mini hard drive? Just looking for perhaps the best setup, etc.
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Apr 14, 2012
how do i move a file or folder from my mac book pro to an external hard drive? the hard drive is formatted just for the mac.
i backpacking and taking loads of RAW pics so i need to get them off my mac onto the hard drive. it seems i have to copy them, only some times then some pics dont work!! pain in the arse!!! im quite new to the mac and loving it, but on the old p.c it was easy as!!
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May 1, 2012
I need to move a mpeg to an external hard drive, but I don't know how.
Info:
Adobe Premiere Elements, Mac OS X (10.7.3)
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Nov 30, 2014
How do I transfer video files from one external hard drive to another external hard drive? OS X 10.9.5. I opened up each device in a finder window and tried to drag and drop from one device to the other. No luck. Next, I R-clicked on the file and requested to copy it, then R-clicked on the Finder of the destination drive, hoping to paste but that option did not present. I am able to paste a file onto the desktop from the original location but I cannot move it from there onto the destination drive. Full disclosure: I began this operation using a Windows laptop with no difficulties. Both drives are dual formatted. The destination drive is 2 Tb and has 1.5 Tb remaining space.
Info:
iMac (27-inch Late 2009), OS X Mavericks (10.9.5)
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Mar 1, 2010
I am assuming firewire would be the quickest, what about the firewire 800 or w/e it is in the macbook pros though? Is USB 2.0 significantly slower than the firewire? I want to buy a external HDD that is around 500gb in size and can transfer over files just like my normal HDD is. 100% of the time that the MBP is home it will be attached to this. I want to put almost everything there is on my laptop over onto the external hard drive except for stuff I need (which then I'd just pull it onto the desktop) when I leave the house. I'm assuming the western digital 500gb passport essential is the best buy, but I don't know much about it at all. It's only USB 2.0, which sounds like the slowest option when you throw firewire in the search.
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May 3, 2012
I recently purchased a new iMac desk top and I'm trying to figure out how to transfer a video file from a folder to an external hard drive. When I try and drag it, when I release it to drive it goes back to original file. I'll learn this thing sooner or later.
Info:
iMac, Mac OS X (10.7.3)
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Nov 18, 2010
I've made a movie project in iMovie 7, but it's taken 3GB of space on my hard drive and I am lacking space right now, so I need to move it out onto a external hard drive. I'd like to be able to recreate/edit the movie project on another computer.
How can I do this?
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Mar 21, 2012
I'm editing on Final Cut Pro but it's automatically saving all the files I am capturing to the hard disk using up all my storage space. I have a 2tb external hard drive how do I change the path so it will automatically save all the imported clips to the external hard drive?
Info:
MacBook Pro (13-inch Mid 2009), Mac OS X (10.6.8)
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Dec 23, 2007
Will running the 'repair disk' disk utility on an external drive screw up any of the files on my external hard drive? I only want to run it because I can't transfer a file from my HD to the external...it's a 6 gig video file in quicktime format, and I'm getting 'error 1309', which I understand is related to file size on FAT32 format. I know it's a huge file, but I've moved others to the external that are over 20 gigs with no problems (iMovie projects, etc). Anything I can do to get this file moved to the external?
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Nov 7, 2009
I'm going to use a fast 300GB WD VelociRaptor HD in an e-SATA enclosure connected to my MBP via a Merax e-SATA Xpress XpressCard/34 for moving large audio file drum software during live play. I know FAT32 wont work because of it's 4gig file limitation and stability issues (file corruption). I could use the more modern and stable NTFS but that would require using something like NTFS-3G or Paragon to allow OSX to recognize it but I'm worried about slower performance going that route. Would using the OSX native HFS+ format give me the performance and large file size usage I need?
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Mar 8, 2012
My internal 1TB hard drive on my iMac is dead and I don't have the money to replace it at the moment. I have everything backed up on an external 1TB drive using Time Machine. As a workaround for the time being,Is there any way I can install the system on the external drive and use that as the boot drive without erasing the Time Machine Backups? It seems to me I would have to have two partitions for the external drive, one for the system, and one for Time Machine. But is there any way to add a partition without erasing the existing one with Time Machine only on it?
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