Software :: Unable To Access External Hard Drive
Jan 5, 2009
I'm using a 1.42ghz Macmini running 10.4.11. I've been using a Lacie 500 G firewire external hard drive for over a year to store and retrieve files. I have several movies in the mp4 format stored on the Lacie external hard drive. I recently opened one of the movies in full screen (quicktime). It ran for about 10 minutes before freezing up. I watched the spinning beach ball for about 5 minutes. Unable to force quit Quicktime, I pulled the plug on the Macmini. After restarting the computer, the icon for the Lacie external hard drive no longer appeared on the desktop.
I tried several different things to get the icon back, including: repairing the permissions and shutting down the external drive and unplugging the power supply for several minutes before reconnecting the external drive to the computer. The external drive doesn't show up in either the System Profiler or Disk Utilities.
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Nov 17, 2009
I have a G3 Blue. It has been upgraded with a new hard drive and memory. I am currently on 10.4.9 I think. This morning the computer was making an odd noise and I had to reboot it. When it came up the old hard drive from 3 years ago was the only one I could access. How can I get to the new hard drive again?
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Jun 27, 2012
I am trying to access a PC formatted external hard drive, however when I attempt to mount it I get a message saying the drive is not recognized and if I want ti initialize, which i believe if I execute will remove the files I am trying access..Is there a way to access the files on the external hard drive...it is a avi file i need to edit.
Info:
MacPro, Mac OS X (10.6.2)
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Dec 24, 2009
Up till 9 months ago I was using a PC where I stored my iTunes library on my external drive to save space. Since getting a MAC I have been able to direct my library storage to the external drive. I can play the tunes individually but cannot access them.
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Nov 25, 2009
Everytime I try to click on my external hard drive it closes the window. I have two identical WD MyBook 250GB drives. Both are FAT 32 formatted. I can access one of them fine from my Macbook. The other displays its icon, but as soon as I click on it, it opens a window, then closes it again. I can access the drive via a PC. I purchased a replacement hard drive (LaCie mobile disk 500GB) which worked fine until I transferred the data at which point the same thing started happening with the new drive.
I ran a Bit Defender scan on the hard drive and the only thing that turned up was an "Exploit.PDF-JS.Gen" file buried inside Adobe Acrobat. Bit Defender couldn't quarantine or disinfect the file so I deleted the copy of Acrobat but the drive still won't mount. I have a Macbook running OS X 10.4.11 and a 2 Ghz Intel processor.
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Sep 14, 2009
Okay. So I had an Imac G5 (white) running 10.4 This one crashed and I got a new iMac G5 (Silver). Since then I have removed the old hard drive. Today I connected it to a Serial ATA - USB Converter. It powers up and sounds to be working fine (hums, spinning) but my new computer says "Disk is unreadable". It gives me the option to format, but I want to recover my old files first.
Important: I also have a similar Lacie external drive that I hooked up the same way and it worked fine. I was able to take the files off of it.
My guess: I believe when the drive is connected, it is trying to start up the OS (this was the start up disc). It has that click sound like it's trying to make the chime and then spinning like it's working. Can you change the drive to a "Slave"? Or is my disc corrupted?
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Jan 12, 2007
The title says it all...
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Mar 7, 2012
I want to put my DVD movie collection on an external hard drive, can I leave it plugged in to my Mini and still access it through my wireless home network so I can watch on my tv?
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Mar 26, 2012
My external hard drive was accidentally unplugged without ejecting. Now when I plug it in, it read only. I can copy files from it but not to it. Is there a way to reinstate write access without losing my data?
Info:MacBook Pro, Mac OS X (10.6.4)
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Mar 27, 2009
I have a new mac mini and a vista pc on the same network. I want to have my pictures, videos and itunes library on a time capsule so I can access them with my mac and pc. I will not be using time capsule as a backup drive. What I want to know is if I can use an external HD to backup my time capsule content. Would it be better to plug the drive to the capsule with usb or to the mac with fw800? The reason I want a time capsule and not a nas is because time capsule is a router at the same time, which means I save space on my desk and dont have to mess around with different components for my network to work fast.
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Apr 16, 2009
I have plugged in an external hard drive into my time capsule via the usb input. I have a main router for my network and internet and time capsule is connected to this wirelessly. The external drive doesn't show up as being attached to the time capsule and hence I cannot access any files. What do I need to do to be able to access it?
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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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Aug 27, 2008
I was wondering how much external memory an iMac G3 1999 will accept! And I'm looking for an external Hard Drive that uses the built in Firewire 400.
btw: it's blueberry. and 400MHz with 512MB SDRam
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Nov 11, 2008
I have a macbook and I am connecting an external hard drive via USB 2.0.
When I want to delete a folder it gives me "error 1407". There is nothing in the folder and it is not protected in any way. It was a folder created by me only a month or so ago. ALL of the folders on my external hard drive are like this. No files are effected with this issue.
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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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Jun 14, 2009
I have a Lacie External Hard Drive that I had been using with my Windows system.
Now, I decided to transfer some of my stuffs from my MBP to this Lacie External, however, it won't allow me. It keeps giving me warning that "Lacie External Hard Drive Cannot be modified".
I had tried to modify the "Lock" property from "Get Info" but its option is grayed out.. I am unable to change it..
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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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Dec 10, 2009
I have a Toshiba 250GB external hard drive to back up pictures. I can write to it just fine. I also have a Fantom Drive 1TB external. I could write to it last week, but I turned it on this week and I can't write to it. I can still pull stuff off of it, but I can't write to it. What can be causing this? I have already installed MacFuse and NTFS-3G. It doesn't make sense to me that I can't write to it all of the sudden.
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Feb 16, 2010
I'm praying someone can give me a miracle cure here but im pretty sure its a terminal case. i have a 24inch iMac 2.66ghz core 2 duo and a western digital 1tb external usb hard drive....this hard drive was bought a month or so ago with the sole purpose of store years and years of media to free up valuable space on my iMac hard drive....tonight without any warning at all the drive icon disappears from my desktop with an error message and now refuses to load, when i click initialise on the error dialogue box it takes me to disk utility.
in disk utility i have tried repairing disk and i get the message "invalid node structure". it then tells me it cannot be repaired and i need to re-format my hard drive.
as i said there is literally YEARS of info on this drive that i really really dont want to lose, is there anything i can do, or anything worth trying. as a side note on the front of the drive it has a capacity gauge and has gone from 3/4's full to not showing anything.
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May 4, 2012
Two years ago I installed Leopard on a pair of striped Fantom Hard Drives (3TBs) via Firewire 800, and have been running my 2007 Macbook Pro off it ever since. When Snow Leopard came out, I updated it with no problems. When Lion came out, again no problems. Last month I bought a CalDigit VR2 with dual hard drives (4TBs) specifically built for running OS externally. But no matter how I configure, install, or connect... it will not boot up my Macbook Pro, or my Macbook Air.
Last week I bought a new Fantom external hard drive (1.5TBs) and discovered the same exact issue, with one exception... the Fantom will boot the Macbook Pro via USB 2.0, but only when plugged into the left side port.
Has anyone else noticed this change?
P.S. I've talked to the people at CalDigit, Fantom, and Apple, and no one seems to have an answer.
Info:
MacBook
Pro, Mac OS X (10.6.7)
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Dec 27, 2010
I bought a WD My Book Essential to do Time Machine backups. It is formatted for a PC but I was told I need to format for my IMac before I can use it. How do I do that? Is it a complicated process? I have only been using a Mac for about a year now and am still learning about them.
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Jan 6, 2011
I have 100gigs of music so I successfully transferred my iTunes media to an external hard drive, and identified this new location within iTunes/Preferences/Advanced/Location. Everything worked great until I had to shut down and start up.
Now, it no longer recognizes the media library. When I try to play a track in iTunes, iTunes says the original file could not be found. It prompts me to locate this one track, which I do, and that one track will play. All of the other tracks have the (!) sign next to them in my iTunes library.
I have double checked the settings in my iTunes preferences, everything appears to be configured as when I first made the successful transfer (identifying the external hard drive as the location).
I've made sure to restart once the external hard drive is connected.
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Jun 15, 2008
One of my important external hard drives recently died and I was wondering of there was a way to see a list of files that were on the drive before it crashed, maybe the spotlight index?
Before sending the drive in for recovery (and not attempting to change the logic board myself) I would like to see if there is any private data on the drive that I wouldn't want to fall into the wrong hands.
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Feb 18, 2009
i have just bought and external hard drive and want to put stuff on it. i know i hav to format it somehow using disk utility on my imac. what do i format it to so i can use it on both mac and pc? it is set to read only in "get info" and ms-dos fat in disk utility.
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Jul 7, 2010
Yesterday I reformatted my Macintosh hard drive, partitioned it, installed Snow Leopard on one partition and Windows 7 on the other. I installed all the drivers for Windows 7 from the Snow Leopard disc.
When I plug in my 1TB Seagate external hardrive it's not showing up in Snow Leopard or Windows 7. Not even in Disk Utility. I tried plugging the external drive into my Windows laptop and a pop-up comes up saying "USB Device Not Recognised. One of the USB devices attached to this computer has malfunctioned, and Windows does not recognise it." I think that this may just be because it's formatted to Mac OSX?
The hardrive had all of my photos, videos and music on so I hope it's salvageable. I find it hard to believe that the hard drive malfunctioned at the same time I reinstalled the software onto the iMac.
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Dec 3, 2008
I have looked at a ton of posts on this site and others and find similar problems but cant figure out what is wrong. If someone could point me in the right direction that would be great. I have an Imac 2.4ghz intel core 2 duo 3 gigs of ram. I have an Iphoto library that is 190gigs . I have been trying to transfer the library to an external 1 tb hard drive so I can get my computer to run normal again. When I try and transfer the Iphoto library to the external I get a really lame error code. The transfer will start perfect it will get to about 142 gigs complete then the message :"the finder cannot complete the operation because some data in "iphoto library" could not be read or written. (error code -36). I have looked up the error code and it seems to be one of those codes that doesn't really tell you anything. At first I thought it was a problem with the external, maybe it was not formatted correctly. Then I tried with an alternate drive I had and the same thing. Just to make sure I took back the original drive. Re formatted the drive only one partition, and mac os extended journaled using GUID partition as suggested by many posts. So I don't believe it is the drive at all I can transfer other files no problem. I have not tried to transfer something as large, but everything else, photos, movies, ect seem to be no problem at all. I really do think now there is something wrong with the library but I don't know what to do. I would love to try and make a copy on the computer itself, but there is not enough room. I think I may need to rebuild the Iphoto library but do not want to lose everything.
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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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Sep 29, 2009
I cannot believe I am actually in this position, but I accidentally reformatted my lacie 1TB external HD. The files were not overwritten as it was the most basic and quick format option, but they are not accessible.
Can anyone recommend a good data recovery app that works for OS X?
Anyone know what the best course of action would be?
Any advice would be greatly appreciated.
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