OS X Mavericks :: External Drive Is Suddenly Read-only / Yet Is Formatted For Mac
Sep 11, 2014
I've had a 1TB external hard drive for the last year and never had a problem with it until now. Suddenly, it is showing as read-only, however, it's formatted for Mac. Do I have to re-format it?
Info:
MacBook Air, OS X Mavericks (10.9.4)
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Dec 27, 2010
I just got hit with a double whammy. :Imac running Panther did something odd to the it's external drive. That was formatted fat 32. I plan to see if anyone in the nearby computer repair class can recover those files, but in the meantime (days!) the gremlin also hit the macbook, putting it in range of a spill. So now the only backups I have are on the second external drive formatted with a mac format on the macbook. This one was done with 2 partitions, one for Time Machine, one for the stuff I was yanking over from the other hard drive.
So now I find that Imac can't even SEE the second drive. (Not that I expected it to see or recognize Time Machine, just the other part.) My macbook is on downtime until it gets checkup/cleaning (with all mac places nearby apparently closed thru New Years and classes I need it for starting right after) Does anyone know a way to get "Ye Old Imac" to see the other drive? Is there a driver or something? I know it's very hard to find older software (most online sites don't go back past Tiger), but it is a mac format for goodness sake! I can't even be 100% sure if it's something to do with a newer mac format for the external drive or "Ye Old Imac" is just being grumpy. It seems to see the other USB stuff but it has been known to lose touch with them.
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Aug 23, 2007
I have an external hard drive, it's formatted in NTFS, sort of like a 'bridge' between my Macbook and my Windows machine. I was able to write to the NTFS drive from my Mac using MacFUSE and NTFS-3G. A few days ago, the hard drive showed up as 'read-only', and is still that way now. I've tried repairing disk permissions, reinstalling the NTFS applications, nothing seems to change the write permissions back.
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Aug 6, 2010
I have a portable external hard drive formatted for mac and I want to be able to view my movies that are on it through my games console. I believe both consoles only read Fat 32 so what are my options to get the consoles to read the HD?
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Nov 22, 2010
i want to ask if the tv with usb port can read the external HD formatted by mac (hfs/hfs+) in playing movies?
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Aug 27, 2014
I have 2 external hard drives one specifically for mac the other is for either mac or Windows base PC. I backed up on my mac using the time capsule back up now. When I attach to a usb ion my windows PC it wont read or even pick up either external discs, is this normal.  How do I get files from my mac to windows based PC, it does work using a memory stick. But why won't PC pick up the drives.
Info:
MacBook Pro with Retina display, OS X Mavericks (10.9.4)
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Sep 4, 2006
I have an external drive that is still formatted for OSX journaled and I need to read it on my XP system. I used macdrive in the past but the demo expired and it will not let me try it again. Is there any free software out there that will let me do this? I do not want to pay $50 for software I will only use once.
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Nov 12, 2010
I bought a new hard drive to use for both my windows and mac backup. I formatted the drive in NTFS using windows. But when connect it to my mac drive is showing only as Read Only.
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Mar 29, 2012
Can an iMac read a plug and play USB hard drive that was previously used for a PC. All of my *.jpg files are backed up on the portable hard drive.
Info:
iMac, Mac OS X (10.7.3)
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Mar 24, 2012
My Macbook Pro suddenly won't read my 750GB WD Elements Hard drive.It was working earlier today but when I went to press play on my TV show in VLC it said the files couldn't be read. So i reopended them all and they still didn't work. I closed down all programs running that could possibly be using my hard drive but it said it was being used so I force ejected it and when I plugged it back in it didn't work.
It comes up with an error message "this disk can't be read by this computer" but it still shows up in disk utility. In disk utility though it says it is a 2.2TB hard drive which confuses me. also I the buttons for "verify disk" and "repair disk" are greyed out.
Info:MacBookPro, Mac OS X (10.6.7)
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Aug 20, 2014
I have a new iMac using OS 10.9.4. I got an external HD for backup purposes and successfully formatted it. Now I want to create partitions; however, my Disk Utilities app does not contain any tab or command for creating partitions. Where should I be looking?Â
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Jun 19, 2014
MacBookAir,1.8GhZ,Memory 4GB1600 MHz DDR3 osx10.9.3
Finder can show and open the files from the external hard disk but can not searching for the files.
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Jun 4, 2014
Yesterday i bought an Macbook pro of someone else, and today i formatted the hard drive and when i want to reinstall OS X from (OS X Utilies), is asked for apple id and password.
my own apple id is not working, and i cannot contact with him,what should i do now?
Info:
MacBook Pro, OS X Mavericks (10.9.3)
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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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Sep 2, 2014
Okay so, I have an External drive that sat in a USB enclosure until the USB connection snapped off on the inside. I figured I'd remove the (SATA) drive and re-purpose it as an internal drive. When I did this, it shows up as unreadable. The drive itself shows up in disk utility apps, but the two partitions (one was a Time Machine backup, the other a regular Mac-formatted (Extended) partition, do not. I get the ol' "This drive cannot be read. Initialize?" message when the machine boots up. how I can get back to the data I know is on there? Am I gonna have to do a RESTORE to another drive?
Info:
Mac Pro, Mac OS X (10.7.5)
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Jul 22, 2009
I try erasing it again and making sure it is formatted for MSDOS and still no luck. So I try partitioning and that is also no luck. 1 part for mac, other free space because no windows option was present
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Apr 2, 2012
I'm running Lion on a Macbook Pro. It doesn't recognize one of my external drives that was used on my windows based laptop when connected via the USB cable. Is there a way to mount this external drive on a mac?Â
Info:
Mac OS X (10.5.6), Macbook Pro 15
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Jun 2, 2014
when I insert my 'FAT' formatted external hard drive (Samsung M3) into my mac book pro it comes up with the error message that says "the inserted disk is not readable by this computer" and I therefore cannot access the files. The story (potential further details):Â
1. I had a problem with my mac where it took hours to load each time I turned it on, would only work when power was plugged in etc. so I had to reformat my mac hard drive (when I tried to veriify it said repair, that wouldn't work). So i'm starting with a recently reformatted, clean mac.Â
2. Before doing this I reformatted my external hard drive (whilst on windows machine) to FAT32 (so I can use on both windows and mac) so that I could back up my files.Â
3. I then transferred files from mac onto external hard drive and then also put them on a windows machine.Â
4. After reformatting mac hard drive when I then tried to transfer files back onto the mac I get the 'not readable' error.Â
Info:
MacBook Pro, iOS 7.1
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Feb 2, 2012
I just bought my first mac (yay!) and am trying to transfer my files off of my old pc. The problem is that I stored all my personal files on an external hard drive, which is of course formatted for windows. My mac will open it, but it is "read only." I tried plugging it back into my pc and using the Migration Assistant to transfer my files over, but it was not detected (rest of the pc was).
However, the second time I tried plugging it in to my pc, it told me it would need to be formatted first. Obviously my mac has changed something on it, and now all my personal files are on a hard drive that is unusable by either my old pc or my new mac!
Info:MacBookPro
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Aug 25, 2014
My Seagate hard rive is saying that it is formatted NTFS when I plug it into my new mac. I have only ever used it on a mac and it didn't ever say this when i used it on my old computer.. Im not quite sure what to do because I have no where to put all my stuff to reformat it?
Also I made sure when I bought the hard drive that it was both windows and mac compatible...
Info:
Mac Pro, OS X Mavericks (10.9.4)
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Dec 4, 2014
Is it possible by any means to transfer mac files onto a windows “NTFS" formatted external hard drive...?? Â
Info:
MacBook Pro with Retina display, OS X Mavericks (10.9.5)
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May 24, 2012
I accidentally formatted my external hard drive when I was creating a Windows USB install disk with Boot Camp It was a HFS+ formatted drive with a GUID partition table and 2 partitions: one clone of my Macbook OS, and one with personal data. I'm not worried about the OS clone, I'm more concerned about getting my personal data back on the second partition.So far I've used Stellar Phoenix and Data Rescue 3. I reformatted the hard drive from FAT to HFS+ before I did these scans. Not sure if it was a good idea, but the programs wouldn't scan properly otherwise.Stellar finds my files with the original folder structure, but I can't open any of the files, even though the file sizes seem to be correct. Data Rescue partially finds the original folder structure, and also has a "Reconstructed files" section which has all my files sorted by file type and without the original file name. I really want to avoid going through all my photos, videos, etc. one by one to sort them out.
Can I still recover my files in the original folder structure? Why can Stellar find all my files basically intact, but I can't open anything? In the meantime, I'm going to try scanning with Disk Drill and FileSalvage with fingers crossed...
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May 5, 2005
My iPod is formatted MAC and I want to change it to be able to read it on a PC and add more music. How do I do this without losing my music? What software is available? Please explain fully, as my knowledge of computers and software is moderate, but not extensive.
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Jan 12, 2011
I'm using Macdrive on this pc laptop I got, but now I'd like to go in the reverse direction and transfer files directly from an NTFS formatted drive to my Macs.
Whats the best app for doing this?
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Apr 26, 2012
I have two computers: a Windows Vista based one and a Mac OS X. I take photos and view them on both computers. After I formatted the CD card and took photos on my DSLR I tried to view them on the Mac and get the following screen: If Repair Disk is unavailable, click Verify Disk. If the disk needs repairs, you'll be able to repair it from Recovery HD. If you have a Permission problem with a file installed by the Mac OS X installer, click Repair Disk Permissions.
Disk Description: Generic storage device media
Write Status: Read/Write
S.M.A.R.T Status: Not supported
Partition Map Scheme: Master Boot Record
Format: MS-DOS (Fat 32)
I suspect the last item is the culprit due to OS incompatibility and I am aware that there is a software program (Paragon) that can read both types of files. But in the meantime, can I recover the photo files using Repair Disk, or whatever? I don't want to lose the files if, by using Repair Disk, I wipe out the contents of the CF card.
Info:
iMac, Mac OS X (10.7.2)
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Jun 28, 2014
A few months ago, I inherited this 2010 iMac and finally getting around to personalizing if for my use after finding a way to get rid of the admin pass. So today, I downloaded Mavericks, the AppStore updates and hooked up my 'WD External HD My Book Essential' and only after loading everything to iTunes did I realize that the HD is read only. I looked a couple of forums and thought I found something but to no avail. I saw a post that suggested the installation of NTFS-3G (I converted years ago to NTFS from FAT32 for space reasons.) However, I still had problems! disconnecting and reconnecting, uninstalling and reinstalling, heck 'macFUSE' keeps coming up as being unsure if it's even installed so I installed 'FUSE for mac' and I keep getting the same message:Â
Library not loaded: /usr/local/lib/libfuse.2.dylib
 Referenced from: /usr/local/bin/ntfs-3g
 Reason: image not foundÂ
Once I uninstall 'NTFS-3g', my external will show up on the desktop and I can access it.... still as read only but it's there. I have a huge music library and if I can actually have access to it since my old Windows got fried and I now have a iMac as a personal computer. I really don't want to reformat it since I have so much on it and losing anything would be a devastation.Â
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Jun 2, 2014
I reinstalled Mavericks 10.9.3 and now I can't view or read my external hard disk.
Info:
iMac (27-inch Mid 2011), OS X Mavericks (10.9.3)
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Jun 24, 2014
My USB drive suddenly became read only after months of problem free use on both Mac and PC.Â
As you can see I have no options to change permissions and Disk Utility won't let me erase the drive. When I verify the drive DU says it needs to be repaired but it won't let me do so since it is read-only...Â
I'm running on a mid-2010 MBP with OS X 10.9.3. The key itself is a no name brand with no write protection switch.Â
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Sep 21, 2010
I had a Windows based PC a couple of years ago that had crashed. So recently i tried to put the files from my old hard drive from my Windows computer to my Mac. In order to keep track of what i have copied and what I haven't i thought it would be good to delete the stuff of my windows hard drive once it was copied. However, it doesn't let me delete anything of the Windows drive since it is set to read only. Is there a way around this? i've tried everything i can think of, but haven't found a soluti
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Sep 9, 2014
I am using an Intenso 2,5" MemoryStation as an external hard drive. I have a few folders with pictures on it and my TimeMachine. When I plug it in it would usually show up on my desktop and start backing up my hard disk automatically. Something has now changed.
My dad gave my Macbook a new hard disk with more storage. When he put it in, he first safety copied all my stuff onto a separate external hard drive - ie. not my own. My Macbook is working perfectly and looks and acts exactly like before. But when I plug in my external hard drive, it now doesn't show up, neither on my desktop nor in disk utility. I can see that the external hard drive is responding as a light switches on and off when I plug it in and out; I don't think it is broken as I have taken very good care of it.
I'm worried that I have formatted my external hard drive so that it will only respond to a (now old) backup of my Macbook, which I can't access from my new hard disk.
I do also have the external hard drive that my dad originally used to backup all my stuff - with the older backup. Is there a way I can have my external hard drive read the new external hard drive (with the old backup of my Macbook)?
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