MacBook :: Partition On External Drive Won't Mount?
Aug 17, 2009
I've got an external 500gb Seagate drive with 2 journalised partitions.....one for my time machine backups and the other for holding audio samples for my drum machines and such. All of a sudden today the audio partition won't mount but the time machine partition still works fine. I go into disk utility and it shows ther but just says unable to mount when I try to mount it. It suggests first aid so I verify and repair numerous times and it says everything is ok. I can boot up Ubuntu in VMware andboth partitions are visible and all the files are there....everything is just as it should be. I was using 10.5.7 and just upgraded to 10.5.8 tonight and nothing changed.
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Sep 2, 2014
I've been running a Toshiba 1TB external drive on my Mac Pro tower and it's been working fine. But yesterday it wouldn't mount. I could see the drive in Disc Utility, but the partition wouldn't mount. I brought it into work where I'm running an iMac and it mounted just fine. Why would it stop working on one computer (where it was previously fine) yet work okay on another? And how do I get it working on the tower?
Info:
Mac Pro, iOS 7.1.2
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Nov 26, 2010
I'm using 10.6.5 and recently I found a hard drive that has an exFAT partition on it. I suspect that partition contains the TrueCrypt container that I've been looking for, but I can't seem to be able to mount it on OSX to get to the files within that partition. Is there any way I can mount this exFAT partition? I'm running the hard drive on an external dock.
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Dec 16, 2010
I have a G3 Pismo laptop with a 30GB drive. The drive has an OSX partition and a classic partition. However, it recently quit booting form the OSX partition and will not mount this. Disc Utility run from DVD will not repair it. I have used Tech Tool on it three times. After the last "repair" Tech Tool said the volume passed, but it still doesn't mount. I tried using it in Target Disc mode with my G4. Still, only the OS 9 volume mounts. Toast will not create a disc image, so I guess I'm screwed. My only options at this point are older classic utilities. Is there any chance that Disc Warrior for OS 9 will get this volume to mount so I can copy things, format,and reinstall?
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May 29, 2012
Recently my WD Passport is recognized by Disc Utility but will not mount.I have tried repairing disk. What can I do?
Info:
MacBook Pro, Mac OS X (10.7.4)
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May 31, 2012
I just installed a new internal hard drive into my macbook as my old one was failing. Before doing this I backed up all of my information through Time Machine onto a Seagate FreeAgent external hard drive. I've been using this external hard drive for the past two years and I've never had any problems with my macbook mounting it. Once I had all of my personal information backed up I took out the external hard drive and then proceeded to take out my old internal hard drive and installed the new one. I installed the Mac operating system and the Macbook started up just fine but when it came time to reload all of my personal setting using Time Machine my macbook didn't recognize that there was an external drive plugged in. I know it isn't the external drive as it mounts just fine on other laptops. how I can get my macbook to mount the drive so that I can transfer all of my information onto this new internal drive?Â
Info:
MacBook, Mac OS X (10.5.8), Seagate FreeAgent
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Aug 29, 2014
I've recently converted to the Mac-side:
I'm having difficulty with my external hard-drive, here's the info on that one:Â
Disk Utility won't allow me to mount the drive, I've tried using a number of softwares to read it (working under the assumption that it's an NTFS drive), including Tuxera and Paragon. I have too much stored on the hard drive to empty it back onto my old computer, and so I'm not able order to re-format it.
Info:
MacBook Air, OS X Mavericks (10.9.4)
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Jul 10, 2009
I've not Time Machine'd in about 3 weeks. After working fine for several months, out of the blue I get this error. I think it was -61? "Get Info" said it was read only. I couldn't figure out how to make it write & read. Now, out of the blue, I can't even mount it.I'm at a loss. My iMac is on it's last legs and I'm playing with fire. I guess the first order of business is to mount the thing but it just does nothing or IDK how to force it to do this?
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Jan 3, 2009
I have this sans digital USB towerraid enclosure, with one, 1TB drive in it. It's formated as NTFS. It was working just fine, but for some reason, I went to connect it to a windows machine today and it basically froze up the computer. so i tried a few things, and it was still freezing the computer.So i connect it to my macbook pro where it normally is, and when it tries to mount the device i get an error from NTFS-3G. I added an attachment of the error it gives. I tried inserting the command line it suggests in terminal , but it didn't really do anything. I'm not really familiar with terminal or how to use it fully.
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Feb 12, 2009
I am trying to format my external drive to have (2) partitions. A NTFS for backing up my Windows computer and a HFS for backing up my MacBook Pro.
This is what ive tried:
1.) Create 2 partitions on my Mac in Disk Utility. 1 partition HFS, 1 partition FAT32. After doing this both show up in OSX but neither one shows up in WinXP. I was hoping the FAT32 would show up in WinXP so I can convert it to NTFS.
2.) Create 2 partitions in WinXP using Disk Management. 1 partition is NTFS and 1 is FAT32. Connected the drive to my MBP and both partitions mounted in Finder. I then opened Disk Utility and tried to "Erase" the FAT32 partition to HFS. The process seemed to be working but then it changed the name of the partition to disk1s1 and nothing else. The partition doesnt mount in Finder or WinXP.
3.) Create 2 partitions in WinXP using Disk Managment. Both partitions as NTFS. Connected to MBP and both partitions mounted in Finder. Opened Disk Utility and tried to "Erase" one of the NTFS systems to HFS. Same thing happen as #2, renamed the partition but didnt do anything else. The partition doesnt show up in Finder or WinXP.
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Mar 24, 2012
Disk first aid sees the drive but the "mount " button is dim. I am connected by a usb cable. I am using Lion 10.7.3.Â
I had been using the drive connected to an airport extreme. That configuration failed its connection to my imac. The drive is now connected now directly to the computer. .
Info:
iMac (27-inch Mid 2010), Mac OS X (10.7.3), airport extreme
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Dec 29, 2008
Just bought the WD Elements external Hard drive, plugged it in... and it won't mount on my G4!
-Checked all USB ports
-Doesn't show up in Disk Utility or System Profiler
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Oct 5, 2009
Hello everyone. I've been using an external Western Digital My Studio (500GB) drive for the last year or so with a Core2Duo Macbook Pro, and have had no problems until this morning. The drive is used primarily for Time Machine backups, but I also have some photographs stored as well.
This morning, just after I'd begun copying some of these files to another external drive, the WD drive went down, and now will not mount/showup in Finder. It DOES show up in Disk Utility, though with the Time Machine volume grayed out. I get a "could not mount" error when I click on the "mount" icon, and nothing else I try (rebooting, unplugging drive power supply, etc). has worked. I'm trying to avoid the erase-and-reformat option, because I'd lose some potentially valuable images.
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May 17, 2012
I just purchased a new iMac, System 10.7.4. When I tried plugging in my old WD external with a newly purchased Firewire cable (couldn't attach with the cable that came with the drive originally), the drive didn't show up on my desktop. I tried shutting down and restarting, thinking that would help, but it did not.  I then removed it and placed it back on my G5 Tower and it works fine. I am running system 10.5.8 on my old mac, just as an FYI. I need this drive as my time machine backup is on it.
Info:
iMac, Mac OS X (10.7.4), WD External Drive
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May 21, 2012
I have a Lacie 1TB external hard drive that keeps disconnecting from my Time machine to back up data.how to remount, I can not find it anywhere .....
Info:
Macbook, Mac OS X (10.5.1)
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Jun 1, 2012
I disconnected a working external 750 Gig G-Drive. When I reconnected it, it won't mount. I have restarted the computer. I have disconnected & re-connected the drive. Still no luck. What should I do?
Info:
iMac, Mac OS X (10.7.4)
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Jul 23, 2008
i have a 320gb external hard drive and was wondering if i could partition it so i could use it just as an external hard drive on one partition, but have time machine on the other partition. i just recently got my frist mac, which is a macbook, and i love it.
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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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Feb 25, 2009
I have a LaCie 320 GB external hdd (USB 2.0) that worked perfectly until last night. Now it won't mount when I connect it to my computer, nor can I see it in Disk Utility. Disk Warrior can't see it either. I tried connecting it to my roommate's MBP with no luck.
It spins up just fine and doesn't make any clicking noises or anything like that, so I feel like there might just be some hope yet; I'm thinking it might just be a faulty USB cable or something, but I don't have a spare one to try it with.
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Apr 3, 2009
Alright, so My ipod is formatted for windows when formatted in this you can only copy chunks of 4 gig things using it as an external. but if you change the formatt of it to take all sizes, then it's not compatible with mac and pc. =/ i had it originally formatted for pc because i just recently got a mac book pro and it's my primary computer. well on to the hard drive trouble that is related i'm borrowing my friends external to get a 8 gig file from my pc to my mac. it's formatted in fat32(windows and mac read) but that format only allows for a 4 gig max to be put on it at one time. so i guess i'm outta luck there, i've looked at JR split but who knows it that will work. My main q is, i'm going to be getting my own personal external soon and i want to know whats the best way to format it that it will mount on my pc and my mac and allow me to copy more that 4 gigs of stuff on it at a time.
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May 26, 2010
After a lifetime of owning PC's I finally purchased a MacBook Pro running OS X. I installed Parallels Desktop 5, Windows XP, and several Windows apps to have dual functionality. Now I need to write to my NTFS ext. hard drive where I backup everything. It has 800gb of space left, so it would be a shame to get a new one just b/c I have a Mac now. I first installed MacFuse and then NTFS-3G. Now when I reboot, the ext. HD won't mount at all. What have I done wrong?
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May 17, 2012
After upgrading to 10.7,4 I can no longer access my external IOMega Prestige drive. This drive is encrypted/protected via IOMega's Drive Protection software.
The following is in the kernel log after I enter the password for the drive.
[code]...
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Jun 23, 2014
After upgrading to osx 10.9.3, my external hard drive was not able to mount, but it can be mounted without issue in osx 10.6, how do I solve it? it was formatted by disk utility. Â
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Sep 12, 2014
My Time Machine external drive has failed, and I can't open , mount or erase it. What can I do?
Info:
iPad 2, iOS 4.3.2
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May 20, 2009
I'm having a series of problems. First some intermittent audio problems with Garageband, then, then some external drives won't mount, and now I can't sync to my disk from the iMac. I've run Disk Utitilies a few times and when I do Verify Disk Permissions, it finds a list of things to fix, I then hit Repair Disk Permissions and it fixes them, and then hit Verify Disk, and it say the disk appears ok. When I do Verify Disk Permissions again though, it finds another long list of things to fix. Is this serious? What should my next step be? Should I reinstall the entire system?
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Jun 15, 2010
It's about 2 years old and been working fine. Now it won't mount on my Imac (tried it on 3 computers). It is not seen by disk utility or system profiler. I tried resetting PRAM. I am on OS 10.5.8.
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Apr 18, 2012
I finally updated to mac OS 10.6.8 snow leopard in prep for upgrading to lion and now my macally backup drive wont mount - what should I do?
Info:
iMac, Mac OS X (10.6.8)
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Jun 25, 2012
How do I partition my external hard drive without losing the data already on it? I've been using it with Time Machine on my old computer, but want to use it as a regular drag-and-drop type back up on my new computer. Is there any way to basically split the hard drive so I can still access the Time Machine backups on my old computer, but also be able to use it with my new mac?
Info:
MacBook Pro, Mac OS X (10.6.8)
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Aug 28, 2014
I have a MacBook Pro running OSx 10.9.4 and have been successfully using Time Machine with a WD My Passport External Hard Drive for a while. Now (after 10 days with a successful back-up), the computer will not back-up. I have gone into disk utility and tried to erase, partition, and/or repair the disk, but repeatedly get error messages - it can't erase the disk, re-partition the disk or unmount the disk.Â
Info:
MacBook Pro (13-inch Mid 2010), OS X Mavericks (10.9.4), External Hard Drive
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Dec 1, 2014
First the Details:
MacBook Pro, Retina, 15-inch, Late 2013
OS X Mavericks 10.9.5
USB 3.0 External Hard driveÂ
I am currently using an external drive for my user storage. Right now I log in with a separate User account to mount the drive, log off, and then log in with my user. I am trying to remove the extra steps so I can boot my Mac and log right in. I have not found any method that pertains specifically to Mavericks, and all of the methods I have tried for older OS versions do not seem to work properly. Â
Info:
MacBook Pro (Retina, 15-inch, Late 2013), OS X Mavericks (10.9.5)
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