Hardware :: External WD Hard Drive Won't Mount?
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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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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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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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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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 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?
Info:
MacBook, Mac OS X (10.5.8), Seagate FreeAgent
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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.
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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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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:
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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Dec 1, 2014
First the Details:
MacBook Pro, Retina, 15-inch, Late 2013
OS X Mavericks 10.9.5
USB 3.0 External Hard drive
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.
Info:
MacBook Pro (Retina, 15-inch, Late 2013), OS X Mavericks (10.9.5)
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Sep 6, 2009
Today I went to plug in my Lacie 250 GB USB external hard drive into my 13 in. MacBook to get a shirt template for a design I am making. I discovered that the hard drive just would not mount and show on the desktop, and I remembered that this happened a few days before, but all I did was unplug it and plug it back in, and it worked... except that today, that didn't work at all. I tried the other USB port, and the hard drive showed up on the desktop for about a second, and then disappeared. I kept on replugging it back into both USB ports, but nothing happened.
Then I tried to see if it would work on the PC beside me, and it was recognized as an external device; however, a message came up telling me the drive was malfunctioning. I am guessing this is from ejecting it incorrectly (because I am in a hurry to head to my next classes...I use this laptop at school), but I have incorrectly disconnected it before in the past and this problem never happened to me before.
Every single project I have ever created for my design career is on that hard drive, and all I want now is to get my files back. All I need it to do is show up on the desktop for just the right amount of time for me to copy my files onto my computer.
I read online to put it into the freezer for a while and it should mount, but that didn't work. I tried using Disk Warrior, Data Rescue 3, and Tech Tool Deluxe, but the hard drive did not show up on any of those apps.I tried plugging the hard drive into an iMac as well, but it did not show up either.
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Dec 18, 2008
my friend of mine has a external Seagate 500gb firewire 400 drive. It is used for storing audio for his production studio and so has critical data on it. I was transfering some programs to him and plugged it into my Late 08 macbook pro. Everything went ok. The power cable came slightly loose which cause the lovely 'you failed to eject disc properly' error. It then would not mount on my macbook or his G5 (single 2ghz). We tried three different cables. Tried to see if Disk Utility would see it, nope. His other firewire drive mounts fine on both machines as does mine. The Seagate drive can be heard spinning up when the power is turned on. Seems to be a dead Firewire interface on the drive enclosure itself as nothing will mount when using the drive to daisy chain. I was thinking of opening the enclosure and installing the drive as a standard sata internal to get at the data. Warranty doesn't matter just the data.
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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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Feb 23, 2012
I recently performed an optical drive install. Had to remove the hard drive bays (I use three hard drives - Luckily, 2 run OSX). I carefully removed all three drive bays and the empty bay. When I inserted the drives into the computer I had changed the position, swapping one OSX drive with a different one and reversing the drive bays. On restart, the computer started on the drive I had not selected for startup and I received an error message stating the other drive could not mount and it gave three options (Initialize - Ignore and Eject).
I can see the drive in Disk Utility and repair the permissions (it's also located in the System Profile).
I tried a few things I read in the community using various Terminal commands but was unsuccessful.
(Let me point out that I recently switched from a PPC G5 to MacPro and swapped the drives from PPC into MacPro and all has been fine until I removed changed their positions in the bays)
Info:
Mac Pro, Mac OS X (10.5.8)
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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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May 21, 2012
Since upgrading to Mac OS X 10.7.4 I am unable to mount any of my G-Tech Raid hard drives.
Info:
iMac, Mac OS X (10.7.4)
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Jul 27, 2010
I have an external hard drive (NTFS) hooked up via firewire to a firewire audio interface, hooked up to my Macbook Pro with OS X 10.6.4. I accidentally turned off my firewire interface before ejecting the hard drive. (I have done this before, it's hard to remember I have my hard drive on sometimes, and nothing bad has happened). When I turned the hard drive back on, the mac says "the disk you inserted was not readable by this computer." I can pick "Initialize..." "Ignore" or "Eject"
If I click Initialize, I can't repair the disk or anything because it is NTFS.I tried booting into Windows 7, and it does not recognize the drive either.
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Apr 25, 2012
How to Mount a hard drive to MAC BOOK PRO?
Info:
MacBook Pro (17-inch Mid 2009), Mac OS X (10.7.3)
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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.
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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Jun 19, 2009
Long story short I dropped my 500GB Maxtor external HD (which is really just an internal HD in a chase). The drop was about 3 ft. It was not on so I don't think there will be much damage to the disk, but it no longer mounts. I was wondering if anyone could think of a way to get the disk to mount so I can recover files saved to it. I have Tech Tools, and Data Rescue II to recover the drive but as long it is not being recognized by the computer those applications are useless.
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Jul 26, 2009
I am new to this forum and hoping for some advice with this hard drive issue.
I opened a brand new Lacie 500 GB Hard Drive. It is connected to my macbook via usb. I selected it as my hard drive destination in Time Machine and ran the backup option.
The hard drive did mount. About 5 minutes in the backup option failed - a time machine error: time machine backup failed.
I ejected the drive and unplugged it/turned it off and rebooted my laptop. Now the hard drive does not mount on my desktop however will show in disk utility. It lists with the Lacie name and another subdivision under the name.
When I try disk repair, erase or partition..I always get the same message: resource busy. After the error, the hard drive subdivision disappears leaving only one name on the list in disk utility. (It does not have the name underneath it).
I apologize for my semi technical description. I am new to mac and appreciate any advice on how to fix this issue. All I want to do is backup my laptop using the new hard drive with time machine.
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Jan 24, 2010
My LaCie BigDisc HD won't mount on the desktop of my MacBook Pro. Is there some other place I can find and open the icons, or is there another procedure to follow to correct this problem?
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Jun 30, 2008
I have an older Mac G4 running OS X (10.4.11) and I have three internal hard drives, one of which will not mount. I can hear it spinning up and trying to mount, but it won't.Is it trashed? I've tried everything I know to get it to mount. Is there a way that I can at least recover some files that are on it?
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Jun 12, 2012
Accidentally ejected 4 partitions of the terrabyte hard drive, and it's not on my disk utility list anymore, nor will it show at start up. I've unplugged, slid it out a little, snapped it back in, but still no sign of it.
Info:Mac OS X (10.4.11), Dual 1.8 G5, 2.5 GB DDR SDRAM
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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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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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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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