Hardware :: External Hard Drive Spins Up But Won't Mount?
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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Aug 4, 2009
So I have an external hard drive hooked up to my MBP via USB. I've noticed that every now and then (maybe every half hour or hour?) the drive spins up. It's actually really annoying, as the drive makes a loud sound as it spins up.
I can't figure out why it does this; the drive spins up and then goes back idle. Time machine is DISABLED, spotlight index on the drive is DISABLED as well. I use the drive solely for storing movies/music. There are NO applications installed on it. The only apps I have open are finder/preview/safari/firefox/adium/itunes. My guess is that some process is trying to access the drive for whatever reason now and then.
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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 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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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?Â
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. Â
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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: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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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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Jan 7, 2010
My friend gave me his old Apple cube G4 + 15" Cinema display in like 1000 pieces. Its completely teared apart. I tried a lot, but it doesn't work. The original IDE cable wasn't included, so I bought one for 2 cents. It should work or not? Maybe the powersupply. I'm not sure. I don't believe actually that the hardware itself, like the motherboard is broken. When everything is into place and I connect the cube to the powersupply it boots immediately. I don't have to do anything. Harddrive spins and the superdrive makes some noise as well. This repeats itself every 5 seconds. The screen is connected and gets power through DVI, but no display. Both the cube and display have touch enabled buttons to switch it on, but they do not respond (I guess).. Motherboard gives 2 light. DS1 is green, DS2 is red.
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Jun 23, 2012
Why does the internal hard drive in my MacBook Pro spin up at seemingly random times? The activity monitor shows high data rates to and from the drive.
Info:MacBookPro, Mac OS X (10.6.8)
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Jun 15, 2012
So my girlfriend boss wanted me to fix her computer. So I brought it home turned it on, and it didnt chime but it booted to the gray screen with apple logo/ slashed circle/and folder with a "?" So I made a USB Mac OS x bootable drive (FLASH) held down alt (try using a windows keyboard its fun) was able to select option and install a fresh copy. all seemed well was running really hot so I poped of the screen. HOLY MOLY! this thing is CAKED with dust, and I am not kidding it has literally piles of dust. So I ran updates, and did firmware updates. Turned it off for the night. Â
The next morning I went to radio shack and got Dust remove spray, opened it up made sure I was carful taking off the screen, and blew the sucker out. now its NICE and CLEAN. then i made sure I plugged everything in and turned it on. Drive spun like normal, Optical checked for a CD, and fans are also running normally. but no chime, no nothing stays as silent as normal but doesnt budge, it is like it hangs. Â
Info:
iMac, Mac OS X (10.7)
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Jul 17, 2009
A while back I was running low on hard disk space so decided to upgrade my hard drive. Went ahead and upgraded to 320Gb. Then after some time, I noticed that the hard drive was making a large spinning noise so I thought it was a bad drive and RMA'd it. I just recently got the new drive and installed it and the drive was making that same loud spinning noise. Now I'm frustrated with this and want to get to the end of it. I'm thinking it might be the rubbers are out of place that holds the drive.
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Sep 8, 2009
My hard drive crashed after about a year and a half. So I bought a new one and installed it myself. When I turn on my mac now and hold C with the install disk in the drive it just spins for a while below the apple and then goes to the gray please restart your computer screen.
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May 1, 2010
I've noticed recently that when my imac is sleeping it's HDD spins up, crunches a bit like it does and then power down again. The screen and everything else is off, just the HDD comes on. Does anyone know what this could be? It's happened a couple of times in the last week. It's the Seagate drive BTW.
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Dec 28, 2008
I have a 2008 Mac Pro with the original OSX drive and then two other hard drives, one I use for Boot Camp/Fusion and the other for my work files. Under Energy Save in system preferences, I have it so that the drives will sleep whenever possible. The issue I'm having is one of the drives, I think the one with my work files, will wake from sleep every 15 minutes or so even if I'm not accessing any of the files. I haven't timed it exactly but it's around 15-20 minutes and happens throughout the day. What is causing the drive to wake? I disabled iStat Pro because before the drives would spin every time I checked my dashboard so that's not the problem anymore.
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Aug 21, 2009
I put it on Craig's list so wanted to wipe the drive and figure I'd play around with OS 9 a little just for fun. While in OS 9 it prompted me to upgrade the firmware on the DVD-ROM drive. I thought that sounded like a good idea since it makes some terrible noises when a disc is in... anyway, I did the firmware upgrade and everything went fine. That's the only real change I can think of that might have contributed to this new issue.Anyway, after that I put 10.3 on it again (I had 10.4 on it before) and it wouldn't sleep correctly. Everything looks like its going to sleep ok, then the hard drive spins up, then back down, over and over again endlessly.
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Aug 24, 2009
I am enjoying my Time Capsule and have kept it in front of me for the last week to see how it behaves. I have noticed that when I attach my other external hard drive to it it will behave exactly like the Time Capsule. By this I mean that after 2 minutes of inactivity they will both spin down but when it is backup time in an hour both will start up simultaneously and my attached external hard drive will get to speed and instantly shut off again while the TC does it's thing. My questions are, can this be stopped and why is it doing this? Surely it would not spin up the external drive along with the TC as spinning it up 12 times a day isn't doing the external drive any favors...
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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). Â 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). Â
I can see the drive in Disk Utility and repair the permissions (it's also located in the System Profile). Â
I tried a few things I read in the community using various Terminal commands but was unsuccessful. Â Â
(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)Â
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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