Hardware :: External Firewire 400 Hard Failing To Mount
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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Mar 3, 2010
I have a fairly new iMac that I upgraded to Snow Leopard a few months ago. It seemed to me that prior to that my external HD worked fine with Time Machine. Since then it is recognized for a short period of time when I connect it, then it disappears. I replaced it with a WD My Book. It worked perfectly for a month and now it has shut down. Has anybody had run into this before? I can't believe that every hard drive fails within a month in the same mysterious way!
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Jun 22, 2010
Last night I heard a couple of clicks and my G5 OS X 10.4.11 Boot Drive became unresponsive, Shutdown. Was able to install System on 2nd Internal. Launched DiskWarrior, which found the bad drive and made Preview Directory. Before had a chance to copy all more clicking started, so Shutdown. This AM swapped the drives in the bays so The Bad Drive is now in the Lower Bay. However now Diskwarrior does not see the damaged Drive nor does Disk Utility.
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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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Jul 15, 2009
I have a Emac G4 1.24mhz which I bought from Ebay, to replace my sons old Imac G3 (He moaned he could not watch Iplayer on it)
The problem I have is that It will not install from the combo drive, the drive mounts any disc so I know it not the drive.
I know the hard drive good (80gb as it came from a Imac G3 which was running Panther 10.3.9 when I swapped the drives over the Emac booted but after a while it would freeze.
I have tried to reinstall Panther but if fails to recognise the cd from a straight cd boot ( when pressing �C� ) and only shows me the broken folder. The only disc the Emac boots from is my G5 IMac install disc but this will only allow me to reformat the drive.( which I have done)
I have also tried to boot from Target Mode using my Imac G5 via a new Firewire cable and the Emac fails to mount. I get the bouncing fire logo on the Emac but that is all.
I have tried to boot and inscert the cable at the same time but this has failed.
Would it be a firmware problem?
It is possible to boot the machine into linux so I could use this os but my son likes Mac OS and been using it since he was two
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Mar 29, 2010
I bought both a TT BlacX and a 1.5 TB WD Caviar Green hard drive to go with it. From day 1, the WD had trouble mounting on my MacBook Pro (10.6.2). If I put my other drive in, a Seagate 320GB 7200.10, it mounts pretty much straight away.
I've tried it on my bootcamp partition on my MacBook, and it also had trouble mounting.
I can see the JMicron USB mass storage device under System Profiler, but it doesn't mount.
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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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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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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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May 21, 2010
I have a few macs running Tiger and Leopard and do not have a hard drive that is filled to more than 20GB of the capacity. Looking for external hard drive solutions. I have found a couple of very good drives that only have FW 400 and USB 2.0, one in particular is a older model G-Drive 500GB for $50 that is supposed to be quite reliable. These drives are being blown out due to newer ones have esata and fw 800. Would I see a difference in speed cloning or backing up to a a fw 400 drive even if I get a newer mac that only has fw 800 ports and I use a 400-800 adaptor? The better drives are faster 7200 RM vs the slower 5400 drives, mostly portable that I have been looking at. I have been reading posts that for applications such as mine I would not see a difference. For the most part I use the computers for office related tasks including Word, Excel etc with not much else, although I have some different utility programs. I just want a bootable drive should my hard drive fail. I use Carbon Copy Cloner to clone my drives. My main comp has two drives where the primary is cloned to a secondary, but want a external that I can easily plug into a new mac and clone the hard drive in that Mac to my external drive!
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Sep 9, 2008
I am having trouble saving anything to my external firewire hard drive. This started a few weeks ago. I am able to retrieve use but not modify any file on the drive. I have tried changing permissions but no luck.
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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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Sep 6, 2010
Has anyone seen anything indicating that there are any new (higher capacity) drives on the horizon in with a 2.5" external FW800 format?
I'm slightly confused why many of the big brands have stopped at 500GB or 640GB drives in their FW800 models. The G-Drive Mini only goes to 500GB, while the WD Passport Studio stops at 640GB. WD do have 2.5" drives at 1TB, and have dine for months, but they're only available in USB2 models.
Any ideas why they all seem to stop short of their highest capacity drives for the faster interfaces? The only ones i can find with 1TB 2.5" drives are the Seagate GoFlex (which i'm not sure about with the swappable interfaces, i've nearly bought one a couple of times but then changed my mind at the last minute), or a couple of companies i've never heard of before who have drives way above the expected price.
Ideally someone will have seen news from WD or G-Tech or someone indicating that new products are on the way. Otherwise, i may end up having to get the GoFlex.
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Jan 17, 2009
After a fiasco with two firewire hard disks (the courier company lost them), I have to purchase an external firewire HD. Once the insurance company refunds my money (which can take up to 90 days), I still want to get the other 2 disks I ordered. Is there a limit on how many firewire drives I can daisy chain? I was thinking on having all 3 hard drives daisy-chained to my iMac.
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Mar 22, 2009
I am in need of an external hard drive for backups of my new 24" iMac due to arrive on Wednesday March 25. I am moving from the PC works (old Dell) and will need something larger than the old one I have for the long term. I have an old external hard drive case and a 250GB ATA hard drive inside I can use for the time being with the new Mac if I reformat it.
That said, I would like to get a drive that is at least equal to what is in the iMac with is 1 TB. I have read a lot of postings and believe I will get a Western Digital MyBook for Time Machine backups (unless someone has a better alternative). Is there any reason to get the Studio 1 or II (FW 800) over the Essential (USB 2.0) for my purposes - backups only? The price difference is $40-80 for equivalent drive space with connections being the difference.
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May 3, 2009
If I connect my Western Digital 500 GB external hard drive up to a computer using the USB port, then can I daisy chain a firewire camcorder to the hard drive and use it with the computer? Or is that impossible?
I hate the fact that the Macbooks don't have firewire, other then the white one. or the Pros.
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Jul 23, 2009
I just got a new hard drive for my Black macbook 2,1 and no i need a good external hard drive to put my old hard drive. Do you guys have any recommendations, I'd like to get something that has firewire and usb.
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Jul 1, 2012
I have a Firewire 800 external hard drive and need to connect to my new MacBook Air. Where can I get the correct cable?
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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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Nov 30, 2008
My external drives transfer very slowly on my MacPro. I've been searching for answers and have turned up very little.
Just to make a note, I measured my disk speeds with both AJA System Test and copying files between drives and reading the Disk Activity in Activity Monitor.
I have 3 external drives, all MyBook Premium or Professional, 1x 500GB, 1x 1TB and 2x 1TB in RAID 0. I had them on Firewire 400 and the RAID 0 2TB one on Firewire 800. My transfers on FW were all around 24MB/sec on all drives (much less than what I should be getting with FW400). I then read somewhere that the FW bus on the MacPro uses the slowest speed connected for all FW connections. So I unplugged everything but the FW800 Raid 0 drive and my transfer rate jumped to 40-60MB/sec. This is much better, but still about half or so of what I expect it should be producing from an external RAID 0 setup.
To keep my FW800 backup drive faster, I've plugged the other two into USB2.0. The transfer speeds on both drives are now hideous, around 10-15MB/sec. This is so slow, but I'm not sure what to try to fix my speeds.
The HD's in the external drives are all 7200rpm, and all should be transferring at a higher rate. Do you have any suggestions or ideas? Ideally I'd like to get everything transferring at rates they should be transferring at, but I'll settle with my current FW800 speed of 40-60MB/sec if I can get my other two drives transferring at a non-snail pace.
Is this a common issue? I can't believe I'm the only one plugging multiple external hard drives into their Mac Pro. I hope someone has a fix or solution for this. I'm all ears!
System: Mac Pro (early 2008) Mac OS X (10.5.5) 3.2Ghz 8-core - 16GB Ram - 4x1TB SATA - GeForce 8800GT - Dell 30" 3008WFP A02 - Gateway 21" FPD2185W - 3xMyBook external drives
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Feb 21, 2009
Macbook Pro 17" Core 2 Duo 2.33GHz. Following a logic board replacement for a separate issue. I have two external Firewire 800 Hard drives (two separate brands and sizes) which have suddenly started unmounting randomly and giving the 'hardware removal error'. A few seconds after unmounting they mount again, only to unmount a minute later with the error again. It is now doing this in a loop.I have done the following things:
1. rebooted and checked all cable connections
2. I have tried this with the two disks plugged in separately and daisychained.
3. I have tried two separate Firewire 800 cables.
4. running the Disk Utility.
5.installing the system from scratch on a freshly formatted internal disk.
6. reinstalling again with an archive and install.
Everything seems to work fine with a Firewire 400 connection.The only software setting that I changed is to disable the "Put Hard Disks to Sleep when possible" option in the Energy Saver system prefs. Any connection? I have enabled this again and so far (a couple of hours) so good.Should I be looking at a hardware issue
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Jun 29, 2014
I want to get one of those hard disk 'holders' that allows you to plug an internal-type hard disk into the USB or Firewire port of another laptop. I want to know if they need to be specific to the type of hard disk/laptop or if they're more of a one-size-fits-all type of thing. The hard disk is a solid state type that I installed in a mid-2010 model MacBook which has now failed. I want to connect it to a 2005-model PowerBook G4. Can this be done and what do i need to buy to do it?
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