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7 Umounts External Drive During Large Transfers?

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share|improve this answer edited Mar 21 '11 at 8:25 answered Mar 21 '11 at 8:19 Vassilis 1,89452448 4 Copying files on any file system does not unmount a drive. About 20 times today. After following the articles guideline's about what to do and still having the problem, I tried something different: Instead of connecting the drive directly to my computer's USB 3.0 ports I The card is GREAT and ATTO shows the drives running just as fast on the Startech Card and they do on the Intel MB ports with the Intel USB 3.0 drivers. my review here

What I fail to understand is why the HUB connection suddenly failed. It happens with my MacBook Pro so often that I can't use the Time Machine. If I select about 5-8 folders at a time, it works fine. General Discussion BSOD when running handbrake or during large file transfersThis is a computer that I built a couple of months ago and it consistently crashes when running handbrake, not every https://answers.microsoft.com/en-us/windows/forum/windows_7-hardware/usb-drive-disconnect-during-large-transfer-also/95edcf8e-3bc8-4e35-befd-9850aa5224d2

The Disk Was Not Ejected Properly Mac External Hard Drive

Install it and then run the program. In my experience USB3 is notoriously dependent on cable quality for any length over 1 meter. I think I should take each of the drives in question and connect them to the old PC's USB 3.0 card and see if the problem moves with the drive.I guess I'm also sure that none of them is longer than 1.5 m; in fact, the cable from the enclosure is about 90 cm long... #5 AnitaPeterson, Feb 18, 2013 Insert_Nickname

After several attempts, I got all the files transferred but I wish I hadn't bothered. Join Date Feb 2011 Beans 136 DistroUbuntu 11.04 Natty Narwhal Re: External hard drive keeps unmounting have you tried running a chkdsk or fsck on the drive for errors? Never had the problem when plugged into my new Mac Pro. Keep Drive Spinning No need for longer cables in my setup.

This HAS to be something to do with Time Machine unmounting the drive!! I also have a NewerTech USB 3 Universal Drive Adaptor that can handle ATA/IDE/ATAPI drives in addition to SATA drives. But sometimes when I get back to my iMac, the ext drive has already unmounted, not sure for how long since the icon is not there anymore.I just have to turn http://www.sevenforums.com/hardware-devices/20118-7-umounts-external-drive-during-large-transfers.html My guess is that the problem occurs because of defects in the drive or dust in the USB port.

Even if you have already formatted your drive, problems may have cropped up that are not being detected by Disk Utility's drive verification routines. External Hard Drive Keeps Disconnecting Mac The USB 3.0 port driver may also be a factor. So, my current #1 hypothesis as to why my drives were spontaneously ejecting relates to HEAT. Related 2USB flash drive not recognized1Can't set permissions for USB drives?7Can't mount USB : “Not Authorized”4USB flash drive mount issue0Can't see my flash drive on the Launcher2Usb memory stick won't be

Mac Keeps Ejecting External Hard Drive

As well, most manufacturers offer a range of quality in their drives, which may be a factor in failure rates. https://www.macissues.com/2015/06/01/tackle-external-hard-drives-randomly-ejecting-in-os-x/ After this problem started to occur, I would format it in Windows and use it Ubuntu. The Disk Was Not Ejected Properly Mac External Hard Drive In fact, I just realized that neither of the external Seagates has ever disconnected by itself, regardless of whether it was plugged into a 2.0 or 3.0... 3) By contrast, once External Hard Drive Ejects Itself Mac As stated above, if I plug them into the USB 2.0 ports they stay on NO PROBLEM.

External HDDs keep disconnecting randomly Discussion in 'General Hardware' started by AnitaPeterson, Feb 18, 2013. http://cdhca.org/hard-drive/lost-data-on-wd-external-hard-drive.php it unmounts that quickly! As above poster noted, even during file transfers or streaming movies they will disconnect. Examples of this over time are I have dual monitors and occasionally one will not "activate" Usuallly the unplug/replug thing works but other times it has been more stubborn and required El Capitan Ejects External Drives

solved USB 3.0 Disconnecting and Reconnecting Issue Can't find your answer ? Was having the same thing but not on a laptop.http://www.sevenforums.com/performance-maintenance/148749-external-hdd-keeps-disconnecting-itself.html Eric BentsenNov 24, 2014, 5:22 AM muttalebm said: Hi guys, I had the exact same problem. I run El Capitan 10.11.6 by the way. get redirected here I know for sure that WD uses proprietary cables (on the HDD end), can't remember if the Seagates do as well.

at first I was using a (USB 2) hub, but then I tried plugging it directly into the PC... External Hard Drive Keeps Ejecting Itself Mac I have a Seagate 3 TB external HDD that won't respond much to anything, and I've considered it dead for a week now. Another USB 3.0 flash drive (Mushkin 32 Gb) can be read normally (Windows 8), where the Team 16 Gb drive cannot. #11 vailr, Feb 19, 2013 Last edited: Feb 19,

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For context, I'm running a late 2013 Mac Pro (the cylindrical one) under OS X Yosemite 10.10.5. I'm at a loss because I hadn't backed up when my last HDD went, saved it all with the new LaCie drive, now have been so busy in the last two Page 1 of 2 1 2 Next > AnitaPeterson Diamond Member Joined: Apr 24, 2001 Messages: 5,518 Likes Received: 1 Hi folks, I'm experiencing the damnedest thing... El Capitan Ejecting Hard Drives Tech support from Caldigit confirmed that this is an OSX issue: "Unfortunately the issue exists because of changes Apple made to OS X.

DK July 23, 2016 at 7:40 am I'd like to add a posible solution to a similar issue. Why are the windows of bridges of ships always inclined? Could it just be a busted HDD? http://cdhca.org/hard-drive/external-hard-drive-no-system-files.php Should I contact the manufacturer if their product allows access to other users' location information?

When I transfer files FROM the hard drive to the laptop, it works fine.Other Information and what I've done so far:- The external hard drive is a USB 3.0 device, the While working with different drives I switched up the original cable with a cheap cable that came with a cheap case. I downloaded and installed this file http://downloadmirror.intel.com/19880/eng/USB3.0_allOS_2.1.28.1_PV.exe. General Hardware Mar 20, 2006 Your name or email address: Do you already have an account?

Until relatively recently, I used to buy both external 2 TB drives, as well as barebone drives, used in enclosures and/or HDD docks. All are powered by the BUS (none with external power). Check the "Disable USB 3.0 power management function" then hit ok.