Alan Musgrave

Q: "Disk Not Ejected Properly" error after El Capitan

It's back ... Had the same problem for a few months after installing Yosemite ... but it eventually went away.

 

Now getting this error after installing El Capitan last week. Problem surfaces after my iMac sleeps.

 

Using a Lacie 2TB external on USB3 for Time Machine.

 

If anyone has ideas, similar problem or a fix, please help ... thks.

iMac, OS X El Capitan (10.11)

Posted on Oct 6, 2015 12:24 PM

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Q: "Disk Not Ejected Properly" error after El Capitan

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  • by heroch,

    heroch heroch Nov 11, 2015 2:27 PM in response to Alan Musgrave
    Level 1 (0 points)
    Nov 11, 2015 2:27 PM in response to Alan Musgrave

    Apple Support determined that my drive was bad (because it got the same error on a two different Macbook)! Not giving up hope, I bootcamp into Windows and viola! Windows sees the drive and I was able to copy the files. Don't have enough space though, had to order a drive but at this point I think it is save to assume that the old drive will work again after a reformat. I got this error after upgrading El Capitan as well. Windows just become my lifesaver.

  • by lexayles,

    lexayles lexayles Nov 12, 2015 10:48 AM in response to heroch
    Level 1 (0 points)
    Nov 12, 2015 10:48 AM in response to heroch

    I had the recurring not properly ejected message on an iMac.  The external hard drive was plugged into a USB hub.  I disconnected from the hub and connected to the iMac USB port directly.  That solved the message issue.

  • by Arie Klerk,

    Arie Klerk Arie Klerk Nov 12, 2015 11:21 AM in response to lexayles
    Level 1 (0 points)
    Nov 12, 2015 11:21 AM in response to lexayles

    I have given my external drive its own power supply. Did not solve... Now I also see that it happens in daytime. Even several times during a long sleep period! So contact is lost and regained and lost again... And worse, it also happens on my OS X El Capitan 10.11.2 beta 2, which runs off that external hard disk: OS X crashes and restarts! So, sorry I think it will not be solved on the coming update...

  • by Arie Klerk,

    Arie Klerk Arie Klerk Nov 12, 2015 11:22 AM in response to lexayles
    Level 1 (0 points)
    Nov 12, 2015 11:22 AM in response to lexayles

    My drive is connected directly, no hub. Funny: it happens very irregularly, sometime several times a day, then not at all for two days...

  • by allynfromsan luis obispo,

    allynfromsan luis obispo allynfromsan luis obispo Nov 18, 2015 2:23 PM in response to Alan Musgrave
    Level 1 (1 points)
    Nov 18, 2015 2:23 PM in response to Alan Musgrave

    I too am experiencing this issue: Every morning since the upgrade to El Capitan I see the warning dialog 'not ejected properly'. It happens only during the night, not while my Late 2009 iMac sleeps during day time. I do have my iMac set to shutdown at 11:00 PM and Wake at 6:00 AM. Wishing I hadn't upgrade. Wish I had installed El Capitan as a bootable USB stick or HD so I could have tested it first and learned of all the issues.

     

  • by drdawnmac,

    drdawnmac drdawnmac Dec 1, 2015 1:30 PM in response to Alan Musgrave
    Level 1 (4 points)
    Mac OS X
    Dec 1, 2015 1:30 PM in response to Alan Musgrave

    Another one experiencing this issue. I have a powered (admittedly somewhat old) Iomega USB drive that I use for my Time Machine backups. I started getting the Disk Not Ejected Properly message when waking from sleep. This happens consistently now. Once it happens, the only way to get my drive to mount seems to be to restart.

     

    I have tried:

    - turning off "Put hard disks to sleep when possible" in Energy Saver

    - connecting the drive directly to my iMac, rather than using a hub

     

    No change.

     

    I also got the message once when I was working, so it doesn't seem to be limited to Sleep issues anymore.

     

    Never saw this message before upgrading to El Capitan.

  • by Wicken man,

    Wicken man Wicken man Dec 2, 2015 3:43 AM in response to Alan Musgrave
    Level 1 (0 points)
    Dec 2, 2015 3:43 AM in response to Alan Musgrave

    Hi Alan

     

    have you had any reply that helps to fix this, I get a screenful of "Disk not ejected properly" every time I come back to my Mac. My LaCie is mains powered on a USB3 and as others have commented the problem only started after upgrading to Al Capitan. Maybe Apple should spend some of their zillions we've all contributed to on fixing such basic problems within a more acceptable time frame.

  • by Alan Musgrave,

    Alan Musgrave Alan Musgrave Dec 2, 2015 7:54 AM in response to Wicken man
    Level 1 (14 points)
    Dec 2, 2015 7:54 AM in response to Wicken man

    Hi there .. .No change for me. I've tried all the usual things including using a different USB port on my iMac. I'm plugging the drive in directly to onboard USB and not through a hub. I'm still getting the eject error messages after sleep cycles. Time machine backups seem to be ok as far as I can tell. I had the same problem with the Yosemite upgrade but it was eventually resolved after a few updates.

     

    Is see the "disk eject" error messages the next morning so it's definitely something that occurs while sleeping. I've never had a problem while the system is operating.  I'm hoping the next OS update will address. I also get the occasional keyboard lockup after waking from sleep, although that's intermittant. If I disconnect and reinstall the keyboard it works fine.

     

    Both problems are annoying and I hope there will be a fix coming soon. 

  • by Flashymcbashee,

    Flashymcbashee Flashymcbashee Dec 3, 2015 10:45 AM in response to Alan Musgrave
    Level 1 (0 points)
    Dec 3, 2015 10:45 AM in response to Alan Musgrave

    I am getting a similar problem. I have 2 external hard drives, both Freedom. The small one is fine, but the larger one is consistently ejected with the error message, as soon as I plug it in to the USB port. It works fine on my old macbook air, which is running the original el capitan, but on my macbook pro (upgraded to 10.11.1, it just will not accept the larger hard drive. It shows, and ejects wit the error message, and then shows again a,]nd continues this cycle. It's really annoying that having bought a new bigger hard drive, I can't use it.

    I would really love apple to sort this problem. Does anyone know when the new update is due? Let's hope it's solved then.So frustrated!

  • by Jenkins6736,

    Jenkins6736 Jenkins6736 Dec 4, 2015 10:46 AM in response to Alan Musgrave
    Level 1 (0 points)
    Dec 4, 2015 10:46 AM in response to Alan Musgrave

    Okay, so I have had this problem for awhile now. I have a 2013 iMac, 2008 MacBook, and a 2014 MacBook Air and this problem only seems to happen with my 2014 MacBook Air. I tried finding a resolution awhile back and tried a few things that seemed to help people, i.e.:

    "1. Pull out your ethernet cable and disable WiFi and any other network connectivity you have.

    2. Open Finder, go to your computer and then select you Macintosh HD (or whatever you have renamed it).

    3. Go to Macintosh HD - Library - Preferences

    4. Scroll all the way to the bottom of the list and you will see a folder called SystemConfiguration

    5. Pull this folder onto the desktop.

    6. Go to System Preferences - Sharing and change the name of your computer, even just a little bit.

    7. Reboot

    8. Re-enable Wifi and Ethernet"

     

    Nothing worked so I gave up for awhile and just tried to ignore it. The issue seemed to be getting worse and was ejecting the 4 drives connected to my USB hub every 5 freakin minutes! So today I decided to attempt to fix it again and after reading through countless comments on various threads I saw one person make a mention of clearing their VRAM.

     

    FINALLY! CLEARING MY VRAM WORKED FOR ME!! And I haven't had an ejected disk since!

    You can find instructions on how to clear your VRAM here: How to Reset NVRAM on your Mac - Apple Support

    1. Shut down your Mac.
    2. Locate the following keys on the keyboard: Command (⌘), Option, P, and R.
    3. Turn on your Mac.
    4. Press and hold the Command-Option-P-R keys immediately after you hear the startup sound.
    5. Hold these keys until the computer restarts and you hear the startup sound for a second time.
    6. Release the keys.

    NOTE: After resetting NVRAM, you may need to reconfigure settings for speaker volume, screen resolution, startup disk selection, and time zone information.


    I hope this works for you guys as well!

  • by drdawnmac,

    drdawnmac drdawnmac Dec 4, 2015 3:07 PM in response to Jenkins6736
    Level 1 (4 points)
    Mac OS X
    Dec 4, 2015 3:07 PM in response to Jenkins6736

    Great suggestion. Unfortunately it didn't work for me. :-(

  • by roberthazelby,

    roberthazelby roberthazelby Dec 9, 2015 1:59 PM in response to Jenkins6736
    Level 1 (4 points)
    Dec 9, 2015 1:59 PM in response to Jenkins6736

    I'm going to be tempting fate here, but I tried your VRAM resetting trick on Saturday (5th Dec) morning, and as of 10:00pm on Wednesday 9th I've yet to have the drives disconnect.

     

    No doubt my saying this will cause the drives to drop at a moment's notice.

     

    I'll report back should my external drives start playing up again, but this looks like it's solved it for me.

     

    Many, many thanks.

     

    I'll have to let the fellow members of my local Mac group know how I'm getting on. Some of them are holding off upgrading to El Capitan because of this, and rightly so.

  • by bearoness,

    bearoness bearoness Dec 9, 2015 5:47 PM in response to Alan Musgrave
    Level 1 (4 points)
    Dec 9, 2015 5:47 PM in response to Alan Musgrave

    I have had this problem since I upgraded to Yosemite.  I have two WD My Passport USB 3.0 drives, one for iTunes media and another for Time Machine backups.  The iTunes media drive almost always ejects itself, despite the fact that I have changed the OS settings to not put the machine to sleep (in a pointless attempt to use it as an iTunes Home Sharing server) and also did so in the WD Utilities app.  Still no luck.  I am on the verge of resurrecting my late 2006 iMac to use as an iTunes server!

  • by Alan Musgrave,

    Alan Musgrave Alan Musgrave Dec 9, 2015 6:25 PM in response to bearoness
    Level 1 (14 points)
    Dec 9, 2015 6:25 PM in response to bearoness

    I upped to OS X 10.11.2 yesterday and this morning there wasn't the usual disk eject error messages. Hopeful that it's fixed, but will give it a few more days and see. 


    Has has anyone else noticed amy difference With the new release.

  • by bearoness,

    bearoness bearoness Dec 9, 2015 7:53 PM in response to Alan Musgrave
    Level 1 (4 points)
    Dec 9, 2015 7:53 PM in response to Alan Musgrave

    Thanks!  I will give that a try.  If it ever sees that there is an update, that is!

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