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Q: "Disk Not Ejected Properly" error after EL Capitan goes to sleep and wakes up again.

Hi, community.

 

On public launch day, I upgraded my Macs (Mid 2010 MacBook Pro 15", Mid 2012 MacBook Peo 15", Late 2011 MacBook Air and a Mid 2010 Mac Pro) to OS X El Capitan. In general terms, the upgrade process went smooth.

 

But, I've been presenting an annoying problem:

 

Each time any of my computers go to sleep, if they have an external hard drive connected to an external USB Hub (unpowered), they present a "Disk Not Ejected Properly" error after they wake up again.

 

I didn't have any of these issues with Lion, Mountain Lion, Mavericks nor Yosemite! Only now, when I upgraded to El Capitan, things are getting annoying.

 

Does any one else present the same issues and, do you have a solution to this problem.

 

Thanks for reading.

MacBook Pro, OS X El Capitan (10.11)

Posted on Oct 2, 2015 9:38 PM

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Q: "Disk Not Ejected Properly" error after EL Capitan goes to sleep and wakes up again.

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  • by Jim Show,

    Jim Show Jim Show Apr 12, 2016 8:50 PM in response to Kelly Crossley
    Level 1 (34 points)
    Mac OS X
    Apr 12, 2016 8:50 PM in response to Kelly Crossley

    Yes, What the heck is going on???

    Screen Shot 2016-04-12 at 11.41.33 PM.png

    All of these drives, my hub and iMac were all purchased a month ago. It's all the fastest I could buy. USB 3.0, Thunderbolt 2, 7200RPM drives... A Late 2015 Retina 5K iMac... Why is the system profiler even bringing USB 2.0 into the equation? What is up Apple?

     

    When I replied to Myaka earlier, one drive was at the top of this tree in the "USB 3.0 Bus" section and the other was under the USB 2.0 hub listing.  After a sleep/wake cycle, they now both register in a USB2.0 hub. So bizarre.

  • by Kelly Crossley,

    Kelly Crossley Kelly Crossley Apr 12, 2016 8:49 PM in response to Jim Show
    Level 3 (720 points)
    Mac OS X
    Apr 12, 2016 8:49 PM in response to Jim Show

    I'll call G-Technology tech support tomorrow and see if they know anything. There's a genius there named Louie, who is incredibly well versed in this stuff.

  • by linda2009,

    linda2009 linda2009 Apr 12, 2016 8:50 PM in response to Jim Show
    Level 1 (66 points)
    Mac OS X
    Apr 12, 2016 8:50 PM in response to Jim Show

    I'm curious, Jim and Kelly,

    What does this Mac Specs site show for your models?

    http://www.everymac.com/

     

    Does it rule out that the model does not / should not have usb 2.0 port?

  • by Kelly Crossley,

    Kelly Crossley Kelly Crossley Apr 12, 2016 8:55 PM in response to linda2009
    Level 3 (720 points)
    Mac OS X
    Apr 12, 2016 8:55 PM in response to linda2009

    Here's another screen shot that shows the chain better (see the bottom). Linda, everymac.com reports that my MacBook Pro ONLY has USB 3.0 ports, so I have no idea why the OS is reporting a USB 2.0 Bus. I can understand USB 2.0 devices, but not a USB 3.0 Bus. http://www.everymac.com/systems/apple/macbook_pro/specs/macbook-pro-core-i7-2.3- 15-mid-2012-unibody-usb3-specs.html

     

    Screen Shot 2016-04-12 at 11.50.31 PM.png

  • by Jim Show,

    Jim Show Jim Show Apr 12, 2016 8:53 PM in response to linda2009
    Level 1 (34 points)
    Mac OS X
    Apr 12, 2016 8:53 PM in response to linda2009

    Linda, I have a

    Apple iMac "Core i5" 3.2 27-Inch (5K, Late 2015)

    It should have Four USB 3.0 ports. No mention of USB 2.0 anywhere.

  • by Jim Show,

    Jim Show Jim Show Apr 12, 2016 8:59 PM in response to Kelly Crossley
    Level 1 (34 points)
    Mac OS X
    Apr 12, 2016 8:59 PM in response to Kelly Crossley

    Kelly,

     

    Look under the "Storage" Tab. One of my G-Drives is listed as "Internal : Yes" in the bottom right pane while the other one is listed as "Internal : No"

     

    Both are external, plugged into the same hub. Is yours listed internal or external?

     

    This is all so strange.

  • by Kelly Crossley,

    Kelly Crossley Kelly Crossley Apr 12, 2016 9:05 PM in response to Jim Show
    Level 3 (720 points)
    Mac OS X
    Apr 12, 2016 9:05 PM in response to Jim Show

    My G-Drive is listed as external.

     

    Yes, indeed. This is becoming stranger with every post. I'm tempted to do a SMC reset, but my drive is working so well I don't want to screw it up. I need an app to test data transfer speeds so I can see how fast the bus really is.

  • by linda2009,

    linda2009 linda2009 Apr 12, 2016 9:09 PM in response to Kelly Crossley
    Level 1 (66 points)
    Mac OS X
    Apr 12, 2016 9:09 PM in response to Kelly Crossley

    That is strange.  The G-drive is clearly a 3.0 drive.  And it is showing USB 2.0 Bus.

     

    Mine all show up as USB 2.0 Bus (which is what they should be).  I have a 3.0 flash drive connected and it reports that correctly.  I am currently running El Cap 10.11.3.

     

    I've always had such trust that System Information was reporting everything correctly.

  • by Jim Show,

    Jim Show Jim Show Apr 12, 2016 9:44 PM in response to goye
    Level 1 (34 points)
    Mac OS X
    Apr 12, 2016 9:44 PM in response to goye

    OK, now after resetting the NVRAM I have tried sleeping and re-waking my iMac two times. The first time resulted in the (previously unaffected) USB 3.0 G-Drives to both be ejected spontaneously and then remounted by themselves. I did a backup and then slept everything again. This time, all three external drives have come back... That's TWO sleep/wake cycles and TWO successful remounts of the thunderbolt drive. (The one that hasn't remounted after sleep in the past month.)

     

    So resetting the NVRAM has done something. Fingers crossed.

  • by JNewHome,

    JNewHome JNewHome Apr 12, 2016 10:25 PM in response to Jim Show
    Level 1 (9 points)
    Apr 12, 2016 10:25 PM in response to Jim Show

    Hi Jim,

     

    My setup is similar to yours and I am experiencing exactly the same problems... but only after updating to El Capitan.

     

    My setup is like this:

    Late 2014 iMac 27" 5K, i7

    Easy Acc USB 3.0 Hub

    LaCie Thunderbolt 2 2big 12TB, running in RAID 0 (Hardware-Raid) connected to Thunderbolt Port

    BenQ V2400W Monitor connected to the other Thunderbolt Port via Apples DVI adapter

    WD 6TB MyBook USB3.0 connected directly to a USB Port on the Mac

     

    The LaCie is ejecting itself from time to time with no reason, always after longer sleep periods. Mountain.app helped a little (error messages are not after every sleep), but the drive disappears after longer sleep periods. only plugging it out and in again makes it work again.

     

    So far no Problems with the USB connected WD, but this is only connected while I am doing my CCC backups.

    Other USB issues are a Superdrive that does not work if it is plugged in while the system is running. It will only accept discs after a restart. Discs cannot be ejected by pressing the eject Key on my Keyboard at all.

     

    My system came with Yosemite, I have been running it for 9 Month without any Problem. This points directly to El Capitan. Called the Apple Help, all suggestions are also posted here but no change in the end.

     

    So like you I am pretty messed up with El Cap. I am hoping that Apple will do something soon.

  • by myaka,

    myaka myaka Apr 13, 2016 7:08 AM in response to Kelly Crossley
    Level 4 (2,472 points)
    Desktops
    Apr 13, 2016 7:08 AM in response to Kelly Crossley

    Jim and Kelly -- System Report on my machine shows my drives connected to a USB 3.0 bus, which is not native to my Mac Pro.  I do have the sense that the reporting there may not be connected to the issue -- there have been misreported items in its prior iterations.  Here's mine, fwiw:

    screenshot_03.jpg

     

    Only the drives connected via the USB-SATA bridge in my Xiaboi dock disconnect.  Two other external drives (Sans Digitals), connected to the same PCI-E USB 3.0 card, one directly and one through a powered USB 3.0 hub, do not ever spontaneously unmount.  I may have to blame my issue on the Xiaobi, but the strange, similar experiences others have appear to point to a possible OS X issue.

     

    Kelly -- btw -- I have reset NVRAM multiple times without effect.  I haven't reset the SMC yet...

  • by Jim Show,

    Jim Show Jim Show Apr 13, 2016 7:46 AM in response to myaka
    Level 1 (34 points)
    Mac OS X
    Apr 13, 2016 7:46 AM in response to myaka

    I am at 4 sleep/wake cycles now without an ejection of any external drives. This is after resetting the NVRAM. I never reset the SMC. Things are definitely different after the NVRAM reset.

     

    IN the midst of all my attempts to fix this problem and find a workaround, I installed Mountian app and it didnt work at all. Oddly, it also showed one of my external Gdrives as "internal". When I unmounted my thunderbolt drive with Mountain it was unable to locate or remount it after waking from sleep. When I first reset my NVRAM and had my USB 3.0 Gdrives unmount and remount themselves, I believe it was Mountain causing the trouble because it had just restarted itself when I logged in after restarting. I quit Mountain and trashed it and have not had an ejection since. Also, their tech support apparently does not exist. Total waste of $6 for me.

  • by Kelly Crossley,

    Kelly Crossley Kelly Crossley Apr 13, 2016 8:19 AM in response to Jim Show
    Level 3 (720 points)
    Mac OS X
    Apr 13, 2016 8:19 AM in response to Jim Show

    That's good news. How does one reset the NVRAM on a MacBook Pro?

  • by linda2009,

    linda2009 linda2009 Apr 13, 2016 8:30 AM in response to Kelly Crossley
    Level 1 (66 points)
    Mac OS X
    Apr 13, 2016 8:30 AM in response to Kelly Crossley
  • by Kelly Crossley,

    Kelly Crossley Kelly Crossley Apr 13, 2016 8:40 AM in response to linda2009
    Level 3 (720 points)
    Mac OS X
    Apr 13, 2016 8:40 AM in response to linda2009

    Basically a double PRAM reset. Thanks!

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