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  1. #1
    Platinum Lounger
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    Ejecting a memory key

    I can't be the first to choose "Eject" over "Format" after a finger-slipping right-click on a memory key in Windows Explorer.
    I might be the first to ponder the utility of this act.

    Once "ejected", the key remains physically embedded in the USB port (a great relief to any cat that might be within range!) but is no longer visible in Explorer.
    Thus it seems that to eject a USB memory key is to render it unavailable until intervention by a human operator.
    The first task that comes to mind is booting or installing software from a USB memory key. The auto-routine's last act would be to eject its host device.

  2. #2
    Plutonium Lounger
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    Re: Ejecting a memory key

    The "Eject" option corresponds to the "Safely remove hardware" option when you click the notification area (systray) icon for the USB device. It makes sure that all read/write operations have finished.

  3. #3
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    Re: Ejecting a memory key

    >It makes sure that all read/write operations have finished.

    Right, but it seems to me to do more than that.
    It corresponds to the old "Unload Tape" that forced an operator intervention, back in the Good Old Days(TM).
    (Wanders off to browse for photos of a 4xtape IBM 1401 ..........)

  4. #4
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    Re: Ejecting a memory key

    Yes, it dismounts it too.
    Regards,
    Rory

    Microsoft MVP - Excel

  5. #5
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    Re: Ejecting a memory key

    Is there a way to remount the device, other than physically removing, and inserting the drive again?

    In my wonderful world of linux, I issue a mount command to do this.
    Christopher Baldrey

  6. #6
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    Re: Ejecting a memory key

    >Is there a way to remount the device, other than physically removing, and inserting the drive again?
    Not as far as I know, which prompted my feelings of "Great way to force user intervention before any other operation on that device".

    >In my wonderful world of linux, I issue a mount command to do this.
    Yeah?
    Well in [iWindows[/i] we get a personalised message.
    Almost.
    It has a cancel button, anyway.

  7. #7
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    Re: Ejecting a memory key

    I just looked at an ejected USB disk in Device Manager, hoping that a device scan would re-enable it. No such luck. I then disabled and re-enabled it in device manager, to see if this would bring it back to life - now windows says I have to reboot my laptop before it'll talk to it again!

    StuartR

  8. #8
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    Re: Ejecting a memory key

    >I have to reboot my laptop before it'll talk to it again
    Prompting not only real operator intervention, but remote operator intervemntion (in that I reply to your predicament).

  9. #9
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    Re: Ejecting a memory key

    Thanks for checking... I hadn't found a way to do it either.
    Christopher Baldrey

  10. #10
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    Re: Ejecting a memory key

    <hr>Is there a way to remount the [USB] device, other than physically removing, and inserting the drive again?<hr>
    You might look into DEVCON with the parameter RESCAN, perhaps? (Not had to do this myself...!)
    <font face="Script MT Bold"><font color=blue><big><big>John</big></big></font color=blue></font face=script>

    Ita, esto, quidcumque...

  11. #11
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    Re: Ejecting a memory key

    A rescan from within Device Manager doesn't help, so I doubt that the DEVCON tool would do any better.

    I even tried showing hidden devices in Device Manager, uninstalling the USB disk, and doing a rescan. Nothing seems to work other than removing and reinserting the device.

    StuartR

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