Updated to 1803 via Windows Update - now D: OEM partition is showing Solved

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  1.    30 Apr 2018 #1

    Updated to 1803 via Windows Update - now D: OEM partition is showing


    Hello all,

    I've just updated my laptop via Windows Update to 1803 - I suppose I could have waited, but I have working backups stored so I am not that fussed about installing the latest update.

    On first boot the system actually feels a lot faster, smoother, just a better experience. Then I got a notification in the Action Centre of low disk space on Drive D: - which would be fine, but I don't have a D: drive.

    So I looked in Explorer and sure enough I now have a 450MB D: drive with 45MB left. I looked in Disk Management and it looks like it's the OEM or recovery partition. It never showed before, so can't think why it would now.

    This is clearly an issue from installing the 1803 update, but how do I hide the drive again, and also is this likely a deeper problem or nothing to worry about?

    Thanks
    Click image for larger version. 

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      My ComputersSystem Spec


  2. Posts : 1,435
    W10 pro x64 and W8.1 x86
       30 Apr 2018 #2

    I think you can hide the drive by simply not giving it a drive letter. Right click the D drive in the disk management console and see if you can remove the letter.

    You could also I think just delete the partition (so its unallocated), again from the disk management console.
      My ComputerSystem Spec

  3. AndreTen's Avatar
    Posts : 15,258
    Windows 10 (Pro and Insider Pro)
       30 Apr 2018 #3

    Mooly said: View Post
    I think you can hide the drive by simply not giving it a drive letter. Right click the D drive in the disk management console and see if you can remove the letter.

    You could also I think just delete the partition (so its unallocated), again from the disk management console.
    Just delete the drive letter. Leave the partition, It's recovery partition. Same happened with Insiders 17133 build. MS will probably fix the naming with Cumulative update in the next days. Nothing to worry
      My ComputersSystem Spec

  4.    30 Apr 2018 #4

    Thanks for the ultra fast responses to this!

    I've had a look at trying to delete the drive letter as you have both suggested, in Disk Management's right click menu. Problem is, when I right click on the D drive, there is no menu like there should be:

    Click image for larger version. 

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      My ComputersSystem Spec

  5. AndreTen's Avatar
    Posts : 15,258
    Windows 10 (Pro and Insider Pro)
       30 Apr 2018 #5

    Give it a restart (or two).
      My ComputersSystem Spec

  6. Brink's Avatar
    Posts : 33,812
    64-bit Windows 10 Pro build 18282
       30 Apr 2018 #6

    Hello Alex, :)

    If the above doesn't help, then you might see if you may be able to use Option 2 or 3 below to remove the drive letter.

    Remove Drive Letter in Windows 10 Windows 10 Tutorials
      My ComputersSystem Spec

  7. AndreTen's Avatar
    Posts : 15,258
    Windows 10 (Pro and Insider Pro)
       30 Apr 2018 #7

    Brink said: View Post
    Hello Alex, :)

    If the above doesn't help, then you might see if you may be able to use Option 2 or 3 below to remove the drive letter.

    Remove Drive Letter in Windows 10 Windows 10 Tutorials
    Was just typing the same :)
      My ComputersSystem Spec

  8. Brink's Avatar
    Posts : 33,812
    64-bit Windows 10 Pro build 18282
       30 Apr 2018 #8

    Lol
      My ComputersSystem Spec

  9. Yuuyatails's Avatar
    Posts : 6
    Windows 10 Pro build 1803 (64-bit)
       30 Apr 2018 #9

    As soon as I noticed that the OEM partition shown up in the drive list and had assigned to the drive letter, I immediately unassigned the partition and set the partition's attribute to 'hide' via diskpart. So far, it hasn't been show up on reboots.

    This is just the workaround, however, as I'm waiting for Microsoft to fix this minor issue. Yes, I said minor issue, as it was nothing more than an annoyance to some users who notice this.
      My ComputerSystem Spec


  10. Posts : 4
    Windows 10 Fall Creators Update
       30 Apr 2018 #10

    Same problem here. I get Drive G:

    No way to remove it, delete it, etc. None of the workarounds work. I do not like having unnecessary drives show up as I also have lots of other things going on. One mistake in drive letter and it can be disastrous for my data or system integrity.

    So silly...
      My ComputerSystem Spec


 
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