Windows 10: Windows unmounts my D: drive on reboot

Windows keeps unmounting my D drive on reboot.How can I get it to keep it mounted?

:)

 

Windows 10 shutdown doesn't unmount despite......

Hi,

Thank you for the update and I apologize for the late response.

I appreciate if you could answer few questions to narrow down to the issue.

• 
  How exactly you are trying to unmount the drive. Is it through Command prompt or from Disk management?
  
• 
  What exactly happens when you try to unmount?
  
• 
  Did you receive any error message while trying to unmount?
  

I suggest you to try the steps given below and check if it helps.

Please close all the Windows before trying the steps.

• 
  Open Disk management.
  
• 
  Right-click the mounted drive that you want to remove, and then click
  Change Drive Letter and Paths.
  
• 
  Click Remove, and then click Yes.
  

Hope the information helps. Let us know if you need further assistance. We will be happy to help.

Thank you.

 

D drive

Hi,

Based on the details you have provided us, it appears that there might be some corrupted contents on the said partition. We can also consider that this is caused by a virus.

For us to check if a certain virus is hiding your files, kindly follow the steps below:

• Type Command prompt in the search bar.
• Type-in the following command:
  
  attrib -h -r -s /s /d D:\*.*
• Press Enter to execute the command.

If you think that there is nothing important stored in it, then we suggest that you reformat your D drive so that you can use the free space for important files.

You can follow the steps below to start with the process:

• Click on the File Explorer.
• Select This PC.
• Right-click on your D drive, then click on Format.
• Follow the on-screen process to finish formatting the partition.

Let us know how it goes so that we can further assist you.

 

UNMOUNTABLE BOOT DRIVE after Windows Update rebooted PC

Hello,

I am a Linux software developer which is not to say I'm wholly unknowledgeable about Windows but I haven't done much "desktop support" since Windows XP. Someone in my household has a Windows 10 PC which they left on Tuesday night and Wednesday morning it had the following blue screen message: "Automatic repair couldn't repair your PC". I'm fairly confident that Windows Update restarted the PC over night. If I click the "Exit and continue to Windows 10" button, I will get a blue screen with the error "UNMOUNTABLE BOOT DRIVE" before it automatically reboots and tries the automatic startup repair.

I've booted the PC with a live Ubuntu disc and Linux has no problem mounting the partitions. I've examined the drive contents and while I don't really know what to look for, there seem to be all the normal folders (Windows, Program Files, etc) and even has the registry files in WINDOWS/System32/config and a backup under RegBack. So I can conclude that the error message "UNMOUNTABLE BOOT DRIVE" is not accurate.

I have also used the command prompt you can get to after the automatic startup repair fails and done all of the things that are often suggested including:
chkdsk /f d:
bootrec.exe /fixboot
bootrec.exe /fixmbr
bootrec.exe /rebuildbcd
sfc /SCANNOW

The chkdsk passes without a single issue reported. The bootrec commands are kind of a ludicrous suggestion since the PC is booting to the recovery menu which means the MBR and boot loader are functioning (and the PC is indeed MBR, not UEFI). The system file checker is the most interesting one as it does 100% of the Verification phase and then immediately fails with the error "Windows Resource Protection could not perform the requested operation".

I made an image of the PC and have reproduced all these issues in a virtual machine so I know there are no hardware issues preventing me from fixing the issue. It's not a big deal for me to reinstall Windows on the PC but I have become obsessed with figuring out this problem of a totally mountable UNMOUNTABLE BOOT DRIVE.

If anyone has further suggestions or knows where there are logs I can look at for more clues to the problem, please respond!

Thank you for your time,
Chris Showers