Ubuntu – Unable to mount Windows 10 partition; it “is in an unsafe state”

16.04mountpartitioningunmountwindows 10

I have both Ubuntu 16.04 LTS and Windows 10 Pro installed and I use them both very often.
Sometimes, when using Ubuntu, I can see and use Windows partitions also. But sometimes, I cannot. I dont know why?

Ubuntu gives the error:

Error mounting /dev/sda5 at /media/mani/0AC217250AC21725:  
Command-line `mount -t "ntfs" -o "uhelper=udisks2,nodev,nosuid,uid=1000,gid=1000" "/dev/sda5" "/media/mani/0AC217250AC21725"' exited with non-zero exit status 14:  
The disk contains an unclean file system (0, 0).  
Metadata kept in Windows cache, refused to mount.  
Failed to mount '/dev/sda5': Operation not permitted  
The NTFS partition is in an unsafe state. Please resume and shutdown Windows fully (no hibernation or fast restarting), or mount the volume read-only with the 'ro' mount option

Although I have shut it down many times, it still gives me this error.
Please help so that I can use the two operating systems easily.

Best Answer

  • You need to disable the "Fast Startup" feature. To quote the How-To-Geek:

    Open up your power options by hitting Windows+X or right-clicking your Start menu and selecting Power Options. In the Power Options window, click “Choose what the power buttons do.”

    enter image description here

    If this is the first time you’ve messed with these settings, you’ll need click “Change settings that are currently unavailable” to make the Fast Startup option available for configuration.

    enter image description here

    Scroll to the bottom of the window and you should see “Turn on fast startup (recommended)"

    enter image description here

    Uncheck the "fast startup" box.

    Then, shut down Windows 10, and you should be able to mount the NTFS partition from Ubuntu just fine.

    How-To-Geek quotation taken from here.

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