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Currently, when I restart from Windows to Ubuntu, or if I hibernate Windows and boot Ubuntu, I can't access my Windows partition.

I have to restart from Ubuntu to Windows, then shut down Windows, then boot Ubuntu again.

Is there another way around this?

Error mounting /dev/sda5 at /media/user/Windows8_OS: Command-line `mount -t "ntfs" -o "uhelper=udisks2,nodev,nosuid,uid=1000,gid=1000,dmask=0077,fmask=0177" "/dev/sda5" "/media/user/Windows8_OS"' exited with non-zero exit status 14: Windows is hibernated, 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.
g_p
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sublimelaconic
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1 Answers1

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This is because Windows (since version 7 or 8?) uses FastBoot to speed up its boot process. Therefore it uses kind of hibernation, which keeps the partition in an "in use"-state somehow and prevents Ubuntu having full access on it.

Solution: Just disable the FastBoot option in Windows!

Byte Commander
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  • I have actually disabled that a long time ago. Hmm. – sublimelaconic Feb 03 '15 at 14:14
  • Strange. Better check it again (sometimes updates etc do stuff they shouldn't...)! Could you also describe in more detail what error messages you get when you try to mount/access the partition (and how)? Thank you. – Byte Commander Feb 03 '15 at 14:20
  • I updated my original post with the error message. I am accessing the Windows partition directly through the Files explorer (or whatever it's called) of Ubuntu. – sublimelaconic Feb 03 '15 at 14:34
  • The file browser of Unity is called Nautilus. And according to the error message, it IS a problem with hibernation/FastBoot! Did you check it again? You should be able to mount the drive read-only anyways, if that would be enough for you. – Byte Commander Feb 03 '15 at 14:39