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Actually there is a similar question on the community before as well but what I am facing is a different problem. Also there the person has not properly posted the status of his grub. Actually I installed windows 8.1 on my laptop & it was working fine. Then I installed Ubuntu on another partition & as per the instructions again booted using live usb of Ubuntu to repair GRUB using boot repair. You can find the boot repair report . But now the GRUB menu is not showing Windows option at all & I am unable to boot into Windows. Please help me - it's urgent!! Any kind of help will be appreciated.

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3
  • Usually you have to select which OS to boot in your BIOS, under teh UEFI boot menu. Location varies by BIOS
    – Panther
    Feb 25, 2015 at 4:35
  • Can you elaborate a little more...
    – Madhusudana
    Feb 25, 2015 at 4:37
  • askubuntu.com/questions/221835/… - see the TROUBLESHOOTING section. In your case , the bios is selecting Ubuntu rather then windows. As i said it varies by BIOS
    – Panther
    Feb 25, 2015 at 4:39

3 Answers 3

Reset to default
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Windows 8 does not shut down properly by default. I suspect this is your problem. In your code I see:

Failed to mount '/dev/sda3': 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.
mount /dev/sda3 : Error code 14
mount -r /dev/sda3 /mnt/boot-sav/sda3

Try mounting as suggested and run

sudo update-grub
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  • Actually mount both sda1 and sda3
    – Carl Fletcher
    Feb 25, 2015 at 3:46
  • 1
    I am a new user - can you please tell me how to mount.
    – Madhusudana
    Feb 25, 2015 at 4:24
  • I tried to mount but it's showing the following message - "Windows is hibernated, refused to mount. Failed to mount '/dev/sda3': 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."
    – Madhusudana
    Feb 25, 2015 at 4:35
  • Did you: mount the volume read-only with the 'ro' mount option
    – Carl Fletcher
    Feb 25, 2015 at 4:44
  • Another option. And I'm not sure of the result. Is to completely power down - remove power supply and battery. The boot back to Ubuntu and try update-grub again
    – Carl Fletcher
    Feb 25, 2015 at 4:47
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First of all thanks to Carl for providing a hint - big hint. Actually my drives were not getting mounted even by using mount -r /dev/sda3 /mnt/boot-sav/sda3 but then I serached over net. I found out that my windows was not properly shutdown previous time, so the grub is showing trouble. So, I needed to manually mount the partitions & to achieve that I had to go to Disks tool in Ubuntu & follow the following steps as given in this link. Then, I went to GRUB configure(has to be downloaded) to set the display resolution to 680*480 minimum. Then grub starts showing Windows. Boot into windows, download appropriate display drivers & then get back to Ubuntu to set back Grub to its original resolution. Everytihng is okay now..

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-1

Just type the following command in a terminalCtrl+Alt+T 

sudo update-grub
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