I followed some instructions which I found on youtube, all was going smoothly untill it said that there is no operating system installed which clearly is wrong since I have windows 10 installed. I do not want to unistall windows 10, but run Ubuntu as a dual-boot. I tried googling for answers but the problem is that I do not understand any of the instructions I find there. I do not know a thing about computers. I think I could get it to work if someone would tell me exactly what to do. That would mean the world to me. Thanks in advance
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2Have you considered manually shrinking your windows 10 partition from windows and then installing ubuntu into the free space. This is usually a trouble free method. Instructions to shrink from windows – Jakob45 Feb 06 '17 at 23:31
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The Windows file system looks dirty to Ubuntu, so the Ubuntu installer can't see that Windows is there. This is because Windows uses a hibernation file to save the system state.
You'll need to do this in Windows:
- open the Power control panel
- click on
change what the power buttons do
- click on
change options that are unavailable
- uncheck
fast start
- close the Power control panel
- open an administrative command prompt window
- type
powercfg /h off
(turns off hibernation) - type
chkdsk /f c:
- approve that chkdsk runs at next boot time
- reboot Windows
Then retry the Ubuntu installer and you'll probably have better luck.

heynnema
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Thanks for you reply, unfortunately it still does not recognise the windows 10 – Martti Kaasalainen Feb 06 '17 at 23:13
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@MarttiKaasalainen then review the post by karel and see if something there works for you. – heynnema Feb 06 '17 at 23:20
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@MarttiKaasalainen did you go through ALL of my steps, including rebooting Windows? – heynnema Feb 06 '17 at 23:22
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I can't uncheck fast start unless I enable hibernation, so I did that before unchecking fast start, otherwise I did just as you said – Martti Kaasalainen Feb 06 '17 at 23:23
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@MarttiKaasalainen that's correct. If you re-enable hibernation, you could re-check the
fast start
setting, and then disable hibernation again. The rebooting of Windows is most important after doing the other steps. – heynnema Feb 06 '17 at 23:25 -
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@MarttiKaasalainen then unfortunately my solution isn't going to help you. Check the post by karel for more things to check. Like the Windows partition being too full, etc. – heynnema Feb 06 '17 at 23:27
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@MarttiKaasalainen if you're going to
shrink
the Windows partition manually, make sure that you do this from Windows, using Windows Disk Management application. Don't use the Ubuntu installer orgparted
. – heynnema Feb 06 '17 at 23:37 -
That is how I did it. But I already went and uninstalle w10 and I'm running only ubuntu now – Martti Kaasalainen Feb 07 '17 at 11:49