Problem solved after a lot of fiddling around, by following the solution I linked to above, except:


To boot into safe mode, I had to press Enter while GRUB was showing (I use a dual-boot...

Whenever I need administrator privileges, the UAC dialog that comes up is missing the "Yes" button and only shows a "No" button, so I cannot get to administrator mode. I think this has been the case...

I tried a few more things, for example disconnecting the Windows drive as Winuser suggested. Without the Windows drive, Linux came up fine. Then I reconnected the Windows drive, started up, and Linux...

I didn't pay attention to the Timeout field, I just checked and it was already set to 30 seconds by default. Can't work though if Linux isn't recognized as an option, right? I'm not sure if getting...

No, cause only Windows 10 was listed in the first step already.

It looks that way. I can positively confirm that hibernation and fast startup are disabled. The boot behavior and the "cannot mount" message in Linux suggest that Windows is in a hibernated state...

Unfortunately not. Only Windows 10 is listed.

Mark, I get the same behavior on restart and shutdown.

1. As I said, fast startup is already turned off.
2. We are talking about basic computer functionality. There must be a way to do this without buying a third-party tool.

Thanks, those are useful settings. However, all of the described approaches show Windows 10 as the only OS option to me. Actually this makes sense because Windows can't read disks or partitions that...

Hi b1rd, thanks but those instructions are for Vista. Windows 10 doesn't seem to have those configuration options.

I am trying to have my computer boot Linux by default, from an external hard drive, while my internal drive has Windows 10 on it. Unfortunately I cannot get it to work: Windows 10 boots automatically...