Grub ought to have been installed on sda not sdb. Debian would have been your default system until after you had updated the grub configuration so you could run windows when needed. On Fri, 1 Feb 2019, Linux for blind general discussion wrote: > Date: Fri, 1 Feb 2019 10:14:45 > From: Linux for blind general discussion <blinux-list@xxxxxxxxxx> > To: Linux for blind general discussion <Blinux-list@xxxxxxxxxx> > Subject: Debian installation issue > > Hi all, > > I installed Debian, the latest stable nonfree iso. I selected /dev/sdb as > destination, with defaults and grub installation not to main destination, but > I manually installed to the /dev/sdb, but now, I am unable to boot. I have Win > 10 on /dev/sda and when I select the second hdd, it boots to the first. How > can I install grub and have Windows on /dev/sda and Debian on /dev/sdb? When I > install other distro and select sdb as destination and for grub, it works > normally. I can reinstall it again, this sdb hdd is for Linux testing. > > Thanks, > > Pavel > > > _______________________________________________ > Blinux-list mailing list > Blinux-list@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/blinux-list > > -- _______________________________________________ Blinux-list mailing list Blinux-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/blinux-list