dual boot - How to restore my Windows 8.1 after installing Ubuntu? - Ask Ubuntu


i have lost windows 8.1 after installing ubuntu on dual boot. cannot boot windows. is, don't have in grub

generating grub: 

configuration file ... warning: setting grub_timeout non-zero value when grub_hidden_timeout set no longer supported. found linux image: /boot/vmlinuz-4.4.0-21-generic found initrd image: /boot/initrd.img-4.4.0-21-generic found memtest86+ image: /boot/memtest86+.elf found memtest86+ image: /boot/memtest86+.bin done

can me, please, cannot use uefi on pc?


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