I have installed Arch Linux, but I cannot boot to Ubuntu and Windows 8. they are not coming in the grub except Arch itself.

how to get back other OS ?


If you're using UEFI you can select the boot manager directly from the firmware.

Additionally, you can install os-prober to search for other operating systems and update the Arch grub configuration.

| improve this answer | |
  • how can I use os-prober, I don know – Edward Torvalds Apr 1 '15 at 14:22

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