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I am comparatively new to Ubuntu.I have a laptop with Windows10 installed on a 1TB SATA SSD.Today,i added another 240GB NVMe SSD & Installed Ubuntu 22.04 LTS. I can successfully dual boot & change the OS from BIOS.But unlike my Desktop(Where I have Ubuntu & Win7 on two different partitions of a same drive) where the GRUB appears & ask for the Ubuntu & Windows boot manager! When installing Ubuntu on the NVMe,i totally disconnected the Windows drive to play safe.Somewhere I read that OS-Prober will automatically detect the OS & shows on the GRUB but it's not happening! What should i do to get the dual boot menu on the GRUB?

Thanks in advance!!

S.Das
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1 Answers1

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I found a solution:

Run these commands in sequence

  1. sudo nano /etc/default/grub
  2. Added This line GRUB_DISABLE_OS_PROBER=false if not present.Or uncomment,if line present
  3. sudo os-prober
  4. sudo update grub
  5. sudo reboot -h now

That added the entry of Windows Boot Manager to the GRUB menu.Now after reboot,windows boot manager will appear as dual boot option in GRUB

S.Das
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