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I've installed Windows 10 first, then installed Ubuntu 18.04.5 LTS on the same SSD drive. The first time reboot, I can choose which OS to start. But when I start Windows 10 then the next time I reboot, the system didn't display the menu to choose OS and starts directly to Windows 10.

Can anyone show me how to solve this problem?

(I'm a newbie to Ubuntu).

neun24
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adminHuan
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1 Answers1

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You can try this solution:

In Windows 10 run CMD as administrator paste this command and press Enter:

bcdedit /set {bootmgr} path \EFI\ubuntu\grubx64.efi

Then reboot your system and see if the boot menu is working again.

No success?

If the above method didn’t change anything, you can reverse it using the command below:

bcdedit /deletevalue {bootmgr} path \EFI\ubuntu\grubx64.efi

Even if the above command didn’t work, try the one below to set the boot back to Windows:

bcdedit /set {bootmgr} path \EFI\Microsoft\Boot\bootmgfw.efi

If you're not able to boot into the Windows installation, insert the Windows installation disk and there you’ll have access to the command prompt.

BeastOfCaerbannog
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mem0ry
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