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Old 05-07-2017, 09:46 AM   #1
JohnCherry
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Grub-bootload problem


Hello World!

I have installed dual-boot Manjaro Linux and Windows 10 on my laptop. At first days I had installed Manjaro, I had the option to choose which OS I want to boot.

Recently, when I power on my laptop, Windows 10 is booted (I haven't the option to choose which OS I want to boot). Booting Manjaro is required to go to BIOS Settings.

Thank you in advance!
 
Old 05-07-2017, 11:35 AM   #2
Rickkkk
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Quote:
Originally Posted by JohnCherry View Post
Hello World!

I have installed dual-boot Manjaro Linux and Windows 10 on my laptop. At first days I had installed Manjaro, I had the option to choose which OS I want to boot.

Recently, when I power on my laptop, Windows 10 is booted (I haven't the option to choose which OS I want to boot). Booting Manjaro is required to go to BIOS Settings.

Thank you in advance!
It sounds like one of those situations where Windows 10 is obligatorily installed in UEFI mode (the only mode it supports), and your linux distro (Manjaro) has been installed in BIOS mode. Some details on your hardware would be useful (including the firmware type and confirmation as to whether it supports legacy-BIOS mode (I suspect so ...).

If the situation is as I suspect, my advice would be to :

- Try using efibootmgr to point to the proper boot loader (GRUB instead of the Windows EFI stub).

- If that doesn't work, remove Manjaro and start over, being careful to reinstall it with GRUB in UEFI mode.

Given what you have already accomplished, I am assuming that you have done all the repartitioning and file system preparations already.

Please feel free to ask if you need help with the above.

Cheers.

Last edited by Rickkkk; 05-07-2017 at 11:39 AM.
 
Old 05-07-2017, 06:49 PM   #3
syg00
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If it used to work, perhaps more likely Win10 got an update and "fixed" the default boot. As suggested, changing the default back to grub using efibootmgr is simplest.
 
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