Dual booting Windows and Linux in a machine is very common among Linux users. The main reason mostly because most laptops sold with an original Windows installation, so many users prefer to keep it.
Most Linux installer by default would automatically detect windows installation and include it in grub menu. Apparently, in newer Linux version, there is a new policy that os-prober is disabled by grub to detect other OS installation.
Even though we execute update-grub, there will be an error message like this "os prober will not be executed to detect other bootable partitions". In order to make your newer Linux detect Windows installation, you have to do some simple steps.
Here are the steps to make os-prober detect your Windows installation:
1. Using your favorite text editor, edit the file /etc/default/grub
sudo vi /etc/default/grub
2. Add this line:
GRUB_DISABLE_OS_PROBER=false
3, Save, and execute sudo update-grub
Now, grub would detect your Windows installation like before.
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