grub change default os

GNU GRUB Menu: Change the Default Boot OS

1. Find the string for the OS you want to set as the default. ...
2. Highlight the string and copy it to the clipboard. ...
3. Edit /etc/default/grub $ sudo vi /etc/default/grub.
4. Change the value of GRUB_DEFAULT from 0 to the OS string you copied from /boot/grub/grub.

1. How do I change the default OS in GRUB bootloader?
2. How do I change the default grub?
3. How do I change my default boot OS?
4. How do I change the default bootloader in Windows 10?
5. How do I check my grub settings?
6. How do I remove GRUB bootloader from BIOS?
7. How do I change my default operating system to dual boot?
8. How do I edit a grub order?
9. How do I edit a grub command line?
10. How do I change boot options?
11. How do I change my operating system?
12. How do I change boot manager BIOS?

How do I change the default OS in GRUB bootloader?

Select default OS (GRUB_DEFAULT)

Open /etc/default/grub file using any text editor, for example nano. Find the line "GRUB_DEFAULT". We can select the default OS to boot using this option. If you set the value as "0", the first operating system in the GRUB boot menu entry will boot.

How do I change the default grub?

9 Answers. Show activity on this post. Press Alt + F2 , type gksudo gedit /etc/default/grub press Enter and enter your password. You can change the default from 0 to any number, corresponding to the entry in the Grub bootup menu (first entry is 0, second is 1, etc.)

How do I change my default boot OS?

To Choose Default OS in System Configuration (msconfig)

1. Press the Win + R keys to open the Run dialog, type msconfig into Run, and click/tap on OK to open System Configuration.
2. Click/tap on the Boot tab, select the OS (ex: Windows 10) you want as the "default OS", click/tap on Set as default, and click/tap on OK. (

How do I change the default bootloader in Windows 10?

Change Default OS In Boot Menu With MSCONFIG

Finally, you can use the built-in msconfig tool to change the boot timeout. Press Win + R and type msconfig in the Run box. On the boot tab, select the desired entry in the list and click the button Set as default. Click the Apply and OK buttons and you are done.

How do I check my grub settings?

If you set the timeout directive in grub. conf to 0 , GRUB will not display its list of bootable kernels when the system starts up. In order to display this list when booting, press and hold any alphanumeric key while and immediately after BIOS information is displayed. GRUB will present you with the GRUB menu.

How do I remove GRUB bootloader from BIOS?

Type "rmdir /s OSNAME" command, where OSNAME will be replaced by your OSNAME, to delete the GRUB bootloader from your computer. If prompted press Y. 14. Exit the command prompt and restart the computer the GRUB bootloader is not longer available.

How do I change my default operating system to dual boot?

How to Change Default OS in Dual-Boot Setup

1. First, open the run window through the shortcut key “Windows + R”. ...
2. This will open the System configuration window from where you need to switch to the Boot tab. ...
3. Now select the Operating System which you want to set as default then click on the “Set as default” button.

How do I edit a grub order?

Navigate to the file /boot/grub/grub.

Then double-click grub. cfg to open the file in a text editor. In the file you will find the line ( set default="0" ). Edit the 0 to the line number in Grub that you want to load.

How do I edit a grub command line?

1 Answer. There is no way to edit a file from the Grub prompt. But you don't need to do that. As htor and Christopher already suggested, you should be able to switch to a text mode console by pressing Ctrl + Alt + F2 and log in there and edit the file.

How do I change boot options?

1. Restart the computer.
2. Press the F8 key to open Advanced Boot Options.
3. Select Repair your computer. Advanced Boot Options on Windows 7.
4. Press Enter.
5. At the System Recovery Options, click Command Prompt.
6. Type: bcdedit.exe.
7. Press Enter.

How do I change my operating system?

Boot from your installation disc.

1. Common Setup keys include F2, F10, F12, and Del/Delete.
2. Once you are in the Setup menu, navigate to the Boot section. Set your DVD/CD drive as the first boot device. ...
3. Once you've selected the correct drive, save your changes and exit Setup. Your computer will reboot.

How do I change boot manager BIOS?

Changing the BIOS boot order

1. From the Properties menu, choose 1E BIOS to UEFI Boot Order.
2. In UEFI Boot Order, select from: Windows Boot Manager – sets the Windows Boot Manager to be the only device in UEFI boot list. The Windows Boot Manager appears in the boot list only if a previous OS was installed in UEFI mode.