Main Configuration

This is the first screen that will appear when you run Grub2Win.exe

EFI Machines Only:  You will receive an orange test boot message the first time you run Grub2Win. The next time you boot your machine, the Grub2Win boot menu should appear.

If the test boot is successful, run Grub2Win and click the Set EFI Firmware Boot Order button. Then set Grub2Win as the default.

To customize the theme, click the preview image.

This will take you to the Customize Theme  screen.

Restore

Each time you run Grub2Win, an automatic backup is made of your BCD, configuration and menu settings.

These backups are stored in C:\grub2\windata\backup. The five most recent backups are saved. If you wish to restore your settings to an earlier time, you can click this button. You be then be prompted to restore one of those five previous backups. The Windows BCD backup will also be restored. Once the restore has completed successfully, the Grub2Win program will restart.

Syntax

Click this button if you want to check a Grub configuration file for basic syntax errors. A file open dialog will appear, allowing you to select a .cfg file for the syntax check. The default is the main Grub2Win configuration file C:\grub2\grub.cfg. The syntax checker only flags basic errors such as unmatched quotes, if fi clauses and brackets. More detailed checking may be added in a future release.

About

Click this button to see the version and release date of Grub2win. The Check For Updates screen will appear, where you can download the latest updates and change log.  On XP systems you will be taken to the SourceForge Grub2Win website where you can download the latest version..

Manage EFI Partition Modules  (Only appears in EFI mode)

Clicking this button will install the GNU Grub boot modules to your EFI partition. The EFI Update Log screen will appear showing progress as the program scans your disks for valid EFI partitions . You will be prompted to confirm the partition for install. You will also be given the option to refresh or remove the modules.

Set EFI Firmware Order  (Only appears in EFI mode)

Clicking this button brings up the EFI Firmware Order screen. This allows you to change the boot order in your machine's firmware and request test boots of Grub2Win EFI.

Additional Drivers (advanced)

This should only be checked if you wish to include additional Grub drivers. These drivers are not needed for most modern motherboards. They can cause lockups and other boot problems. When checked, the Choose button will appear to the right of the checkbox. Clicking the Choose button will take you to the Choose Additional Drivers screen.

Desktop Shortcut

Check this box to create a Grub2Win shortcut on your desktop. Uncheck to remove the shortcut.

Grub default OS

The OS that will be booted automatically if you don't press an up or down arrow key. You can also select "Last Booted OS" which will cause the last OS booted by Grub2Win to become the default.

Grub graphics mode

The Grub selection menu will appear in this mode. It does not set the target OS graphics mode.

System Info

Displays information about the Firmware, System, Motherboard and Secure Boot status. Also lets you to create a Disk Report. The report contains details about the attached disks and partitions.

Diagnostics

Allows you to run the Grub2Win diagnostic routine if needed. The diagnostic data will be stored in the C:\grub2\diagnose directory. See Support and Diagnostics for details.

Grub locale language

At boot time, Grub will display error messages and help using the selected language.

Windows boot timeout seconds

The time Windows waits for a selection before it boots automatically.

Enable Grub timeout

Check this box to set the number of seconds the Grub menu waits before booting the default OS.

The default settings shown above should work fine, but you can change them if desired.

It is important to click the Manage Boot Menu button below to add your OS selections!!

Manage Boot Menu

This takes you to the Manage Boot Menu screen where you will add your OS selections. Windows is the only selection created by default. You must add your Linux systems or they will not appear at boot time.

After you have added and customized your OS selections, Click the OK button. The install will now complete.

You can run the GUI as often as desired when you want to add systems or change boot options. Each time you run it, a new customized grub.cfg file will be created. Backup copies of the 5 most recent settings and update logs will be maintained in the C:\grub2\windata\backup directory. Backups of the Windows BCD will also be stored there.

Uninstall

Clicking this button removes Grub2Win from your system.

When you click the Uninstall button, a dialog will verify that you really want to remove Grub2Win.

Uninstall also removes the Grub2Win entries from your EFI partition and the Grub2Win desktop shortcut.

Note: You may have to manually delete the empty C:\grub2 directory after the uninstall process completes.

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