UEFI Upgrade/Downgrade

Nodegrid OSes version 5.0 or below are Legacy Only, which means those images are not capable of booting in a system configured for UEFI Boot Mode. In a system running one of those images can be upgraded to new versions but will still run in Legacy. To Upgrade a Legacy device with a new image in UEFI mode, the following procedure is required:

1. On a USB drive, copy the NG 5.X UEFI image
    Or setup a PxE Server with NG5.X UEFI Netboot Tarball.
2. During installation, select Install Nodegrid formatting disk. 
3. After installation, refer to Intrusion Prevention.:
   
   
4. Reboot the system.

Enable Secure Boot (optional)

1. Go to Security :: Services :: Intrusion Prevention.
2. Select Enable Secure Boot checkbox.
3. Click Save.
4. Reboot the device.

Nodegrid OS version 5.1 and above are both Legacy and UEFI compatible.