Security & Safety UEFI Secure Boot Enabling Guides IGEL OS Current: Enabling UEFI Secure Boot in UD2-LX 50/51 PDF Download PDF Download page Enabling UEFI Secure Boot in UD2-LX 50/51. Current page All pages Enabling UEFI Secure Boot in UD2-LX 50/51 UEFI Secure Boot is already a default setting in UD2-LX 50 and UD2-LX 51. If you have disabled secure boot, you will need to reverse the settings you made. ×