Security & Safety UEFI Secure Boot Enabling Guides IGEL OS Current: Enabling UEFI Secure Boot in UD7-LX 20 PDF Download PDF Download page Enabling UEFI Secure Boot in UD7-LX 20. Current page All pages Enabling UEFI Secure Boot in UD7-LX 20 UEFI Secure Boot is already a default setting in UD7-LX 20. If you have disabled secure boot, you will need to reverse the settings you made. ×