Current: Veryfing that UEFI Secure Boot is enabled PDF Download PDF Download page Veryfing that UEFI Secure Boot is enabled. Current page All pages Veryfing that UEFI Secure Boot is enabled It is important to verify that UEFI Secure Boot has been properly enabled. Check the following points to see whether UEFI SecureBoot is working.The boot splash contains a lock symbol in the bottom right.On IGEL OS:In the About window, the parameter Boot Mode is set to the value UEFI Secure Boot.On Microsoft Windows IoT (version 4.03.100 higher):In the IGEL Device Information tool, in de Hardware tab, Boot Mode is set to the value UEFI Secure Boot. ×