Security & Safety UEFI Secure Boot Enabling Guides Current: Verifying that Secure Boot is Enabled PDF Download PDF Download page Verifying that Secure Boot is Enabled. Current page All pages Verifying that Secure Boot is Enabled It is important to verify that UEFI Secure Boot has been properly enabled. UEFI Secure Boot support is available in IGEL OS 10.04.100 or higher as well as Windows 10 IoT 4.03.100 or higher.Check the following points to see whether UEFI Secure Boot has been properly enabled.On IGEL OS 11.01.100 and HigherThe boot splash contains a lock symbol.In the About window, Boot Mode is set to the value UEFI Secure Boot.On IGEL OS 10.04.100 - 10.05.500The boot splash contains a lock symbol.In the About window, Boot Mode is set to the value UEFI Secure Boot.On Microsoft Windows 10 IoTThe boot splash contains a lock symbol.In the IGEL Device Information tool, in the Hardware tab, Boot Mode is set to the value UEFI Secure Boot. ×