IGEL OS 10.05.500 IGEL OS Articles System Current: How to Show the Boot Mode of IGEL OS PDF Download PDF Download page How to Show the Boot Mode of IGEL OS. Current page All pages How to Show the Boot Mode of IGEL OS To check the boot mode of IGEL OS, proceed as follows:Open the IGEL start menu.Click the i-icon.The About dialog opens.Find the parameter Boot Mode under the Hardware section.Example: BIOS ×