rusnaki Posted June 20, 2014 Report Posted June 20, 2014 The Guide Show Step-by-Step How Disabling Secure Boot and Boot from CD/DVD Installation Media on Windows 8 with Uefi and so Usually for any PC with Windows8 Pre-Installed.The Content and Details of Windows 8.1 How-to Disable Secure Boot for Linux Installation Give Focus Only to the Essentials Instructions and Commands and Make the Tutorial Easier to Read and Digest.1.Settingshttps://dg139.s3.amazonaws.com/win8/enablingBootFromCdDvdWindows8/1-windows8Settings.jpg 2.Search “boot” >> Change Advanced Startup Options3.Advanced Start-Up > Restart Now4.Select Troubleshoot5.Click on Advanced Options6.Choose UEFI Firmware Settings7.Confirm Restart8.In Bios Select the Advanced Tab Disabling Secure Boot9.Select the Boot Options Tab Launch CSM = Always 1St Boot Device = DVD Disable All Boot Options on BottomF10 to Save and Boot.After You Should be Finally Free to Evade from Win8 and Booting on Linux!Source : Tutorial for Linux » Windows 8.1 How-to Disable Secure-Boot and Boot from CD/DVD on Uefi PC and Pre-Installed Quote