2. Asus

1. Power on the system and press [Delete] key to enter BIOS [Advanced Mode] as below picture

2. Click [Boot] as below picture

3. Click [Secure Boot] option as below picture

4. OS Type Default is Other OS

Other OS: Secure Boot state is off

Windows UEFI mode: Secure Boot state is on

1. Press [WIN]+[R] key together and then input msinfo32 as below picture

2. Find [Secure Boot State] option. If it shows as Off , it means Secure Boot is disabled.

If it shows as On, it means Secure Boot is Enabled.