Secure Boot Cannot Be Turned On

[andifg07]

I've already trying all of method that suggested by the internet. But my BIOS still doesn't letting me to turn on the Secure Boot. Is there any method to solve this? (My device is: ASUS TUF A15 with series FA506IV) #SecureBoot #ASUSTUF

Thank you.

[Falcon_ASUS]

@andifg07
I would recommend that you refer to the following FAQ for instructions and then verify the issue again. 
How to Enable/Disable Secure Boot
Sorry for any inconvenience it may be caused.