Every single tutorial I find tells me I have to set this supposed "Secure Boot Mode" option from Default to Custom - but there is no such option in my BIOS??? how does this make any sense?
Motherboard model ASUS A520M-K
here is a screenshot: https://ibb.co/7kJSMnt
Motherboard model ASUS A520M-K
here is a screenshot: https://ibb.co/7kJSMnt