How to solve Error: Invalid Signature detected. Check Boot policy in setup, issue during system boot

How to solve Error: Invalid Signature detected. Check Boot policy in setup, issue during system boot
Step1: press ctrl+alt+delete.
step2: Go into bios menu.y pressing f2,f8 or del based on your current system
step3: check for security option.
step4: Now disable secure boot option.
step5: Now set the secure boot policy option to Custom Option.
Step5: press f4 hit Enter
done
Thanks and Regards
Saurabh Singh.

[@LouisFXedit]

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