the EFI you are trying to boot from
also Multibeast is mainly for desktop computers and not laptops
suggest you read up on the faq:
This is an updated FAQ from the Original Thread: https://www.tonymacx86.com/threads/faq-read-first-laptop-frequent-questions.164990/post-1045259 Before asking a question, many common questions are already commonly asked and answered, and many answers exist in the sticky threads in this forum...
www.tonymacx86.com
also an older FAQ for older laptops:
Before asking a question, many common questions are already commonly asked and answered, and many answers exist in the sticky threads in this forum. Read this post before and any relevant guide before asking a question... If you ask a question that is answered by this FAQ, you'll likely be...
www.tonymacx86.com