asus a450jf - help me to disable hyper thread

I want to disable hyper thread. So someone can help me to unhide the advanced menu.
I have modded it, but the asus flash shows it is a invaid file.

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This is a original bios file

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when I use "afdos /x", it shows secure bios

  X450JF-AS.218.part1.rar (Size: 2 MB / Downloads: 0)

  X450JF-AS.218.part2.rar (Size: 1.15 MB / Downloads: 0)