This already the third time this question is discussed:
https://forum-en.msi.com/index.php?topic=107720.msg881671#msg881671
https://forum-en.msi.com/index.php?topic=117137.msg882183#msg882183
I doubt it is a BIOS issue. In any case, I tried to get a hold of BIOS v2.1b3 but I could not find it.