H55 pro bios screen slow problem

[ak47mega]

sorry

I cannot know English.

i have H55 pro board.
i have some problem

after OC tweak menu modify ---> advance menu cpu setting click---> no keyboard input ---> only Ctrl+alt+del(reboot)


why??

1.01 and 1.02 and 1.20 Is same.
only first version bios not problem