Hello, I am i need for UX5401ZAS full bios. After repair of laptop i was missing serial number and some functions are not working witch are backlight on keyboard and small display on the back of the screen. I have used WBT 318 to write SN in bios and that is ok but i do not know how to fix backlight and other display. I hope that full bios flash will fix the issue. Or if someone have other suggestion it would be appreciated. :D

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