Bios Mods -The Best BIOS Update and Modification Source

i would like to know how to change the logo on this board, and what kind of image specs it can have, it uses uefi, so its nothing like the usual stuff here i guess.

the rom is attached below

i havent gotten myself a logo yet, but i will as soon as i know the specs n stuff

/Demon

l am having lenovo B460e laptop. i want change my tamilnadu logo

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i want disable my tamilnadu logo. can you help me. send steps to my mail id nagendran.it.89@gmaik.com