Bios Mods -The Best BIOS Update and Modification Source

Hello

Is there any possibility to get a BIOS with features to deactivate the internal Geforce graphicscard?

Here are my Computer Specs.:

Manufacturer : ASUS
Modell : F75VB-TY041H
Prozessor : Intel Core i5-3230M (3. Gen)
Graphic : Intel HD 4000 / NVIDIA GeForce GT 740M
BIOS : v. 304

Thank you very much for your help.

Nobody?

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