Hi!
I'm new to all this with biosmodding, but I find it very interesting and I finally got something I want to mod with my own laptop.
Im trying to disable the "Overclocking Lock" in the efivar CpuSetup to be able to undervolt my cpu. I have identified the bit (0xDA in CpuSetup) I need to change from 1 to 0, but I'm unable to write the changes to the variable. I have tried editing with RU and directly from Linux, but both fails. The developer of RU says that the variable has some kind of write protection and RU wont be able to help.
I'm running n2vuj06w that can be downloaded from lenovos support page (google the name and you will find).

Does anyone know what kind of write protection is in use and if there is away around it?

Thanks!

EDIT: If i figure out how to make a modded version of my bios with this setting disabled (I need to do some more reading to figure this out ;)). Is there always a way to flash this modded version, or will I run in to the same problem as when I'm now trying to edit the current bios?