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Acer TravelMate 5740G: Support for Clarksfield CPU

I own an Acer TravelMate 5740G with Discrete AMD Radeon HD 5650 and Intel Core i5 520M. I tried upgrading to a Core i7 840QM and upon doing so, the system BIOS can no longer detect the dGPU, probably due to a microcode issue.
The laptop cannot boot into any OS,so far.

My upgrade was motivated by a Toshiba Satellite A500-1GR user who successfully did the same, and the systems share a similar BIOS, from InsydeH20.

IIs it possible to mod the Acer TravelMate 5740G BIOS to include the Microcode Update needed to run that processor correctly?


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