Notebook: Clevo P150SM-A Chipset: HM87 GPU: NVIDIA 870M CPU: 4810MQ   Current BIOS Version: 1.03.03RLS1 KBC/EC Firmware rev: 1.03.04   I have read through many threads for the answer to this and it seems to me that the v1 BIOS mod is the one I need since people have reported issues with the v2 mod when they have the 870m GPU. However, I then read one post where Prema mentions all that's needed is the vBIOS mod. The problems with this is that it didn't ment