To Acer Aspire 7730G owners: Please DO NOT mod your BIOS. At least 3 users on this forum with 7730G reported that their laptops got crashed after the BIOS mod. Their dramatic experience should be warning for other people. I'm just telling about it to protect you from certain dangerous.
You fail to mention the success of the modified bios of Acer 7730G....so, I would say the failure lies with you and not the mod