If you have no BIOS file (new or even the same as loaded) & you have no way to get it, then it is the end of the road. I had the same with a friend's laptop Nothing you can do sebus
thank you for reply, but there is no bios for my model. i think averatec 2700 series is same as my model. but no bios update exists. anyway, thanks for the replies. i'm waiting for the update. thx