THANKS A LOT! You saved me ! 

Hi,Could you send me your backup of 309 bios ? I forgot to save it on a cloud and I lost my thumbdrive

Did you find It ? I have the same issue, It boot then BSOD... how did you do ?

I'm in the same case...Could you send me your 309 bios version ? It's impossible to get it again. (I lost my flash drive)I manage to disable system updates for bios once but now I'm stock as I can't find the 309 bios version!Please help dear !