05-16-2018 12:20 AM
I'm facing two problems after updating my laptop yoga 370 to the latest Bios version 1.28 in the following link :
1.Annoying Pitched Buzzing Noise from the left of my laptop and it not from the fan . the problem exist on battery and AC .
2.the laptop no more waking from hibernate after opening the lid and I need to press the power button to wake it up .
can I downgrade my bios the the previos version or what can I do please ?