Hi Darnassus,I asked my self the same question and searched a bit. as for installing of the windows 8 , back up your files somewhere and restart your laptop and then press F9 then choose troubleshooting and you will have all the options there. check...

I have the same problem 4 days after I purchased the G750 I noticed the distortion opened a service request since then the laptop has been to the lab twice and the problem still exists, we pay 2000EURO and get this 2$ distorting mini subwoofer.this ...