Hi, My name its Julian and I need 2 things, I have a Pavilion dv7 and the Bass is not working, my dad chage the windows of the PC from Home Premium Win7 to Professional Win7. The Other Problems are that the BD-ROM its not working, I've Tried to chage the drive but I DON'T Know how. Heres Is the BD-ROM Number:3KLX910.
Thanks,
Julian Alexis Bonnet
P.S. I'LL Apreciate if you write me In Spanish (my 1st Language) if you dont know spanish the English it is (my 2nd Language)