Balance Laptop Drivers I Bought A Balance 557s Laptop From A Friend. The Audio Drivers Need To Be Intalled And The Net Dont Work.HELP

I bought a Balance 557s laptop from a friend. the audio drivers need to be intalled and the net dont work.HELP - balance laptop drivers

Portable Balance 557s, just install XP. no sound and I can not access the wireless network. I think I do not need the software. PLEASE HELP ME !!!!!