Missing network connection after reinstalling or formatting windows 7

[Mattix17]

i'm missing network driver for a 32 bit windows 7 my pc name is unkown processor is intel core i5 2300 2.80 ghz ram 8.00gb How can i find my updates for network driver so that my google chrome is up and running ?

 

[Tanyac]

What brand and model is the motherboard?