Lost drivers cd. i have purchased lg laptop rd400 and lost drivers cd can i get ethernet

Question

i have purchased lg laptop rd400 and lost drivers cd can i get ethernet controller drivers from internet free of cost and how?i need a driver for wireless.my laptop model is xnote rd 400i can`t install my network adapter on my notebook Acer Aspire 5315.The driver for wirreless network either.can you help me ??