Serial, Sound Grinder 2 HCL Laptop Has No Sound Driver.its Serial No. Is 6064AX095418.How Can I Download?

HCL Laptop has no sound driver.its serial no. is 6064AX095418.How can i download? - serial, sound grinder 2

Please send me the process of downloading the drivers for the sound card in my laptop HCL Serial. 6064AX095418?