Hi gsmitty,
Welcome to the Community.
Please check the link below to download the respective drivers:
Network(Ethernet):
downloads.dell.com/.../R64645.EXE
Audio :
downloads.dell.com/.../R94481.EXE
Video:
downloads.dell.com/.../R106456.EXE
I hope this helps. If you have any further queries feel free to reply to us.