Model: Lenovo E470 ThinkPad Notebook / Laptop Driver: Audio Driver:Operating system: Conexant Audio DriverWindows 7 (64-bit / 32-bit) Conexant Audio DriverWindows 10 (64-bit) BIOS / UEFI Driver:Operating system: BIOS Update UtilityWindows 10 (64-bit), 7 (64-bit / 32-bit) ...