Genuine Dell OEM Inspiron 14 7420 2-in-1 Power Button, USB and Audio Port IO Circuit Board- this houses one USB port and the audio port, SD card reader, and the Power Button. The 7420 was offered with different graphic configurations, with different IO board part numbers- this part number is for systems that have the optional Discrete Nvidia Graphics.
Compatible Dell Laptops:
Inspiron 14 7420 2-in-1 with discrete Nvidia graphics
DPN: TY00R