Dell Inspiron 7786 Genuine IO Board Cable, identified by part number 2TK30, is an essential component designed for the Dell Inspiron 7786 laptop model. This cable connects the IO (Input/Output) board to the laptop's motherboard, facilitating communication between various external ports and internal components. The IO board typically houses USB ports, audio jacks, and other connectivity options. With its genuine Dell design, this cable ensures compatibility, reliability, and proper functionality within the Dell Inspiron 7786 laptop.