https://www.newegg.com/p/2S7-00DA-02YW6?Item=9SIBBP9K5T8817
Buy Refurbished: Dell Optiplex 780 755 760 GX520 GX620 Front Panel LED I/O Cable SFF Ribbon Cable 10" P9847 0P9847 with fast shipping and top-rated customer...
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https://www.wikihow.com/Install-Ribbon-Cable
Install a new ribbon cable quickly and effortlessly Ribbon cables, or multi-wire planar cables, are flat cables with multiple cords fixed together....
how to installribbon cablefor beginnerseasysteps