G75VW will not BOOT

[ultram]

Installed a new (Intel 7260 HMWG-R network card) now the computer will not BOOT. When I took it apart a small S sept Spring like ting fell out by the left hinge aria might be for a ground?? cant see where it goes. Too it apart 4 times, cant get it to BOOT UP, no lights noting.
Need someone to set me straight PLEAS

[0neWinged]

Brown cable is LED's, other wide cable works the rest of your board. I'd double check the cables. Make sure cables aren't broken and pins are all good.