Local are connection wont work after bridging it with wifi

Hello,
My Toshiba Ethernet Port is not working i recently Bridged it with the wifi so i can use it with my ps3, well after i bridged it, it worked after a day or so it stopped working the light on the port doesnt blink and it has a red x say network cable unplugged which is plugged in it used to blink and say cable plugged in i tried looking on google with no avail can someone help