I think you will find this is a display panel, as the display panel has to have a Video controller which is often a separate card or built in to the MB.
This is not the same thing as a video controller card for a monitor.
What are the symptoms, 'Gone Bad' can mean either the Inverter or the Back light(s) have failed. Check the rear of the display for light up on switch on.
These can usually be obtained cheap from DigiKey. or an equivalent.