As you did with the skills Cable ; you will require to swap out your video Mineral Insulated Cable with the second one to examine if the cable adjusted bad. Also if you are connecting the monitor perhaps a DVR; it may be a wise idea to switch which port you are connecting to, this way you can determine circumstance video port has gone bad. First and foremost...
There is not a straight path to drag the cable out, to ensure that it may help to a good assistant pull the cable through the firewall this particular other guides the end of the Shielded Cable through hole. When replacing the cable, ought to helpful to provide an assistant push the Power Cable up while the additional catches the end with needle nose pliers ...