hi all here goes I have an elvis top 20 I moved it upstairs and then not used it for about 6 months when I turn it on now it just comes up with a self test block saying the monitor is working please check the video cable and computer if I switch the computer on it says warning bios has been f;lashed or the jclx jumper has changed I haven't touched or changed anything anybody got any ideas I don't know anthing about fruit machines thanks