Blank Cue screens!!!Help!

Hog 250

I know I'm a "Newbee" but, when I re-load the floppy shows,there always seems to be an issue,.Mostley learning curve.....I think
I now have a decent library (that helps) but when I fire the board up,the LCD's above the cues are "blocks" no #'s or letters,Do I have to re-install software,or another disk? Or is it hardware?(lose connection)
The Manual program mode works,& some of the cues run,but can't be editted......Any thoughts?
Thanks
GF
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