Problem:
A Macintosh SE with a Radius FPD Monitor and Radius FPD Board installed with
display problems. The Macintosh SE screen has thick vertical black and white
lines on boot up. The Radius FPD Monitor has small vertical dashed lines on
screen.
Cure:
This caused by a faulty expansion slot on Macintosh SE Motherboard. The
Macintosh SE Motherboard should be replaced.