Thanx drewman,
I did that, but the Radius case is different. It has a side panel which removes for adding RAM or cards, and I could only manage to move the case forward a bit after removing the screws at the rear. Anyway, it was much simpler: the whole front panel snaps off. At first, I was afraid to pry too hard or force it, but I saw no other way. No harm done, the insides needed cleaning anyway.
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Captain Analogue