Ok, I give. I'm afraid to try harder for fear of breaking it....
Just exactly how does one get the cover off an HP 262X terminal? I can't
What does it look like?
seem to find any service information.
Have you tried poking around on
http://www.hpmuseum.net? That's an
Australian site which has a lot of user and service (maybe boardswapper
level, maybe more useful :-)) manuals for desktop and larger HP computers
and peripherals.
-tony