"Hello. Tech Support; may I help you?" "Yes, well, I'm having trouble with WordPerfect." "What sort of trouble?" "Well, I was just typing along, and all of a sudden the words went away." "Went away?" "They disappeared." "Hmm. So what does your screen look like now?" "Nothing." "Nothing?" "It's blank; it won't accept anything when I type." "Are you still in WordPerfect, or did you get out?" "How do I tell?" [Uh-oh. Well, let's give it a try anyway.] "Can you see the C:\ prompt on the screen?" "What's a sea-prompt?" [Uh-huh, thought so. Let's try a different tack.] "Never mind. Can you move the cursor around on the screen?" "There isn't any cursor: I told you, it won't accept anything I type." [Ah--at least s/he knows what a cursor is. Sounds...