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This post is VERY long. I have included a table of contents for those of you who want to simply read a certain section, or just help me by viewing the questions section and offering advice right away. All questions posed during general post will be repeated and listed in the QUESTIONS section.

*see footnote re: “Perpetual Threads

Hi,

I have a problem with a dark iMac (DV 500MHz) screen, and in my search for a solution I found the following on Apple's support forums:

[i]"Often this problem can be fixed by adjusting the transformer. I don't know if its necessarily correct to do, but I maintain a school full of computers, and have done this very thing many times.