Probably a loose wire
by Jimmy Greystone - 10/15/11 5:54 PM
In Reply to: probably what? by emacG4user
Probably a loose wire, but that in and of itself is a bit of a prelude to death in most cases. You may be able to extend the life of this unit a while longer, but that would probably be about it.
And the high voltage stuff is around the back of the display. Primarily the electron guns that actually paint the display on the screen. The CRT iMac/eMacs were just a pain to deal with, and fortunately I got into the repair game as they were largely phased out, but I've been zapped by the exposed PSUs of the newer iMacs enough times to know to be very respectful of electricity. You can be exceedingly careful, but all it takes is one tiny little mistake.
My general philosophy is that no matter how broke you are, it's not worth risking your life to fix something. There's at least a decent chance of that happening here. Maybe not quite 50/50, but it's more than a remote chance. If you're that broke, then just keep hitting it until that stops working, then take it in. Maybe set aside a few bucks a week in the mean time to help cover the repair costs.
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