I bought a used dual-1.25 MDD about a year-and-a-half ago from a
college in Washington state, and it arrived with a dead PSU. After
checking prices for replacement PSUs (from $150-$500, at the time), I
did a lot of googling and reading about the situation. Among other
things, I learned that the
I had the same problem with my BW. The LCD monitor also refused to
work when booting into OSX from 8.6 or 9.x. Zapping the PRAM fixed the
problem, but only for one boot cycle.
Check your monitor cable - some VGA cables are missing the sync-on-
green pin, as did mine. When I replaced the cable
