This short circuit will simply discharge the PSU and you will see a spark or two as the electrical current finds the ground.
#Power supply for mac g4 driver
What I did was simply arc the two pieces of metal using a thick screw driver with a rubber grip. That is because the PSU and its capacitors/inductors have electrical charge stored in them. If you happen to accidently touch both pieces at the same time you will receive a nice buzz. When you open up the PSU you should see something that looks like a cathode terminal, a few inches from this is a heat sink. Additionally I simply stumbled upon this quick solution while I was "poking" around. I am not an expert in electrical engineering so my "solution" may not (or it may) work for your particular case. Since I knew the PSU, was prone to catastrophe I decided to open it up and take a peek. When I tried to turn it back on, it was completely unresponsive. The problem was intermittent and though it was slightly inconvenient I was able to deal with manually updating the date/time settings, etc.Ī few weeks ago, I decided to give the inside of my Mac a quick spring cleaning. I replaced the PRAM battery and reset the PMU. Hello, I just want to share my experiences and solution with fixing my MDD PowerMac power supply.Ī few years back my Mac would reset its clock back to December 31, 1969.Īnd at times it would not power-up unless I switched off/on the power switch on the power strip or unplug/plug the power cable.
(the issues regarding these powermacs and the power supply failure is prevalent and much discussion has been made regarding replacing the PSU with a new one or modding an ATX power supply)
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