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Ursprünglicher Beitrag von: jayeff ,

Text:

@gilesp

I don't know the PSU for your PC but if you have a DMM (digital multimeter) use the [http://support.antec.com/support/solutions/articles/1000015319-is-my-power-supply-dead-the-paperclip-test|paperclip test] to check which of the various output voltage supplies is not there from the PSU

If some are low or even missing then check the capacitors in the failed PSU i.e. bulging or blown and also for any other components that look stressed or heat affected.

SMPS power supplies put a lot of stress on the components.

Be careful if testing inside the PSU without a schematic as there is exposed lethal AC in there. It is safe on the output harness connections though as that is DC although you don't want to short that out either

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