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Old 31 August 2019, 23:46   #10
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klx300r's Avatar
Join Date: Oct 2007
Location: Toronto, Canada
Age: 49
Posts: 835
Originally Posted by Stedy View Post

Does your micro-ATX PSU have smaller orange wires in parallel with the larger ones?
Some ATX supplies use remote sense on the +3.3V motherboard connections, if they get no feedback, the PSU shuts off or won't power up. You could try connecting all the +3.3V wires together.

I have a 600W PSU that powers up fine with no load, though I do connect all +5V, +12V and +3.3V wires together via an adaptor.

no smaller orange wires on both PSU's I tried and btw that doesn't seem to be the issue since the PSU powers up when not connected to computer/ anything
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