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eGPU doesn't turn on. PSU keeps clicking (self.techsupport)

submitted 1 year ago by masterborger to c/techsupport

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I recently bought the Sonnet Breakaway Box 750ex for my laptop. Some of the time when I plug it in, the eGPU actually turns on and works properly but most of the time, the PSU and board make faint clicking sounds (In the video below, I plugged in a louder 300W PSU to record the clicking. Both PSUs work ftr). I know that PSU keeps turning on and off again rapidly, but beyond that I don't know what is going on. Any ideas on what is happening and how to stop this?

Video link: https://emalm.com/?v=7wBV9

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[–] masterborger 1 points 1 year ago

The GPU I am using is an rx480 8gb from Asus and the TDP is around 150W. The same thing occurs with the built in PSU but much quieter such that I wasn't able to pick up the sound.