PreSonus Eris 4.5 Power Ok but No sound output.

Hello everyone, in this video i will show you how to trace and troubleshoot PreSonus Eris 4.5 Studio Monitor Power OK but No Sound.
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Music that i Used in this Video:
Track: Inukshuk - Too Far Gone [NCS Release]
Music provided by NoCopyrightSounds.
Watch: • Inukshuk - Too Far Gon...
Free Download / Stream: ncs.io/TooFarGo...
Track: Lost Sky - Fearless pt.II (feat. Chris Linton) [NCS Release]
Music provided by NoCopyrightSounds.
Watch: • Lost Sky - Fearless pt...
Free Download / Stream: ncs.io/Fearless2YO