150w RECI laser tube output empty circles on the first mirror

I will add that when you start changing out parts it becomes more challenging to know what started the whole downward trend. You changed out a tube…why…was it bad…but then you swapped power supply….why. Could you have damaged a tube with the wrong power supply or a bad new power supply…sure. No way for us to know.
You go back to the original power supply that was good and put in a new tube and don’t change out parts without knowing there bad or unless you know how to install and set them up.
Now your guessing yourself. There are no more answers….I can’t come look at your machine and tell you…I can just guess and done guessing.
Return the tube…get a new one…put the old good power supply back in and deal with one new part rather than two.
Nothing more to say….not being a dink but this has been taken as far as it can.

thank you very much, Will get the new tube and go from there

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