Has anyone replaced the actual diode on a laser diode engraver

So my laser diode has been loosing power recently and I think the diode is running out.

I have, to my error, been running it at 100% power when I should have been running it slower but at lower power to preserve its life.

My question is… Has anyone replaced the diode inside the black laser shield itself… If so, how did it go etc.

I’m thinking of getting a nubm44 diode so will be n upgrade from my current 3.5w laser too.

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