Laser dot very dim

Hello I have 44 watt laser with a masso controller and I’m having trouble seeing the laser to zero it at m3 s15 it used to very visible I have cleaned the lens and bumped it up to s20 and still it is hard to see, when I first went to use today it was very bright on the first file then when I went to cut another it was really dim, it is on but can’t really see it! thanks for listening

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The guys at Jtech had me turn the pot to maximum (clockwise) when I felt like my 44w was under-performing. Didn’t make a bit of difference. I’m not sure that the Jtech 44w laser is worth the price really. I can’t even cut 2.7mm plywood with one pass at 20mm/sec, has to be 15 or less and I get some partial uncuts if there is even a hair of warp in the plywood. And yes, I’ve cleaned the lens and no joy.