Image not matching what is being engraved

Hello
Two issues with my ortur master 2 laser.
First, I made an image and extended it to fill most (3/4s) of the area. When I went to burn, the image would only cover the first 1/3-1/2 of the area available.
Second, the image did not match the same image that was on the screen: it was distorted.
Even when I made the image way smaller, the proportion were all off, and it barely looked like what I told it to burn.
Any guidance would be greatly appreciated!
Thank you!

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