Will not Power On

So, my macbook stopped holding a charge so I purchased and installed a new battery. I put it all back together exactly how I took it apart. Every screw was the right screw, all the cables plugged back in perfectly.

Now, it won’t turn on at all. The screen is dark, no response to the touch bar button. And the mac makes no chime noise when plugged in.

Please if anyone could give me things to check it would be incredibly appreciated!!!