I’m frustrated

Alesis DM10 Studio Kit Doesn't Sound

Hello, I'm writing because I've received the ALESIS DM10 studio kit two days ago. I've assambled it, connecting each plug of the pad to the pieces and it didn't work, it didn't sound. Actually, it seems that it doesn't receive any kind of signal from the pad to pieces.

I'm concerned that there are shown circles on the screen instead of hoops as it should be according to what I've looked for on the intenet. Here I attach a picture for you to see.
I hope you can provide me with the information so as to know if there is a way to check that all connections are well done or even to know if there is something that needs to be repaired. I'd like to know your opinion before taking it to the technical assistant.
Thank you so much you gays!
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