Question Mobo, leds and fans turn on, but no image or perioherals

Feb 3, 2021
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Good afternoon.

I have just assembled my pc:

Aorus x570 pro wifi mobo
Ryzen 5800x cpu
Xpg gammix D10 2x8gb 3200hz ram
Geforce 3070 asus tuf
2 wd 480gb ssd
6 led rgb fans

The pc turns on and have its lights and leds on, but I have no lights on mouse or keyboard, and no image being displayed in any of the gpu exits. Plus, the speaker does not make any sound. Can anyone help me?