At startup, there is no signal, there is no motherboard logo, it does not enter the BIOS, the screen says no cable connected?

Question

Computers

Assembled a new computer, everything is 100% correct. When starting, the lamps are on, the fans and the cooler are spinning, but there is no signal, there is no motherboard logo, it does not enter the BIOS, the screen says no cable connected / Mother msi b450 gaming max plus, video RX 580, percent: amd ryzen 5 3600?

Answer 1

monitor connected via hdmi\dvi\vga? Accordingly, to begin with: in the monitor settings, you need to set the signal source the way it is connected (hdmi \ dvi \ vga)