Question Doesnt boot up

[Kalakalas]

Hello,
I just build my pc, my gpu lights turn on, fans are spinning
My pc specs
Ryzen 5 2600
Gtx 1660
Motherboard b450m M2 pro
PSU Cx450m
My monitor shows
Reboot and select proper boot device
What to do?

 

[Kalakalas]

Hello,
I just build my pc, my gpu lights turn on, fans are spinning
My pc specs
Ryzen 5 2600
Gtx 1660
Motherboard b450m M2 pro
PSU Cx450m
My monitor shows
Reboot and select proper boot device
What to do?

My m2 ssd shows red light

 

[ss202sl]

does the ssd show up in bios? Did you install the OS?