Question pc not working with my new gpu

[mxttaL]

hey,
i just got a new 1650 and my pc won't turn on when it's plugged in. all i get is one long beep, then three short beeps, and nothing on my monitor.
any suggestions?

 

[Fix_that_Glitch]

Pc setup?

 

[mxttaL]

ryzen 5 3600
asus prime b450 plus
16gb corsair vengeance 3200mhz
450w psu
512gb m.2 ssd
1tb hdd
gtx 1650