Question Newly built pc will turn on for 27 seconds and then fully turn off for a few seconds and start up again.

Oct 10, 2020
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My pc is also not giving a signal to my monitor.

my parts are:
Ryzen 5 3600
ASRock B450M Steel Legend
GeForce GTX 1660 SUPER
CORSAIR CX-M Series CX550M 550W 80 PLUS BRONZE
Corsair Vengeance LPX 16GB DDR4 3200
Intel 660p 512gb ssd

I have tried to stop the PC from constantly rebooting itself by plugging in the cpu power after I turned on the pc, for some reason this worked but the monitor still didn’t get a signal. Is anything broken?
 

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