ASRock B450M R4.0 won't boot

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   The PC part list is here for reference: https://pcpartpicker.com/list/DwTXNq

Not my first build, but it's not my PC. It's a friend that I'm helping. I cannot figure out why I'm getting a CPU error from my mobo speaker. 

I have reseated every single part, reset CMOS, all fans are working correctly. Could a failing PSU be triggering the 5 beeps? Nothing will display on the monitor. It's just black. After about 3 minutes the system shuts down after repeating the 5 beeps a few times.

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Restinpeace120 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 08 May 2020 Status: Offline Points: 3	Post Options Post Reply Quote Restinpeace120 Report Post Thanks(0) Quote Reply Topic: ASRock B450M R4.0 won't boot Posted: 08 May 2020 at 8:06am
	The PC part list is here for reference: https://pcpartpicker.com/list/DwTXNq Not my first build, but it's not my PC. It's a friend that I'm helping. I cannot figure out why I'm getting a CPU error from my mobo speaker. I have reseated every single part, reset CMOS, all fans are working correctly. Could a failing PSU be triggering the 5 beeps? Nothing will display on the monitor. It's just black. After about 3 minutes the system shuts down after repeating the 5 beeps a few times.

datonyb Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 11 Apr 2017 Location: London U.K. Status: Offline Points: 3154	Post Options Post Reply Quote datonyb Report Post Thanks(0) Quote Reply Posted: 08 May 2020 at 8:31am
	things to try some other ram stick (p.s. that choice of 1x16gb was a bad one , 2x8 would have been far far better) but patriot isnt high on the list of amd am4 compatable sticks to be honest, so can you get hold of another stick of ddr4 to try
	[url=https://valid.x86.fr/jpg250][/url] 3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold

Synapse Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 12 Dec 2019 Status: Offline Points: 62	Post Options Post Reply Quote Synapse Report Post Thanks(0) Quote Reply Posted: 08 May 2020 at 10:20am
	If you got that "new" Ryzen 5 1600 AF CPU, the BIOS on the board might not recognize it. AMD recently re-issued Ryzen 5 1600 on the Zen+ 12nm process, and since it's nominally a new CPU, the board might need a BIOS flash.