B450M-HDV not booting

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   Hi I bought an Asrock B450M-HDV motherboard and I'm having issues with the startup.I have the following components:
- ASRock B450M-HDV Socket AM4
- Ryzen 3 2200G 3.5Ghz Socket AM4 Box
- 8G Adata DDR 4 2400 MHZ
- Deepcool DN500 500W Power Supply.

I've connected the 24 Pin Power supply to the Motherboard, installed the CPU and the Memory.
When it starts I have no video output, no sound (I've installed the small sound adapter to the motherboard), no power to my keyboard.

I'm not sure how I can diagnose this. I did not put the ATX12V power cable, should I?

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blinnky Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 15 Oct 2018 Status: Offline Points: 3	Post Options Post Reply Quote blinnky Report Post Thanks(0) Quote Reply Topic: B450M-HDV not booting Posted: 15 Oct 2018 at 4:59pm
	Hi I bought an Asrock B450M-HDV motherboard and I'm having issues with the startup. I have the following components: - ASRock B450M-HDV Socket AM4 - Ryzen 3 2200G 3.5Ghz Socket AM4 Box - 8G Adata DDR 4 2400 MHZ - Deepcool DN500 500W Power Supply. I've connected the 24 Pin Power supply to the Motherboard, installed the CPU and the Memory. When it starts I have no video output, no sound (I've installed the small sound adapter to the motherboard), no power to my keyboard. I'm not sure how I can diagnose this. I did not put the ATX12V power cable, should I?

kschendel Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 21 Aug 2018 Status: Offline Points: 86	Post Options Post Reply Quote kschendel Report Post Thanks(0) Quote Reply Posted: 15 Oct 2018 at 7:58pm
	Yes, you need the CPU power from the ATX12V.