motherboard isn't posting

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   I'm building a completely new pc with the components listed below. The pc powers on but does not reach POST. All the fans work (including the CPU fan w/ LED). I've double-checked the cables and their polarities (since the power and reset switches work, probably not that), I've removed and reseated the RAM, tried just one stick of RAM... The pc will not POST. 

Am I missing something obvious? What else may be my problem?

My build:
ROSEWILL Micro ATX Mini Tower Computer Case (FBM-01)
ASRock B450M-HDV
Patriot Viper Elite Series DDR4 32GB (2x16GB) 2666MHz PC4-21300 Dual Memory
WD Blue 3D NAND 1TB PC SSD - SATA III 6 Gb/s, M.2
AMD Ryzen 7 1700 Processor with Wraith Spire LED Cooler

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marshabal Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 03 May 2019 Location: Kentucky Status: Offline Points: 3	Post Options Post Reply Quote marshabal Report Post Thanks(0) Quote Reply Topic: motherboard isn't posting Posted: 03 May 2019 at 11:04pm
	I'm building a completely new pc with the components listed below. The pc powers on but does not reach POST. All the fans work (including the CPU fan w/ LED). I've double-checked the cables and their polarities (since the power and reset switches work, probably not that), I've removed and reseated the RAM, tried just one stick of RAM... The pc will not POST. Am I missing something obvious? What else may be my problem? My build: ROSEWILL Micro ATX Mini Tower Computer Case (FBM-01) ASRock B450M-HDV Patriot Viper Elite Series DDR4 32GB (2x16GB) 2666MHz PC4-21300 Dual Memory WD Blue 3D NAND 1TB PC SSD - SATA III 6 Gb/s, M.2 AMD Ryzen 7 1700 Processor with Wraith Spire LED Cooler

xhue Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 17 Aug 2018 Status: Offline Points: 634	Post Options Post Reply Quote xhue Report Post Thanks(0) Quote Reply Posted: 03 May 2019 at 11:38pm
	I think you are missing a chunk of a GPU. Ryzen 1xxx don't have iGPU in them. Basically, your monitor is hooked to 'dead' connector if no dedicated GPU is used, or you put certain 2xxx-series APU.

Xaltar Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 16 May 2015 Location: Europe Status: Offline Points: 27473	Post Options Post Reply Quote Xaltar Report Post Thanks(0) Quote Reply Posted: 04 May 2019 at 12:18am
	Indeed, you have no GPU listed and your CPU does not have an iGPU. The "onboard" display outputs exist only for APUs (2200g/2400g or Athlon 2xxGe), on a CPU like yours they are not connected to anything. You will need to use a dedicated GPU.


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: 04 May 2019 at 11:15pm
	If you just need to display stuff, a GT 710 is cheap.