X570 phantom gaming 4 boot led

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   Built my PC and it worked fine. Got windows running and used it for about an hour then screen went black and it will no longer post. 
When I turn on the PC the lights and fans turn on but the screen stays black. (Not a monitor problem I checked) the CPU and dram red LED lights come on for a second then the boot light comes on and stays on. Any idea how to fix this?

Build details:
ASRock x570 phantom gaming 4
Ryzen 7 3800x
Gigabyte rx 5700xt 8gb
2x8gb Corsair vengeance ddr4
Corsair rm750x fully modular 750w psu
Wd blue 500gb m.2 SSD
Seagate 4tb hdd

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ksac62 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 15 May 2020 Status: Offline Points: 7	Post Options Post Reply Quote ksac62 Report Post Thanks(0) Quote Reply Topic: X570 phantom gaming 4 boot led Posted: 15 May 2020 at 5:27am
	Built my PC and it worked fine. Got windows running and used it for about an hour then screen went black and it will no longer post. When I turn on the PC the lights and fans turn on but the screen stays black. (Not a monitor problem I checked) the CPU and dram red LED lights come on for a second then the boot light comes on and stays on. Any idea how to fix this? Build details: ASRock x570 phantom gaming 4 Ryzen 7 3800x Gigabyte rx 5700xt 8gb 2x8gb Corsair vengeance ddr4 Corsair rm750x fully modular 750w psu Wd blue 500gb m.2 SSD Seagate 4tb hdd

ThreeDee Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 24 Jul 2019 Location: Billings,MT Status: Offline Points: 2396	Post Options Post Reply Quote ThreeDee Report Post Thanks(0) Quote Reply Posted: 15 May 2020 at 10:53am
	Try a different PSU?
	\|Ryzen 5 5900\|ASRock X570 Taichi-BIOS 4.60\|2x16GB HyperX Predator RGB 3200@3600 1:1 IF\|ASRock RX 6700XT\|2 x PCIe 4.0 M.2 Drives for OS & Games\|850 WTT Seasonic 80+ Titanium PSU\|Noctua NH-D15\|

ksac62 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 15 May 2020 Status: Offline Points: 7	Post Options Post Reply Quote ksac62 Report Post Thanks(0) Quote Reply Posted: 15 May 2020 at 9:35pm
	Don't have another one to try

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: 3139	Post Options Post Reply Quote datonyb Report Post Thanks(0) Quote Reply Posted: 15 May 2020 at 9:49pm
	ok reset the pc remove power plug from wall socket open pc case and remove the small coin sized cmos battery from mother board press and hold the pc case power button for 30 secs refit the coin battery plug back into the wall try booting the pc now remember this first boot after a reset may take 2-5 mins so just go make a cuppa
	[url=https://valid.x86.fr/jpg250][/url] 3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold

ksac62 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 15 May 2020 Status: Offline Points: 7	Post Options Post Reply Quote ksac62 Report Post Thanks(0) Quote Reply Posted: 15 May 2020 at 11:05pm
	Just tried. No change, boot error light is still on.

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: 3139	Post Options Post Reply Quote datonyb Report Post Thanks(0) Quote Reply Posted: 16 May 2020 at 1:19am
	THERE GOES YOUR CHEAP FIX......... try basics unplug ALL hard drives use 1 stick of ram in slot a2
	[url=https://valid.x86.fr/jpg250][/url] 3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold

ksac62 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 15 May 2020 Status: Offline Points: 7	Post Options Post Reply Quote ksac62 Report Post Thanks(0) Quote Reply Posted: 16 May 2020 at 1:30am
	Going to try and rebuild outside the case to make sure nothing is shorting. If not I have the replacement plan on the motherboard so I can get it replaced.

losmi-bb Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 25 Jun 2020 Status: Offline Points: 7	Post Options Post Reply Quote losmi-bb Report Post Thanks(0) Quote Reply Posted: 25 Jun 2020 at 7:41am
	Hey, The same thing literally happened to me on that board with 3600x. Did you figure it out?

ksac62 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 15 May 2020 Status: Offline Points: 7	Post Options Post Reply Quote ksac62 Report Post Thanks(0) Quote Reply Posted: 11 Aug 2020 at 8:29am
	I realize this is really late but I just "solved" it. At first I replaced the motherboard but there was no change. I then sent the cpu back to AMD for an RMA. It just got back to me now and the pc is working.

ThreeDee Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 24 Jul 2019 Location: Billings,MT Status: Offline Points: 2396	Post Options Post Reply Quote ThreeDee Report Post Thanks(0) Quote Reply Posted: 11 Aug 2020 at 9:32am
	Very frustrating I know .. but I'm glad it's working for you now
	\|Ryzen 5 5900\|ASRock X570 Taichi-BIOS 4.60\|2x16GB HyperX Predator RGB 3200@3600 1:1 IF\|ASRock RX 6700XT\|2 x PCIe 4.0 M.2 Drives for OS & Games\|850 WTT Seasonic 80+ Titanium PSU\|Noctua NH-D15\|