Black Screen ASRock X570 Pro w/Ryzen 5 3400g

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   Specs:
ASRock X570 Pro
Ryzen 5 3400G - Radeon RX Vega 11
Corsair Vengeance LPX 2x8GB | 16 GB 3200 MHz

When the computer starts up, if I have the HDMI cable plugged into the motherboard directly, the computer will not start up. It powers on, but the monitor never gets a signal.

I took a PCIE graphics card from another computer and put it in. And it will work jut fine with that. However, I would like to use the Radeon RX Vega 11 on the CPU instead of a extra graphics card.

I updated the EUFI BIOS from P1.00 to P1.70.
I tried setting the Primary Video Adapter to Int Graphics (IGD).
I tried disabling the Full HD UEFI setting.
I've reset the EUFI to the defaults.

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Daryl Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 26 Sep 2019 Status: Offline Points: 10	Post Options Post Reply Quote Daryl Report Post Thanks(0) Quote Reply Topic: Black Screen ASRock X570 Pro w/Ryzen 5 3400g Posted: 26 Sep 2019 at 5:59pm
	Specs: ASRock X570 Pro Ryzen 5 3400G - Radeon RX Vega 11 Corsair Vengeance LPX 2x8GB \| 16 GB 3200 MHz When the computer starts up, if I have the HDMI cable plugged into the motherboard directly, the computer will not start up. It powers on, but the monitor never gets a signal. I took a PCIE graphics card from another computer and put it in. And it will work jut fine with that. However, I would like to use the Radeon RX Vega 11 on the CPU instead of a extra graphics card. I updated the EUFI BIOS from P1.00 to P1.70. I tried setting the Primary Video Adapter to Int Graphics (IGD). I tried disabling the Full HD UEFI setting. I've reset the EUFI to the defaults.

Daryl Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 26 Sep 2019 Status: Offline Points: 10	Post Options Post Reply Quote Daryl Report Post Thanks(0) Quote Reply Posted: 27 Sep 2019 at 2:21am
	I have also done the following: Unseated both ram chips and rebooted. Unseated both ram chips and put one ram chip in. Unseated that ram chip and put a different ram chip in. Additionally, it originally worked to install Windows 10 Home. I installed the video driver on the website. The monitor flickered off and back on like it does whenever you install a new driver. Then it asked me to reboot. After rebooting, the motherboard never again sent a signal to the monitor. I couldn't see the post screen, etc. But plugging in a different video card allowed the machine to work. So the machine will boot up and work just fine in windows w/a different graphics card.

Vulpie05 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 26 Dec 2018 Status: Offline Points: 64	Post Options Post Reply Quote Vulpie05 Report Post Thanks(0) Quote Reply Posted: 27 Sep 2019 at 9:21am
	I had a similar problem, but the exact opposite. B450 Pro4, Ryzen 2200G was working just fine, but then I installed a 1660 Ti, and I couldn't post. I swapped dimms, etc. but my computer would not post. Keyboard and mouse lights would not light up. I was afraid I bricked the mobo. However, I then cleared the cmos, and then I was able to post! I'm not sure exactly what went wrong, but it works now. Anyway, I would try clearing cmos if you have not done so. Also give your computer a little extra time to boot up after you do so.

Daryl Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 26 Sep 2019 Status: Offline Points: 10	Post Options Post Reply Quote Daryl Report Post Thanks(0) Quote Reply Posted: 30 Sep 2019 at 12:10am
	I tried the cmos reset multiple times. And many cmos options. When I contacted their support, they didn't have any other suggestions and said to try a different cpu if I had one and if not to just return both my CPU and motherboard. Not my favorite answer from a technical support question.