I've been unable to use my PC for a few months since it was plugged into a power strip during a series of power outages. Now that I'm finally able to use it again, the monitor isn't detecting any signal from the graphics card. I've tried a second monitor with the same result, and even the onboard video isn't working. I also tested the HDMI port on the graphics card without success. There are no POST errors, so I believe the PC is turning on, but there's no video output. Before I purchase a new motherboard, I wanted to see if there are any troubleshooting steps I could try to fix the issue. Here's my build: Ryzen 2700x, Radeon VII, ROG Strix 470x, 32 GB Vengeance Pro 3200 RAM, 512GB Samsung Pro 970, 1TB Samsung 860 Evo, Corsair 750x PSU, Corsair 100i liquid cooler, Corsair Obsidian 500D RGB.
2 Answers
I ran into a similar issue after moving. You might want to check if the power supply is still working. Since you’ve had those outages, there’s a chance it got damaged. If the diagnostics show problems with the CPU light, it might be time to look for a new motherboard as well.
Sounds like that might be a motherboard issue, possibly caused by the power outages. You should check the diagnostic lights on the motherboard. If one of them is stuck on (like the CPU light), it could point to a problem there. If none of the lights are on, try removing the graphics card and all drives, then reseating the RAM. Just make sure you know that your CPU doesn’t have integrated graphics, so the onboard outputs won’t work even if everything else is fine.
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