I just built a new PC, and everything seems to be powering on fine, but I'm not getting any video output to my screen. I don't think it's a CPU problem since all the fans are running. I've tried a bunch of troubleshooting steps, including using just one RAM stick in the A2 slot, testing without the GPU, and flashing the BIOS multiple times with both stable and beta versions. The motherboard doesn't have any troubleshooting LEDs, which makes it harder to figure out what's wrong. I've also switched HDMI connections between the motherboard and GPU, cleared the CMOS, and reseated the CPU, but I'm still getting nothing. Here are my specs:
- Case: Lian Li Lancool 216 White RGB
- Motherboard: Asus Prime B650-PLUS WIFI
- RAM: (2x8) 16GB DDR5-5200 Corsair Vengeance
- CPU: AMD Ryzen 5 9600x
- Cooler: Thermalright Peerless Assassin 120 SE
- GPU: Gigabyte Nvidia RTX 3070 8GB
- PSU: Corsair RM750e
2 Answers
Have you double-checked all your power connections? There should be an 8-pin connector for the CPU at the top left of the motherboard, a 24-pin connector on the right side, and the GPU should have its required cables connected properly. Ensuring those connections are solid can sometimes solve the no display issue.
Flashing the BIOS can be tricky. If it powered off quickly while you were updating, that could indicate the flash failed. If it blinks for a while and then turns off, it usually means the update was successful. Keep an eye on those indicators as they're pretty important for diagnosing your problem.
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