I recently completed a PC build for my brother, and while everything seems to power on—RGB lighting and fans are working—I'm getting no display at all. I connected the monitor to the GPU but there's still nothing on screen. I've noticed the power button on the case is blinking, which I haven't seen before.
So far, I've tried reseating the RAM (including testing with my RAM from another build) and reseating the GPU, plus I double-checked that the HDMI cable and monitor are both functioning. It seems like the motherboard isn't dead since everything else is booting up and USB ports are operational.
Could the issue be with the CPU or PSU? Here's a quick rundown of the components used in this build:
- CPU: I7 14700k
- GPU: Nvidia RTX 5060 Ti 16GB
- RAM: 2x 16GB Crucial Pro DDR5
- Motherboard: ASUS Z790-AYX WiFi
- SSD: 2TB Crucial Pro P3
- PSU: Be Quiet Pure Power 12 M 850W
- AIO: Thermalright Aqua Elite 360
- Case: NZXT H6 Flow
2 Answers
Have you tried connecting your monitor to the integrated GPU? It might help you narrow down whether the GPU is the issue. Also, you mentioned it's all new parts—are there any diagnostic LEDs on the motherboard lighting up? That could give us more clues.
If you're not getting any output even with the integrated GPU, it might indicate an issue with either the CPU or motherboard. Since you said the motherboard isn't showing any LED lights, that could be a sign it's not booting correctly. Double-check your connections and make sure everything is seated properly.
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