Hey everyone! I'm relatively new to this DIY PC stuff, and I recently swapped out my power supply. Ever since I made that change, my PC has been running pretty poorly. Benchmarks show that both my GPU and CPU are at the 0th percentile, which isn't good! The system also became much louder, with the fans running at full speed all the time. Here's what I have: CPU - i5 12600kf, GPU - NVIDIA 3060 Ti, PSU - Be Quiet System Power 10 (750 W). Any tips on what might be going wrong?
5 Answers
Did you accidentally loosen the CPU cooler during the installation? That could definitely affect your performance. But if the cooler is still spinning and your CPU temp is cool, then that might not be the issue.
Your CPU and GPU might not be receiving enough power from the new PSU. It’s possible that something’s wrong with the PSU or its cables. I'd suggest checking if everything's connected properly.
If your PSU is a generic model, it might not actually deliver the full 750 W. Also, make sure you connected the direct power cable from the power supply to your GPU, because that’s crucial for its performance.
It's unlikely that the power supply is the direct cause of both the performance drop and the crazy fan speeds. Have you double-checked all your connections? Sometimes leaving something unplugged can lead to issues like this. Also, did you change any settings in the BIOS or elsewhere after the swap?
What was your previous power supply like? When you changed the PSU, did you use the new cables that came with it? Sometimes cables can differ between brands and models, leading to compatibility issues.
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