I recently built my first PC using a mini ITX setup and have been experiencing issues with stuttering and random GPU usage spikes, which is ruining my gaming experience. My specs include an AMD Ryzen 7 7700x CPU, an MSI Nvidia Geforce 4070 Ti SUPER for the GPU, and 32GB of DDR5 RAM. Even when I'm just navigating the desktop, I notice stuttering, especially when launching Chrome to watch videos. The issues worsen when playing games like Hogwarts Legacy, where the frame rate drops drastically and the game actually crashes. I've checked temperatures and they seem fine, and I've taken apart my PC to reseat components, thinking it might be a cable issue. Despite some improvements, I'm still facing problems, especially with specific games still crashing and stuttering. I've attempted various solutions like updating drivers, changing GPU settings, and troubleshooting with event viewer errors, but I could really use some help figuring this out so I can enjoy smooth gaming without interruptions.
4 Answers
Have you checked if XMP is enabled for your RAM in the BIOS? Sometimes that setting can be overlooked, and if it's not activated, it could slow down performance. Also, ensure your monitor is connected directly to your GPU rather than the motherboard—simple fixes can often resolve complex issues!
When reinstalling your drivers, did you use DDU (Display Driver Uninstaller)? It's recommended for clean installations to avoid conflicts with old drivers. The rainbow glitch sounds like your GPU might be unstable, so consider checking the voltage and frequency settings in your GPU management software.
I found a great optimization guide that could be worth checking out! It has a section dedicated to performance issues that could help with stuttering, especially if you're using a controller. If you follow the steps mentioned, particularly focusing on the optimization part, you might see an improvement!
Following up on the driver situation, just downloading the latest NVIDIA driver directly from their website can help a lot. Sometimes Windows installs its own drivers, which aren't optimized. You might also want to enable Hardware Acceleration in Windows settings.

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