Performance after updating Windows can vary; speeds may change depending on the CPU model and system configuration.
Performance after updating Windows can vary; speeds may change depending on the CPU model and system configuration.
Hello everyone... I'm facing an issue with the new Windows update. My CPU is at 6850k and it's been overclocked to 4.4 for a year without any problems before. Now, after the update, Windows isn't using the overclock even though the BIOS still supports it. All my benchmarking tools are showing results at stock speed, and no one has reported this problem. Could anyone have experienced something similar? Thanks!
I tested every monitoring tool I could find—CPU-Z, AIDA64, and Windows Task Manager—each showing a stock speed of 3.8 GHz under maximum load. I’m confident the problem is linked to an update, since after reinstalling Windows and overclocking to 4.4 GHz, everything worked fine. Then I upgraded to the latest version again, but the speeds immediately returned to stock levels. Throughout this, I never adjusted the BIOS settings, and it remained consistently overclocked at 4.4 GHz.
Review every power-saving feature, idle cores, and similar settings. If possible, share a screenshot displaying load levels and throttling behavior using Aida, CPU-Z, or HWmonitor. I’m not confident in Task Manager for overclocking.
I verified the power plan and switched it to high performance, but it didn't resolve the issue... Here are Aida64 screenshots showing temperatures and clocks. Before the update, all cores ran at 4.4 with temps around 65°C, but after the update, clocks dropped to 40 and 38 (using 6850k RAM).
I located the specific fix that resolves the issue—KB4100347. Removing it restored the speed to version 4.4. Below are the screenshots taken after uninstalling the update.