How to Fix: Brand new ROG G16 (RTX 5090 / Ultra 9) CPU frequency completely locked out

The ROG Zephyrus G16's RTX 5090 GPU is a powerful and high-performance graphics card, but it can be prone to issues that cause performance bottlenecks. In this case, the user is experiencing constant CPU frequency locking out of the box, which is causing Overwatch 2 to struggle with frame rates and freeze occasionally. This issue can be caused by a variety of factors, including incorrect BIOS settings, overheating, or faulty hardware.

⚠️ Common Causes

• Incorrect BIOS settings: The user may have accidentally set the CPU frequency to a low value, causing the GPU to throttle down.
• Overheating: The ROG Zephyrus G16 can overheat if it is not properly ventilated or if the cooling system is clogged with dust.
• Faulty hardware: There could be a problem with the CPU, GPU, or other components that are causing the frequency to lock out.

🛠️ Step-by-Step Verified Fixes

💡 Conclusion

To resolve this issue, try updating the BIOS to the latest version and resetting the system to its default settings. Alternatively, you can attempt overclocking and monitoring the system's temperature using software like MSI Afterburner or EVGA Precision X. If none of these methods work, it may be worth considering a hardware upgrade or seeking further assistance from ASUS support.