Asus addresses ACPI firmware bug on select ROG laptops, TUF models remain unaffected
Asus has begun rolling out early BIOS fixes to tackle a firmware-level ACPI bug that has been linked to performance hiccups on some ROG gaming laptops. The first wave of updates targets two 2023 machines: the ROG Strix Scar 15 (G533ZW) and the Zephyrus M16 (GU604VI). Notably, TUF Gaming models, including the TUF Gaming A14, appear unaffected despite sharing similar core hardware with certain ROG variants.
There’s an important caveat: these BIOS releases are still classified as beta. That means they’re intended to address the issue quickly, but they may evolve as testing continues. Asus has indicated that fixes for additional models should follow, though no public timeline has been provided yet.
What this means for ROG and TUF owners
– If you own a ROG Strix Scar 15 (G533ZW) or Zephyrus M16 (GU604VI), a beta BIOS addressing the ACPI bug is now available. Proceed with the usual caution that applies to pre-release firmware.
– If you own a different ROG Scar, ROG Strix, or ROG Zephyrus model, you may need to wait for a dedicated patch. Keep an eye on your specific model’s support page and the MyASUS utility for new BIOS versions.
– If you own a TUF Gaming laptop such as the TUF Gaming A14, current findings suggest your device is not affected.
Practical advice before updating BIOS
– Back up settings and important data before flashing any firmware.
– Read the release notes provided with the BIOS package to understand changes and known issues.
– Ensure your laptop is plugged in and do not interrupt the update process.
– Keep a copy of the previous stable BIOS on hand in case you need to roll back.
How to stay prepared while waiting for broader fixes
– Monitor your model’s support page and the MyASUS app for BIOS updates and driver packages.
– Keep chipset, GPU, and system drivers current, as vendors sometimes issue optimizations alongside firmware changes.
– Avoid unofficial firmware. Stick to releases provided by Asus for your exact model and year.
Key takeaways
– Issue: An ACPI firmware bug affecting certain ROG gaming laptops.
– Fix status: Beta BIOS now available for ROG Strix Scar 15 (G533ZW) and Zephyrus M16 (GU604VI).
– Unaffected models: TUF Gaming laptops such as the TUF Gaming A14.
– Timeline: Additional patches are expected, but no public schedule has been announced.
– Action: Update if your model is covered; otherwise, wait for the official release tailored to your device.
Asus’s ongoing technical investigation points to an ACPI-level problem rather than a hardware fault, which is encouraging news for long-term reliability. If your gaming rig has shown irregular performance behavior lately and it’s one of the supported 2023 ROG models, the beta BIOS is worth a look. Everyone else should hold tight for the official rollout for their specific configuration.






