I'm experiencing a frustrating issue with my ASUS ROG Zephyrus G16, which consistently hard freezes about 10 to 20 minutes after the screen times out or when it enters sleep mode. There's no blue screen or crash dumps, just a black screen that requires a hard reset to recover. My system specifications include an Intel Core Ultra 9 285H CPU, an Intel Arc 140T integrated GPU, and an NVIDIA RTX 5080 discrete GPU, all running on Windows 11. I originally had the system set to S0 Modern Standby but switched to S3 during testing, yet the problem persists.
The freeze exhibits specific behaviors: the screen goes black, the caps lock key becomes unresponsive, and the fans and SSD LED stop functioning. Interestingly, I've found that the system remains stable if I disable Wi-Fi after performing a clean installation of the Intel iGPU driver. However, any reactivation of Wi-Fi instantly triggers the freezing issue again. This leads me to suspect there may be a problem with power management or a conflict triggered by network activation. I've tried various workarounds, like disabling certain BIOS settings and system features, but nothing has resolved the issue fully.
I'm curious if anyone else with the Intel Core Ultra 200 series has experienced similar freezing, whether Wi-Fi could be affecting power management, or if there are other suggestions for what adjustments I might make. Additionally, I'd like to know if there's a way to limit package C-state depths without increased power draw and if there's any known regression related to Windows 11 with this hardware. Lastly, if this is a hardware issue, would BestBuy handle it under warranty?
4 Answers
I agree that running a system monitor might help track down the culprit. However, considering that you’ve performed clean installs and tested various configurations already, it could be a deeper issue, likely related to the iGPU if everything's stable without it. Have you checked if your BIOS has any settings related to power management that might be affecting the CPUs' C-states? That might help you manage the power draw without sacrificing too much performance.
You may want to look into getting those crash dump files even though there’s no BSOD. It could give more insight into what's happening. If you can boot into Safe Mode, check the C:WindowsMinidump folder for any files. You could upload any found files to a file-sharing service, as multiple dumps would provide better data for troubleshooting. If the problem continues, you could also consider running the Specify tool, which gathers comprehensive system info that could help pinpoint the issue.
It sounds like you've really investigated this issue thoroughly! Your observations about the Wi-Fi connection triggering the freeze seem crucial. I’d definitely recommend doing an antimalware scan just to rule out any malicious software that could be affecting your system. Also, try using a system monitor to check if any components are overheating during the freezes. If something is consistently maxed out, it might be the cause of the shutdowns.
You've covered a lot of ground with your tests! With the persistent freezes following Wi-Fi activation, it suggests a possible firmware or driver conflict. It might be worth reaching out to ASUS support and checking if there’s any firmware update available that addresses these deep package C-state issues. They can also clarify their warranty policy regarding potential hardware failure, especially if the system is still under warranty.
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