System shuts down during inactivity, especially with 5900X detected as a problem.
System shuts down during inactivity, especially with 5900X detected as a problem.
Hello everyone, I'm facing an unusual problem with my 5900X when it's idle or running at very low load. My goal is to adjust the base frequency while still enabling boost when needed. In the BIOS I couldn't find the right settings. How did this situation develop? This machine comes from my dad's computer, which mainly handles office tasks and programming. The plan was to overclock it so he wouldn't have to upgrade for a long time—his old PC was an I7 3770. He would work and send emails, then the system would freeze, leaving only an image on screen. Trying to put it to sleep by pressing the power button didn't help, even though it was supposed to work. I attempted several troubleshooting steps: ran a Windows file check (sfc), turned off DOCP, cleared CMOS, used Cinebench for an hour with updated drivers and GPU settings (max performance), changed RAM to a working unit, disconnected non-essential ports, booted from a backup SSD, and removed the 980 PRO drive. I also checked the PSU, CPU, memory, and cooler. I didn't change the motherboard model, but switched the CPU from his 5700G to mine, which fixed the issue. Now my PC runs smoothly with the 5700G at 4.2GHZ. The problem appears only when CPU utilization is low; it disappears when clocks are higher. Currently I have the 5900X in my system and locked at 4.2GHZ, but that's not ideal for such a powerful chip. I'm seeking advice on how to set a base clock while still allowing boost frequencies. I wasn't able to do this with his ROG B550I, only setting a fixed frequency. Any guidance would be greatly appreciated, David.
Appreciate your feedback. The C states were turned off as instructed, but the CPU isn’t boosting properly. In PBO everything was set to AUTO and didn’t function. Switching it back to ENABLED didn’t help either. Could you look into other settings or configurations? Thanks.
You can manually adjust your CPU clock, which may affect PBO settings. If this doesn't resolve the issue, consider resetting your CMOS and retrying. Keep in mind that if BitLocker is active, you'll need to re-enter your unlock key and possibly reconfigure other options.
Do you have the chipset drivers or power plans for Ryzen set up? It's unclear if adjusting the Ryzen power settings in Windows would help or worsen the problem. Are there any specific motherboards involved? Since the CPU is likely the main factor, it might be an issue with that component. I've tried turning off 4 cores to mimic an 8-core configuration for the 5700/G model—no other shared components seem to be the cause. I've also experienced problems with USB hubs, sticks, and faulty SATA drives before.
Hi, glad to hear you're making progress. After several tries to figure out the problem, I reset the BIOS as instructed and turned off the C-state. Everything seems to be working well now, with the CPU turbo performing just like before. I intend to keep it running for about a week to confirm the issue doesn't return and everything stays stable. By the way, after resetting the BIOS, I realized the cause of the problem. Previously, to fix the constant speed lock, I changed the TPU setting from TPU to TPU1 and set the multiplier to 42. When I tried to reset it back to zero, it defaulted to 28—the lowest multiplier—and kept locking the system. Even after applying PBO and setting all voltages to auto, the multiplier still stuck at that value. Of course, once I reset the BIOS again, it returned to auto mode. At least I gained some insight from this experience. Thanks for all your support!
Hi, I've updated all chipset drivers and BIOS on both MBs. The original one is a TUF gaming B550, and the second is a ROG Strix B550I. Concerning the Ryzen power settings, I didn't install any changes, and before I adjusted the Windows power plan, it was never modified. I also swapped out the SSD, which had a different Windows installation, so any settings that might have caused this would have been altered. For my analysis, refer to my previous response. I noticed the problem only occurs at low utilization; running Cinebench for an hour went fine. I disconnected everything unnecessary from the PC—USB PCIe card, all back USB, case connectors, and fans. It seems the instability was due to underclocking and undervolting caused by C-state. I'm planning to run it for a week to confirm the issue doesn't return. Thanks!