I should also mention that I had even worse throttling and heating issues this year with an ASUS Vivobook 15 (which I returned) and a Dell Vostro (which I also returned). I will report the results here for any future visitors. I will only do these 2 changes for now and see if this solves the problem. A red "POWER" text also appeared next to "PROCHOT 70C" during that time. I am going to lock the PROCHOT offset as you suggested to counter this. During the throttling I checked ThrottleStop and noticed the "PROCHOT 95C" in the main window got replaced with a "PROCHOT 70C" - I assume this is what you meant when you said Lenovo randomly changes the thermal throttling temperature. I have experienced the throttling during gaming again. I am going to try and disable BD-PROCHOT. The people at Lenovo that design their laptops to run at 200 MHz are idiots. I have an almost 15 year old laptop in my closet collecting dust. If the power limits are not set so high, maybe you will be able to increase the turbo ratio limits back towards their default values. When you find some values that you like, use the Lock option so these values do not get changed. Try using some more realistic values like 15W and 25W for the long and short turbo power limits and maybe 8 seconds for the turbo time limit. Your CPU has a 15W TDP rating so this seems to be completely overkill for your laptop. Your turbo power limits are set to 35W and 51W. This feature was added to ThrottleStop exclusively for Lenovo laptops. Lenovo has a bad habit of randomly changing the thermal throttling temperature to absurdly low values. Also check the Lock PROCHOT Offset box above it. In the Options window, set the PROCHOT Offset value to 3 and check this box. If you ever get fed up with using your defective laptop, here is what I would try. Are some of these sensors set extremely conservatively? Probably. It might be a temperature sensor on your motherboard, in your power adapter or it might be a temperature sensor that measures the back side of your keyboard to make sure your hands do not get too hot. Some sensor somewhere within your laptop is triggering this type of throttling. Lenovo is not one to share the exact details about their throttling schemes. Perhaps if your CPU temperature is higher than an average of 90☌ for 30 seconds, that will trigger AVG THERMAL throttling to kick in. THERMAL means your CPU is thermal throttling because it has reached its maximum safe temperature.ĪVG THERMAL is rarely used. If you are seriously worried about hurting your already broken laptop then do not do anything. In my opinion, your laptop is already damaged. I am adding the log files and some relevant screenshots.Ĭlick to expand.Your log file shows that your laptop is slowing down to 200 MHz. I am unclear on how to continue - What do the AVG THERMAL / THERMAL throttling mean? Should I try to clear the BD PROCHOT checkbox? I am afraid to damage my laptop. I have read multiple threads and I am still unclear on whether this is some external component such as the GPU that is throttling my CPU or maybe power issues or maybe both. In the main window, next to the Limits button, I have seen a red "Power" text a single time during throttling. Whenever I experience the throttling, the initial throttling reason always seems to be XPRO (BD PROCHOT) and a few seconds later it changes to either AVG TEMP or PL1, however the throttling continues until all the throttling reasons clear. In the logs, I have seen several throttling reasons, such as PL1, AVG temp, and XPRO. I should note that before reducing the turbo limits, the CPU sometimes reached a temperature of 100C multiple times without noticable throttling. reducing the Turbo ratio limits, from (36,36,33,33) to (27,27,24,24) - That change had significant impact on my CPU temperature and I thought for a while that I had solved the problem, but the issue returned and persisted. At -5 the CPU appeared stable but the original issue persisted.Ģ. I tried -70, -30, -10 - Those were unstable and my laptop froze. The CPU clock goes down to about 0.39 Ghz. every few minutes the game and sound starts to stutter down to an unplayable level (1-2 FPS) for about 40-50 seconds. Hello, I have been suffering from throttling of the CPU while trying to do some gaming (Apex Legends).
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