![]() ![]() I've scoured google and countless forums to no end, but I still don't know why this is happening. Neither helped increasing Minimum Processor state in Power Options, disabling Intel Speed Step and CPU Power management in BIOS (I didn't see any effect from these changes at all).Ĭhanging Windows Power Mode from Better Performance to Best Performance increased CPU clock frequency but did not help against slow work during screen-off state.This problem has been nagging me ever since I got this computer: Lenovo X1 Carbon 5th Gen. after wake-up)ĭrivers upgraded (not sure which exactly helped as I applied many upgrades in one go there were couple upgrades to power and thermal related devices)Ĭhanged registry as follows (this with driver upgrades fixed low clock frequency during screen-off state !!!)ĭisabling Modern Standby ("CsEnabled"=0 or "PlatformAoAcOverride"=0) did not help to avoid slow work when the screen is off, but had some other benefits (like all processes stop fully if you put your PC in sleep mode). Thanks a lot to and !īIOS upgraded from 1.17 to 1.19 (this fixed low clock freq. I had very similar issue at my Lenovo T14 gen.1 (windows 10 ver. Once that is done and S0 is disabled, you should be able to edit your Power Options, so you can set the Processor power management: The following sleep states are available on this system: Or reg add HKLM\System\CurrentControlSet\Control\Power /v PlatformAoAcOverride /t REG_DWORD /d 0Īfter running one of the above commands and rebooting, it should disable the S0 state: C:\Users\Username>powercfg /a reg add HKLM\System\CurrentControlSet\Control\Power /v CsEnabled /t REG_DWORD /d 0 If you're running 20H2 or newer, it should be PlatformAoAcOverride. If you're running Windor before (I think), you can add a CsEnabled registry and set it to 0. To disable this, you can do a few things. This standby state is disabled when low power idle is supported. The system firmware does not support this standby state. The following sleep states are not available on this system: Standby (S0 Low Power Idle) Network Connected If you see a Standby (S0 Low Power Idle) Network Connected option under available states, you have Modern Standby enabled. To check if Modern Standby is enabled, open CMD and write powercfg /a. Windows has introduced a feature called Modern Standby. So I think I managed to find a solution to my problem. It seems to be somewhat more stable when the screen is on, however, so I'm keeping it up if someone stumbles upon it. Why is the CPU "sleeping" at extremely low clock speeds, when the CPU hits 100% utilization? Why does Windows 10 or the laptop think it's okay to tell the CPU to "sleep"/preserve power, when the screen is turned off but I am actively using the PC via RDP? Is there a fix to this? So many questions and nobody has the answer, according to the 20 sites I've went to.ĮDIT: Nope, this did not fix my issue. ![]() I'm tech savvy and I need some answers, so please, fire away. ![]() So now I have to either choose between having a CPU running at 0.39 GHz OR a CPU running at 4.3 GHz basically all the time, but the screen is turned on at the lock screen, so it might burn in after a while. However, when the screen goes to sleep/turns black, it instantly sets the clock speed to 0.39 GHz again. HOWEVER, the laptop basically sits in a corner while I work, because I RDP into it from my desktop PC, which has more monitors, better keyboard, and so on. That seemed to help and I rarely get stuck at 0.39 GHz again.
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