Windows 10: Cpu going .40-.50 ghz at 20 percent cpu!

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  1.    24 Feb 2018 #1

    Cpu going .40-.50 ghz at 20 percent cpu!


    Yesterday I just resetted my laptop and I've been experiencing some problems when I play a game my cpu goes 2.6ghz then randomly out of no where it goes .40ghz or .50 the worse part is the percentage of my cpu is only 20-40 no programs making it high or anything, I'm not running things in background, my laptop isn't over heating please some give me some tip or solution to fix this and thank you !


    Specs:Intel(R) Pentium (R) CPU N3540 @2.16GHz

    4.00 GB (3.89 GB usable)
    64-bit operating system, x64 based proccesor


    Os Build-14393.0

    Windows 10 version 1607
    Last edited by Lovealll; 24 Feb 2018 at 20:37.
      My ComputerSystem Spec

  2.    24 Feb 2018 #2

    Are you seeing any performance degradation in your game?

    It's normal for your CPU speed to drop down to a few hundred MHz when nothing much is using the CPU.
      My ComputerSystem Spec

  3. Berton's Avatar
    Posts : 5,393
    Win10 Home and Pro, Win10 Insider Preview, WinXP Home Premium, Linux Mint
       24 Feb 2018 #3

    And just because a CPU or parts are not overheating does not mean they have not been overheated. I junked a nice Gateway desktop the other day because of heat damage, sufficient to prevent Win10 to be re-installed clean.
    Last edited by Berton; 24 Feb 2018 at 23:06.
      My ComputerSystem Spec

  4.    24 Feb 2018 #4

    PolarNettles said: View Post
    Are you seeing any performance degradation in your game?

    It's normal for your CPU speed to drop down to a few hundred MHz when nothing much is using the CPU.
    When speed drop down the performance is terrible like it's like I lag so much I move every 2 sec step by step I can try to send a vid of it if needed
      My ComputerSystem Spec

  5.    24 Feb 2018 #5

    That sounds like thermal throttling then.

    Can you run HWiNFO - Hardware Information, Analysis and Monitoring Tools and check the sensor status?

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  6.    24 Feb 2018 #6

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  7.    24 Feb 2018 #7

    The temperature is like that because my laptop is on my bed but when I wasn't on the bed it still did the same.
      My ComputerSystem Spec

  8.    25 Feb 2018 #8

    Are you able to get this to happen reliably? How long does the CPU speed stay low?

    In HWINFO Sensor Status, start a log when the CPU is running normally.
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    Then play your game until you see the CPU speed drop and stop the log.
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    Also, save reports from when the CPU speed is normal and from when the CPU speed is low. Attach all 4 files to this thread and we can take a look to see what exactly is happening.
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      My ComputerSystem Spec

  9.    25 Feb 2018 #9

    PolarNettles said: View Post
    Are you able to get this to happen reliably? How long does the CPU speed stay low?

    In HWINFO Sensor Status, start a log when the CPU is running normally.



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    Then play your game until you see the CPU speed drop and stop the log.
    Click image for larger version. 

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    Also, save reports from when the CPU speed is normal and from when the CPU speed is low. Attach all 4 files to this thread and we can take a look to see what exactly is happening.
    Click image for larger version. 

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    Hey, It didn't go down this time but I did notice something when i minimize the game the speed drops to 0.40-0.80 but when i quickly minimize i can see when for a second that when i run game it going 2.64Ghz also
      My ComputerSystem Spec

  10.    25 Feb 2018 #10

    Also check in your power plan settings that the maximum CPU speed is set to 100%.
      My ComputersSystem Spec


 
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