Windows 10: Intel Speedstep not working for Dell Latitude E7240 (i5 4300U)

  1.    29 Jul 2015 #1

    SOLVED: Intel Speedstep not working for Dell Latitude E7240 (i5 4300U)

    I just did the retail upgrade to Windows 10 Pro x64 from 7 Pro x64 on a Dell Latitude E7240 (i5 4300U, 8GB RAM, HD 4400 Graphics). So far everything seems good except that my CPU is always above 2.5 GHz, even when idling (guess I can't be too surprised with launch-day bugs haha). I also reinstalled the latest chipset drivers from Dell, and unfortunately no difference. Clicking on properties for "This PC" seems to indicate a possible clock speed of 1.9 GHz, so it looks like it knows that it can be throttled (although I believe I've seen it throttle almost to 1 GHz). I never had issues with throttling on Windows 7... has anyone else had this issue?

    Edit: Found the issue!
    Turns out I was a dummy and forgot to recheck my power settings. I was set to max performance which disables Speedstep, I guess the upgrade changed those settings. Customizing them in the advanced settings page fixed it, running at 800 MHz now :)
    Last edited by SnoopKatt; 31 Jul 2015 at 14:06. Reason: Found the solution!
      My ComputerSystem Spec


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