Windows 10: CPU won't go above 28% ~0.78 GHz

Discus and support CPU won't go above 28% ~0.78 GHz in Windows 10 BSOD Crashes and Debugging to solve the problem; Hi.backgound:I found a few other threads with the same issue on this forum, but no solution that worked for me. This thread features the last solution... Discussion in 'Windows 10 BSOD Crashes and Debugging' started by T0SNIC, Jul 22, 2023.

  1. T0SNIC
    T0SNIC Win User

    CPU won't go above 28% ~0.78 GHz


    Hi.backgound:I found a few other threads with the same issue on this forum, but no solution that worked for me. This thread features the last solution I tried to no avail:https://answers.microsoft.com/en-us/windows/forum/all/cpu-wont-go-above-41-1-ghz/3c676a45-3540-4d71-9615-3ef6dc7430c7?page=2issue description:The Maximum CPU frequency of my computer is at 28% permanently.First, the issue was intermittent: 100% Maximum CPU frequency after rebooting, but after a few standby-phases the Maximum CPU frequency would be at 28% and stay there, even with the CPU using 28% for several minutes.Now, I e

    :)
     
    T0SNIC, Jul 22, 2023
    #1
  2. BERTON
    Berton Win User

    Help!!!! CPU operating at only 0.51 GHz


    .
    .
    Look at the Performance tab and at the bottom click Open Resource Monitor, check if you are seeing only 1 core out of the 2, 3 or 4 on the CPU. I get different speeds depending on the core, usually waiting a bit will step through the cores.
     
    Berton, Jul 22, 2023
    #2
  3. MIKE00851
    mike00851 Win User
    Help!!!! CPU operating at only 0.51 GHz


    Can someone please help? Experiencing sluggish performance and could barely browse the web.

    The CPU is operating between only 0.51 and 0.53 GHz. Normal operation for me is usually 1.17GHz - 1.30 GHz. This behavior is happening with or without the machine plugged in.

    The machine is currently plugged in and battery is at 78%.
    Also, this behavior started after moving up to Windows 10 from 8.1
    Please help, any advice would be appreciated.
    CPU won't go above 28% ~0.78 GHz 80240d1485967146t-help-cpu-operating-only-0-51-ghz-pic-1.1.png

    CPU won't go above 28% ~0.78 GHz 80241d1485967146t-help-cpu-operating-only-0-51-ghz-pic-1.png
     
    mike00851, Jul 22, 2023
    #3
  4. ERICPERIGNY
    EricPerigny Win User

    CPU won't go above 28% ~0.78 GHz

    CPU limited to 28%

    Hi, I have a Dell XPS 9560 with an i7 7th gen quad core clocked at 2.8 GHz

    My computer has been slower lately and I discovered this morning in the Performance tab in the Task Manager that the CPU shows at 0.78 GHz and max out at 28%. (which kind of makes sense since 0.78/2.80GHz=28%)

    I went to the BIOS to reset it to factory defaults and it didn't change a thing.

    I read that it can happen when the computer is unpluged or is using a "jobber" power adapter but I am using my OEM adapter.

    I also tested with Intel diagnostic tool and every tests passes. I don't feel it's an hardware issue....

    Is there a setting somewhere in Windows that could limit CPU usage?


    CPU won't go above 28% ~0.78 GHz 04806d02-779e-4bf1-a722-83ddad2367d8?upload=true.jpg
     
    EricPerigny, Jul 22, 2023
    #4
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