I can't suspend the ACPI.sys process under Process Explorer RRS feed

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  • Why would you terminate a driver??


    Friday, October 25, 2019 2:06 PM
  •  to fix audio latency problems like other user:

    As I've had years of problems with laptops (and occationally desktops) that have large DPC latency spikes, I've finally found the solution!!!!
    First, check to see that DPC latency is indeed your problem: LatencyMon
    Anything in the red, and even yellow, will often cause problems.
    There, you can read through and find out a fix that nearly always works for people:
    1. Download Process Explorer 
    * Go to your "system" entry, and double click it (or right click -> properties).
    * Go to the Threads Tab
    * Find ACPI.sys
    * Click Suspend.
    Now, check your DPC spikes again, and $10 says that they are gone!!!
    Do you're reording, and when you're finished, open processes explorer up again. Go to System -> Threads, and Renenable the ACPI.sys.
    You will need to re-enable before shutting down, or your system will just kind of hang after the windows shutdown process (and you'll have to hold down your power button).
    Hope this helps people, it saved me - and worked on all the laptops that I was earlier having problems with."

    Saturday, October 26, 2019 10:29 PM
  • Have you tried running Process Explorer as Administrator?
    Friday, February 21, 2020 6:34 PM