Disable the setting: "Battery saver status until next recharge".Untick the option for: "Turn battery saver on automatically if my battery falls below.".Double-click the battery icon ( not right-click) at the right-bottom of the screen (in the tray).To resolve it, I did the following (perhaps this could work for you too): I noticed at the right bottom of the screen that although the laptop was plugged into power, the battery icon said "not charging" and battery level was 1%. The CPU ran at 30% maximum utilization, at 0.48Ghz PERMANENTLY, every day. The machine took almost 30 minutes to open Outlook and was terribly slow in general.
CPU THROTTLED AT 91 BY WINDOWS WINDOWS
I had exactly the same problem at a client today with a Windows 10, Dell Celeron Laptop. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\intelppmĪfter that the CPU was no longer being clocked down to a low speed, and the Maximnum Frequnency under Resource Manager now shows as 100%. At the left pane, navigate to the following registry key:.In run command box, type regedit press Enter to open the Registry Editor.Simultaneously press the Windows image + R keys to open the 'Run' command box.This may especially be the case when slowness occurs on Laptops which are currently plugged in. I finally found that I needed to prevent the "intelppm" service from starting (and subsequently malfunctioning), using the registry. I tried adjusting everything within Windows Battery and Performance settings that I found here and on other forums, but to no avail.
This defines the maximum speed percentage which Windows will allow the CPU to run at. (This should instead be showing at about 100%). From here I found that Maximum Frequency was capped at 30%. If I went under Task Manager > Performance, I found that CPU usage would not go over 30%, and the Speed was clocked down to 0.78GHz.Īt the bottom of the Performance tab there is a button to Open Resource Monitor.
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