![]() 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. 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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