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MACBOOK PRO ACTIVITY MONITOR SPIKES WHEN ON BQATTERY POWER UPDATE
MACBOOK PRO ACTIVITY MONITOR SPIKES WHEN ON BQATTERY POWER PRO
MACBOOK PRO ACTIVITY MONITOR SPIKES WHEN ON BQATTERY POWER MAC

In macOS Big Sur or later, choose Apple menu  > System Preferences, click Battery, select Battery in the sidebar, then click Battery Health.

You can check the health of your battery in Battery preferences or the Battery status menu:

Turn on "Low power mode." This setting reduces energy usage to increase battery life.

MACBOOK PRO ACTIVITY MONITOR SPIKES WHEN ON BQATTERY POWER PRO

Turn on “Automatic graphics switching.” This setting lets MacBook Pro models with multiple graphics processors automatically switch between them to maximize battery life.

MACBOOK PRO ACTIVITY MONITOR SPIKES WHEN ON BQATTERY POWER MAC

Turn off “Enable Power Nap while on battery power.” This setting prevents your Mac from checking for mail or other iCloud updates during sleep which improves standby time.

Turn on “Slightly dim the display while on battery power.” This setting lets your Mac adjust the display brightness to 75% when you unplug the computer from power.

The example above is from macOS Monterey. Some features such as Automatic graphics switching and Power Nap aren't available on all Mac notebooks or versions of macOS.įor maximum battery life, use the following settings: To view Battery settings, choose Apple menu  > System Preferences, click Battery or Energy Saver, then select Battery in the sidebar. Tested and worked for me at 10.13.2 on Early 2011 MacbookPro.The Battery pane in System Preferences has settings to help improve the battery life on your Mac notebook.

If successful restart again in Recovery Mode and enable system protaction again with csrutil enable.Restart and check if kernal_task process is down below 10%.Restart and rename /System/Library/Extensions/IOPlatformPluginFamily.kext/Contents/PlugIns/ACPI_SMC_PlatformPlugin.kext/Contents/Resources/.plist (Mac > About > System Report > Model Identifier) to ist (or something else).Utility > Terminal csrutil disable (Disable system file protection).Start intro Recovery Mode (press CMD + R while startup).Rename IOPlatformPluginFamily.kext/ACPI_SMC_PlatformPlugin.kext/.plist Step by step: After installing OSX updates you may need to repeat the above procedure if the updates have re-created the kext.Sudo mv X86PlatformShim.kext Ĭlear kext cache (not sure if this is needed) sudo touch /System/Library/Extensions/ I have tried many things, but this works.ĭisable kext by renaming it cd /System/Library/Extensions/IOPlatformPluginFamily.kext/Contents/Plugins Instructions are included below for convenience. For Ivy-Bridge Macs and a little earlier Richard Schwarting has found the appropriate file to disable. The solution he mentions on his blog should work for earlier Macs. Therefore ‘consuming’ (with the highest priority) the majority of the CPU in a The kernel will keep looping some very simple tasks, e.g. But when I started searching using Chrome it immediately happened. I just left my 3 monitors plugged in for 5+ mins and it didn't happen. Whenever my CPU hits 58 degrees it seems to occur. I think the issue has to do with power management. I have 3 external monitors (Dell 2415H) with 2 connected by Display Port and 1 with the HDMI. I am running a MacBook Pro Retina 2.7Ghz i7 (Macbook10,1 / Mid 2012) running Yosemite 10.10.1. NOTE: When trying some of these things sometimes it takes 1min to happen. Using integrated graphics by using sudo pmset -c gpuswitch 0.Disabling "Automatic Graphics Switching" in Energy Saver.Attempting the above scenario with power adapter plugged in and running on battery.Sometimes when I plug all 3 in it takes 3 mins+ for it to occur.Sometimes removing all but one will fix it. After this happens, all monitors must be removed for it to return to normal. Occasionally when plugging in two monitors it works (DP or HDMI) but the 3rd causes an immediate spike.

MACBOOK PRO ACTIVITY MONITOR SPIKES WHEN ON BQATTERY POWER UPDATE

(In Activity Monitor goto View > Update Frequency > Very Often and as soon as you disconnect the monitors, you will get lots of rapid updates to the UI).

When I disconnect all monitors the kernel_task rapid returns to normal levels.

When I disconnect either the DP or HDMI sometimes the kernel_task rapidly returns to normal levels.

When I connect a second monitor with either DP or HDMI kernel_task spikes.

When I connect one monitor to either DP or HDMI things work fine.

This makes the computer unusable.īefore Yosemite, this worked fine with 3 monitors. When connecting a second external monitor kernel_task spikes to 600%+.