Google Chrome drains battery. Laptop runs hot. Fans runs loud.

Last modified on 04/03/2020

Teachers report an issue with MacBook Air and MacBook Pro battery being drained way too quick. This KB shows the various steps to identify the CPU usage hog and remove Google Chrome if necessary.


  • Watch the battery percent. If it goes down 2% within 5 minutes, the battery is draining too quick

  • Check Activity Monitor app in the Utilities folder to identify the process(es) that has high % CPU (80% or above)

  • If it is Google Chrome, open System Settings (the 3 dots) -> More Tools -> Task Manager. This will tell the specific tab/plug-in/other resources within Google Chrome that has high CPU usage (80% or above)

Remove Google Chrome

1. Quit Google Chrome

2. From the Finder's "Go" menu, select "Go to Folder..." 

Finder's "Go" menu with "Go to Folder..." selected

3. Enter ~/Library/Application Support/Google in the sheet that appears and click "Go"

Go to folder sheet with field for entering finder location.

4. Delete the Chrome folder by dragging it to the trash.

Chrome folder

5. Repeat step 2, but this time enter ~/Library/Preferences and delete by dragging it to the trash. preference file highlighted

6. Delete Google Chrome from the Applications folder by dragging it to the trash.


Reinstall Google Chrome

battery   chrome   fan   google chrome   

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