Important: To switch back to the default setting, next to 'Scheduler Configuration,' choose Default Restart. Next to “Scheduler Configuration,” choose Enables Hyper-Threading on relevant CPUs.In the address bar, enter chrome://flags#scheduler-configuration.Learn how to update your Chromebook’s operating system. To turn on Hyper-Threading, you need ChromeOS version 74 and up. Important: Hyper-Threading is turned off by default to protect you since it may be a security risk. As a result, some users may notice slower performance with some apps and games. To find out if your Chromebook has Hyper-Threading and learn more about the security risks, go to our Chromium page. Your Chromebook may use Hyper-Threading to increase performance in your apps and games.