Using Ectool

ectool is a utility that is used to interface with the ChromeOS Embedded Controller. It is used to communicate with the embedded controller from userspace and vice versa.

Uses

TIP

Run ectool help for a full list of commands.

Some common uses of ectool include:

  • Accessing the EC console: ectool console
  • Controlling the fan with ectool fanduty <percent>
  • Set the keyboard backlight in devices that have it: ectool pwmsetkblight <percent>
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