Chrome OS supports different display rates, but it could sap your Chromebook battery. A change may adjust screen refresh rate based on power.
Got a broken laptop or Chromebook screen? All is not lost! By following these steps, a little time and a small investment with replacement screen does the trick. You might even be able to upgrade the display panel like I did.
Using an external monitor with your Chromebook or Chromebox? If so, you might have seen the issue that “washes out” colors on the second display. After three months, the fix is in.