Waking a Chromebook Who: Techs or Staff Users What: Waking a Chromebook when it’s in sleep mode. Note: This is if the device isn’t powering on, even if you have been charging it AND the light on the side is blue. Solution: Press the power button (located on the side of the device) + the Refresh key (it looks like an arrow in a circle. Hold them both down for 10 seconds until you see the ChromeOS screen turn on. Note: You may have to plug it in to a charger before trying this step. If you have done this, and it still isn’t working, please contact Tech Support.