To turn on your Dell Chromebook, you simply need to press the power button.
According to the video, "Dell 3100 Series Chromebook Quick Start - YouTube", the process is as follows:
- When you open the Chromebook for the first time, locate the power button.
- Press the power button.
- The Chromebook will power on.
- Once the Chromebook starts, the first screen will prompt you to connect to your home network.