Can my Chromebook be connected to a projector?

When connected to an external projector, Chromebooks tend to default to an “extended” display setting, rather than mirroring the screen. This results in items on the teacher’s screen not being shown on the projected display. To switch between screen modes, click on you icon at the lower-right corner of the screen. Look for “Extended” or “Mirror” on the menu and click on it. You will be given the option to toggle between the two settings.

Key Display-related Terms -

  • Extended desktop:  The computer considers the external display (projector) to be an extension of your existing screen, as if you had just made your screen wider. Users typically first notice that their desktop background image shows up on both screens, but their buttons, clock, and web browser only show up on one of the two screens. Extended desktop can be used when the teacher wants a student activity to display overhead, while another task, such as attendance, displays on the teacher’s screen (a bit more complicated to navigate).
  • Mirrored desktop: The computer displays on the projector display exactly the same thing that is displayed on your Chromebook screen. This is the most common approach and easiest to utilize to show students what’s on the teacher’s screen.

HDMI connection - The student-assigned silver Samsung Chromebooks and grey Acer C720 Chromebooks do not have a traditional VGA connection for connecting to a projector. These devices feature an HDMI video/audio output which requires both a special cable and an HDMI-equipped projector. While newer projectors typically have an HDMI post, it is not possible for students to connect their devices to most classroom projectors on campus. Consider having the student share the resource with the teacher if display is required

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