This article is intended for users who want to Faculty, students, and staff can connect a MacBook via HDMI cable to a projector. You Users can also change the settings of your for the connection, such as like audio, resolution adjustment, and changing the display settings.
Connecting HDMI Audio with a MacBook
When connecting a MacBook to a classroom system via an HDMI cable, you will need to tell your computer to output the sound through the HDMI output. To do so,
- Connect the HDMI cable from the classroom system into to your laptop’s HDMI port.
- Power on the classroom system and select .
- Select Laptop HDMI.
- Click the Apple Icon icon in the top left corner, then choose .
- Choose System Preferences.
- Click the Sound icon from the second row.
- Select the Output tab.
- Choose the Extron D option.
- When you have finished using the HDMI connection, remove the HDMI cable from you laptop and your . Your laptop will default back to the internal speakers.
| Note | title | Note
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When outputting audio through the HDMI port, the only audio control will be from the classroom program volume bar. There is no volume control on your laptop with this option. |
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Changing MacBook Display Settings When Connected to a Projector
To change your MacBook's display settings,
- Connect the HDMI cable from the classroom system to your laptop’s HDMI Portport.
- Power on the classroom system and select .
- Select Laptop HDMI.
- Click the Apple Icon icon in the top left corner, then select .
- Select System Preferences.
- Select Displays from the second row.
- Under the Displays window, select the middle tab for ArrangementIn the Arrangement tab.
- The Mirror Display check box is located in the bottom left corner there is a check box that says "Mirror Display"This . This option will show the same image on the laptop screen and the projectorTo . To show different images on the laptop screen and projector, do not check the this box.
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Mirrored Desktop
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If the desktop is mirrored, a secondary window will appear with options to adjust the resolution.
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To proceed,
- Click on the Display tab in the Display window.
- From the Optimize drop-down menu that is labeled Optimize for , select Extron D.
- Select the Scaled option from just below the drop-down menu.
- You will be provided two options for resolutions. Select the the 720p option.
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Extended Desktop
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When in "the desktop is extended desktop", you will need to use both your MacBook screen and the classroom preview screen to adjust resolution rates.
- Deselect the Mirror Display option under the Display Menu.
On the classroom preview monitor you will see a Display window
labeled "Display".
Select the Display tab on this window.
Note title Note- Scroll your mouse to the right to access the second screen.
- Select the Scaled option.
- You will be provided two options for resolutions, select . Select the the 720p option.
After these Once your settings have been madeselected, they should will become the default settings when you connect your laptop the the classroom system again. At this point you may close Close all windows related to the settings for Display and System Preferences.
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