Summary
Instructions for connecting a second display to a Mac and setting it to either extend the desktop for more workspace or mirror the main screen. Covers connecting the display, opening Displays settings, choosing the arrangement, and adjusting resolution. Applies to anyone using a Mac.
Body
Questions
- How do I extend or mirror my macOS desktop to another display?
- What are the steps to set up multiple displays on macOS?
- How do I connect a second monitor to my Mac?
- How do I make my external display show the same thing as my Mac screen?
- How do I use an external monitor as extra workspace on my Mac?
- How do I arrange the position of my displays in macOS?
Environment
This article applies to anyone using a Mac running macOS Sequoia (15.x) or Tahoe (26.x) who wants to either extend their desktop to another screen or mirror their screen to another display.
Resolution
- Connect the display: Connect your additional display to your Mac using an appropriate cable or wireless method. Ensure both devices are turned on.
- Open System Settings: Click the Apple menu in the top-left corner of your screen and select System Settings.
- Access Displays settings: In the System Settings window, choose Displays from the sidebar. This shows the settings for your connected displays.
- Select the arrangement: In the Displays settings, choose how the second display should behave:
- Extend display: Drag and drop the display icon to position it relative to your main screen. This creates an additional workspace.
- Mirror display: To have both displays show the same content, select the Mirror Displays option. This duplicates your main screen onto the connected display.
- Adjust settings: Fine-tune each display's resolution and other settings by selecting the specific display and adjusting the options provided.
- Close settings: Once your displays are configured, close the System Settings window. Your changes are saved automatically.
Additional Help
If you need further assistance, you have several options:
- Bowdoin Bot: Chat with Bowdoin Bot directly from any KB page for instant answers.
- Phone: Call the Bowdoin College Service Desk at (207) 725-3030.
- In person: Visit the Tech Hub in Smith Union during business hours.
- Submit a ticket: Request assistance through the Service Catalog.