How to Connect a Second Monitor

Why Use Two Monitors?

A second monitor lets you:

• View documents side by side
• Keep email open while working
• Reference materials without switching windows
• Increase productivity

Connecting Your Monitor

Step 1: Identify Your Cable

Look at the ports on your computer and monitor:

• HDMI - Common, looks like a trapezoid
• DisplayPort - Similar to HDMI with one angled corner
• USB-C - Small oval connector
• VGA - Older, has 15 pins

Step 2: Connect the Cable

• Plug one end into your computer
• Plug the other end into the monitor
• Turn on the monitor

Step 3: Windows Should Detect It

Windows usually detects the new monitor automatically. If not:

• Right-click on the desktop
• Click Display settings
• Click Detect

Configuring Display Settings

Windows

• Right-click on the desktop
• Click Display settings

Arrange Your Displays

The numbered boxes represent your screens:

• Drag them to match your physical setup
• Put the main screen in the middle or where it matches reality

Choose Display Mode

Click the Multiple displays dropdown:

• Extend - Spread your desktop across both screens (most common)
• Duplicate - Show the same thing on both
• Second screen only - Use only the external monitor

Set Primary Display

• Click on the monitor you want as primary
• Check Make this my main display
• Your taskbar and icons will be on this screen

Adjust Resolution

If things look blurry:

• Select the monitor
• Scroll to Display resolution
• Choose the recommended resolution

Mac Instructions

• Connect the monitor
• Go to System Preferences > Displays
• Click Arrangement tab
• Drag displays to match your setup
• Drag the white menu bar to your primary display

Troubleshooting

Monitor not detected?

• Check cables are firmly connected
• Try a different cable
• Try a different port
• Restart your computer

Wrong resolution?

• Go to Display settings
• Select the monitor
• Choose the recommended resolution

Things too small or large?

• Adjust the Scale setting (100%, 125%, 150%)
• This makes everything bigger or smaller

Laptop with External Monitor

You can:

• Use both screens with laptop open
• Close laptop lid and use only external monitor

- Adjust this in Power settings

Need Help?

For monitor setup help, contact helpdesk@netlumait.com.au or call 1300 521 162.