How to Set Up & Control Multiple Monitors on an ATI Card

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How to Set Up & Control Multiple Monitors on an ATI Card
Many video cards include one VGA output (right) and one DVI output (left). (video card image by TEA from Fotolia.com)

The ATI Catalyst Control Center is designed to be used with ATI video cards. Some models of ATI video cards include outputs allowing you to connect two monitors to the computer. The ATI Catalyst Control Center can also be used with a laptop computer that has both an ATI video card and a video output, such as a VGA, HDMI, or DVI connection. From within the ATI Catalyst Control Center, you can choose what is displayed on each monitor, as well as set its resolution.

Skill level:
Moderately Easy

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Things you need

  • 2 computer monitors
  • VGA, DVI or HDMI cables

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Instructions

    Adjusting Individual Monitors

  1. 1

    Turn off your computer, then connect both monitors to the monitor outputs on the rear of the computer using the VGA or DVI cables. Often, the video card will include adaptors that allow you to connect a VGA cable to the DVI port, or a DVI cable to the VGA port. Turn on the computer and the monitors once the connections have been secured using the screws attached to the ends of the cables.

  2. 2

    Right-click on the Desktop and click "ATI Catalyst Control Center" from the context menu to open the software.

  3. 3

    Click "Displays Manager" on the left side bar of the ATI Catalyst Control Center.

  4. 4

    Locate the box labelled "Desktop and Display Setup." Click "Detect Displays" to display a large "1" or "2" on each display. The display on which the "1" appears is your main display. If you would like to change this, drag the icon of the display that you would set as your main display into the box labelled "Main."

  5. 5

    Click on a display to select its preferences. Once clicked, use the drop-down boxes at the bottom of the window to select the resolution, colour quality, refresh rate and rotation. Click "OK" to save your changes.

    Choosing Display Configuration

  1. 1

    Hold the "Windows" key and press "P" to open the dual-monitor quick selector.

  2. 2

    Determine which type of configuration you would like to use from the four possible options. Select "Computer Only" if you would like to disable the second display, and only use the first display. "Duplicate" allows you to mirror the first display on the second display. This is useful if you are giving a presentation or your computer is connected to an HDTV for video playback. If "Extend" is selected, both monitors will be independent of one another, and items can be dragged back and forth between windows. This is very useful when multitasking, or if you are using multiple applications at once. Finally, "Projector Only" will disable the main monitor, and only show a picture on the second monitor, which by default becomes the main monitor. When "Projector Only" is disabled, the main monitor will return to the main monitor status.

  3. 3

    Click on the setting that you would like to use to enable the monitor configuration.

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