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Matrox Setup Instructions for Mac
Posted by Renewed Vision Support on January 08, 2014 at 09:57 AM
Updated by Renewed Vision Support on Aug 13, 2015

Macs with Mini DisplayPort or Thunderbolt connections only support Matrox Digitial SE or DP Edition hardware. Matrox Analog or Digital Edition devices will not work with DisplayPort or Thunderbolt equippred Macs. Refer to the Matrox compatibility guide for more information.

Download the Matrox software

To download the Matrox software, go to the Matrox Driver and Software Download page. You will be guided through a few screens to select the Matrox device and your operating system.

Matrox Software Download

The Download List may show two items, which you can see in the fourth image above. The first item is the PowerDesk software, this is the software the controls the Matrox hardware; this is a required installation. The second option is a firmware update for the hardware, which can add new functionality; this is not required, but is recommended.

Click on the blue link to begin the download. You will need to agree to the Matrox Specific Notice first before completing the download.

Once you click on the Download Now button, your download will begin.


Install Matrox PowerDesk

After you download the Matrox PowerDesk installer, you need to open the file. Some browsers will automatically open the file in Finder for you, taking you to the disk image. Double-click on the Matrox_PowerDesk.pkg file to run the installer.

If you running OS X 10.7.5 or higher, you may see the following message. This is caused by OS X's Gatekeeper feature. To read more about Gatekeeper, you can read "OS X: About Gatekeeper".

To bypass this restriction, you can rightclick on the Matrox_PowerDesk.pkg file and select Open. You will see a message similar to the one above, but this time it will allow you to continue opening the file.

Continue through the installer at this point until the Matrox PowerDesk is installed.

Setup Matrox PowerDesk with Quick Setup

Now that you have the Matrox PowerDesk software installed, it's time to setup the software. Connect the USB and display cable to your Mac and Maxtrox unit before moving on.

If the software installed successfully, you should now see a new icon at the top of your screen in the menu bar. It's a computer monitor with the Matrox 'M' logo. Click on this icon and select Quick Setup.

Clicking on Power Desk will bring up a screen similar to the one shown below. You will need to connect your displays to the Matrox unit in order for this to work.

The following instructions assume you have three displays that are all using VGA or DVI, and are the same resolution. Configuring two displays instead of three is easy to do. If you have a mix of VGA and DVI, or HDMI displays, these steps may not work and you may need to skip down to the EDID Management instructions.

As you can see in the image above, PowerDesk only detected two displays initially. This is due to the third display not being connected yet. After you have connected all of your displays, click the Detect button again. If you are only using two displays with a TripleHead2Go, then connect to outputs 1 and 3 on the Matrox device, and check the option for only using two displays. If you are using a DualHead2Go, then there is no difference for you.

After you click on Detect, your screens may blink off and on a few times before confirming the display change. The Quick Setup will attempt to find the highest supported resolution for all three displays. This is meant to reduce the amount of configuration you need to do. However, if you need to change to a different resolution for some reason, you can do that by selecting the "Use a selected display setting" and picking a new resolution. If you make a change, click the Apply button when you're done.

You can leave the bottom two options as their defaults. However, if you plan on moving your mouse off your computer screen to the external screens, make note of which side (left or right) it assigns the out to so that you know which direction to move your mouse. This setting can also be changed at any time in System Preferences.

After you have applied your screen settings, the Quick Setup will close. Using Quick Setup will also update your system display settings, so you can move on to setting up ProPresenter or ProVideoPlayer.

Setup Matrox Power Desk with EDID Managment

The EDID Managment option can be used by anyone, whereas the Quick Setup may not work for everyone. To access EDID Management, click on the Matrox menu and select EDID Management.

After you open EDID Mangement, you will see a screen like the one shown below. The left side of this screen allows you to select supported resolutions for your device. The list on the right shows you the resolutions that have been made available for your system.

Before you manually configure the resolutions, you may want ot try the Configure Based on Attached Displays option to see if this can detect the resolutions needed for your displays or projectors. If this doesn't work, you will need to know the specific resolution that you need. Remember, each display has to use the same resolution, so if your devices have different resolutions, then you have to find a common size.

Supported Resolutions and Refresh Rates tells you which options are available for your hardware. Depending on your configuration, some resolutions may not be available. Even if you have three displays or projectors that can show 1920x1080 60Hz, this resolution and refresh rate is not supported in most cases. The image above shows how this section loads by default. If you are using three screens, or a wide aspect ratio, select the proper options to update the dropdown list. Once you find the resolution you want to use, click on the (->) button to add it to the Active Resolutions and Refresh Rates.

Active Resolutions and Refresh Rates are the settings that your system will be able to use. There may be options shown here that you don't need. If so, select those and click the (<-) button to remove those options from the list. Active Resolutions and Refresh Rates use the format of Number of Screens * Width x Height Refresh. Click Apply Changes when you're done.

Unlike the Quick Setup method, you have to manually adjust the resolution used by your Mac for the output screen at this point. To do this, click on the Apple in the top left corner of your screen and open System Preferences. You will then need to click on Displays.

After you click on Displays, you should see a window on each display (the Matrox output is a single display). Click on the Gather Windows button in the lower-right corner of the window on your computer screen. This will collect all of the settings windows on your main screen. Click on the window for the Matrox output, which is likely directly behind the primary settings.

After you click on the second display window, you will need to change from "Best for display" to "Scaled" in order to make sure the correct resolution is set.

Remember, you need to select the properly double-wide or triple-wide resolution for the output screen. As shown in the screenshot of EDID Management, the resolution for the three displays is 1360x768. That means the output resolution needs to be set to 4080x768. Once you have this set, your screens may flicker briefly while they adjust. Once the resolution is set, you should see the desktop background stretched across all three displays. If your desktop image is not stretched, then double-check the resolution was set correctly.

At this point, the Matrox is setup and ready to use with either ProPresenter or ProVideoPlayer.