Why are both of my monitors identified as 1?

one has to connect both monitors directly into two different ports - otherwise if you try to split one of the ports then the computer will only recognise both monitors as one....as both are essentially connected to the one port!
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How do I change my monitors from 1 to 2?

Set the Primary and Secondary Monitor
  1. Right-click on your desktop and select "Display". ...
  2. From the display, select the monitor you wish to be your main display.
  3. Check the box that says "Make this my main display." The other monitor will automatically become the secondary display.
  4. When finished, click [Apply].
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Why do my dual monitors show the same thing?

When connected to an external display, Mac and Windows computers have two different display modes: Mirror and Extend. In Mirror Mode the computer monitor duplicates the monitor on the external display so that you see the same picture on both the desktop and projector.
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How do I get my computer to recognize a second monitor?

To detect a second monitor manually on Windows 10, use these steps:
  1. Open Settings.
  2. Click on System.
  3. Click on Display.
  4. Under the "Multiple displays" section, click the Detect button to connect to the external monitor.
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How do you change which display is 1 and 2 Windows 10?

Windows 10 Display Settings
  1. Access the display settings window by right-clicking an empty space on the desktop background. ...
  2. Click on the drop down window under Multiple displays and choose between Duplicate these displays, Extend these displays, Show only on 1, and Show only on 2. (
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FIX Windows 10 Not Detecting Second Monitor



How do I change my monitor identity number?

Settings ->System, select Display in the left pane. Click Advanced display settings link. Then click and drag one of the monitors to its correct location. The Identity numbers don't matter.
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How do you change which monitor is 1/2 and 3?

Replies (3) 
  1. Right click on start button and select control panel.
  2. Click on Display.
  3. Now select Change display settings in the left pane.
  4. Under Change the appearance of your display section, you will find the three monitors. Drag and drop the.
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Why won't my dual monitors work?

Restart everything: Shut down Windows and all your monitors. Then, turn everything on and boot up again. This can often fix your issue. If necessary, roll back driver updates: If your display driver recently updated, it could be causing the issue.
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Why won't my dual monitors extend?

Press Windows key + P keyboard hotkey simultaneously in order to bring up the Project menu. Up next, look for Extend. If it's not selected, correct that by clicking it, going up or down with the arrow keys, and pressing Enter on the right one.
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Why will my second monitor not work?

Secondary-display problems usually come down to a few basic causes: The computer can't support the display in color depth, pixel count, or interface options. The monitor's cable is damaged or malfunctioning. The computer's display drivers aren't handling the secondary display properly.
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How do you Unmirror a window screen?

Click the Start button and select Control Panel. Double-click Display. Click the Settings tab. Un-check the box beside Extend my Windows desktop onto this monitor.
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How do I fix multiple monitors?

  1. Right-click on the Desktop and select Screen Resolution.
  2. Change the Multiple Displays drop-down as per your preference.
  3. Select the desired monitor and adjust the resolution using the slider.
  4. Click Apply.
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How do I setup dual monitors with HDMI?

Dual Monitor Cables

Plug the power cords into your power strip. Connect the first monitor to your computer through the HDMI port or through a VGA port, if desired. Do the same for the second monitor. If your computer only has one HDMI port and one VGA port, which is common, find an adapter to complete the connection.
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How do I get Windows 10 to recognize my second monitor?

Click on the Start button to open the Settings window. Under the System menu and in the Display tab, find and press the Detect button under the heading Multiple Displays. Windows 10 should automatically detect and other monitor or display on your device.
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How do I make my second monitor my primary Windows 10?

To change the primary and secondary monitors on Windows 10, do follow these steps.
  1. Open Windows Settings.
  2. Select Syatem> Display tab.
  3. Navigate to Multiple display.
  4. From the drop-down, select the desired monitor you want to be primary.
  5. Check the Make this my main display setting.
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How do I change monitor 1 to monitor 2 in Windows 7?

Right-click in any blank place on the Windows 7 desktop and choose Screen Resolution. You see the Display Settings dialog box, where you can set up multiple monitors. Click the 1 box to set up your first monitor and 2 to set up the second. You can set up as many as four monitors.
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How do I put my monitor in extend mode?

  1. Navigate Windows Display Settings selecting Start > Settings > System > Display.
  2. Underneath Multiple displays, select Extend desktop to this display.
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Why does my 2nd monitor say no signal?

Historically, when the second monitor says no signal with DP cable type, it points to a faulty connection. The first remedy should always be to unplug the cable and plug it back in after several minutes. If that doesn't work, try expanding this process to the entire device.
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Why is my monitor not displaying?

If the light on the monitor remains off, the monitor is not receiving power from either the wall outlet or the power adapter. If you have a flat panel LCD monitor, unplug the monitor power cable, wait about 30 seconds, reconnect the cable and then turn on the monitor. This resets the electronics on the monitor.
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How do I renumber screens in Windows 10?

Windows 8.1/10 + 2 extra monitors
  1. Right-click on any one of the desktops.
  2. Click “Display Settings”
  3. Click on the screen number you want to set as the main display.
  4. Scroll down.
  5. Click on the check box “Make this my main display”.
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What determines monitor number?

The numbering for monitors identity depends on which port of your computer's graphics card the monitor is plugged into. For example, the port that monitor #1 is connected-to will always be #1. The only solution for changing identities is to swap the monitors, meaning connect them to different ports.
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Can you run 2 monitors off 1 HDMI port?

The easiest way to run two monitors with one HDMI port is by using an HDMI splitter. However, this only works if you want to see the display showing similar content on all screens connected (duplicate content). An HDMI splitter is a sort of mediator device that has two or more HDMI ports in it.
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Can HDMI be split for two monitors?

An HDMI splitter takes an HDMI video output from a device, like a Roku, and splits it into two separate audio and video streams. Once split, you can then send video to two separate monitors from a single source.
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