For better user experience and ameliorate productivity, users are using two or more monitors. This does non hateful that y'all need to buy another computer or notebook and use 2 monitors. If your graphic card supports more output ports, you tin can connect more monitors. Based on that, a number of monitors you lot can connect to your computer or notebook depend on the number of output ports on your graphic card. What are output ports? Output ports provide a connection between computer or notebook and monitors. Y'all tin find different ports on your graphic menu including VGA, DVI, HDMI and Brandish port. These days HDMI and Brandish ports are much more than popular than VGA and DVI because VGA and DVI are one-time standards. HDMI is preferred because supports the bigger resolutions and provide transfer of audio indicate. There are 2 unlike graphic cards, IGP (Integrated Graphic Processor) and PCIe graphic carte. So, what is the difference betwixt them? IGP is integrated into the motherboard, and PCIe is an external graphic card which can be installed in PCIe slot on your motherboard. If you are playing games, doing graphic design or video editing, we are recommending you lot to purchase an external graphic carte with retentiveness which is required by your applications.

Sometimes you volition demand to connect the second monitor to your auto. The process is really uncomplicated, you need to plug your cables to graphic card and monitor and enjoy working on your motorcar. Sometimes, it is not working well, considering the second monitor is non detected by your machine. And then what is the reason? In that location are different reasons including faulty cables, non-compatible drivers, and configuration issues.

This issue occurs on unlike operating systems, unlike computers and notebooks and different monitors. We will show y'all how to fix the issue on operating systems from Windows 7 to Windows x.

If you want to utilize the second monitor, only yous do not know where to outset, please check instructions -> How to Setup Dual Monitors.

Nosotros created 13 methods which volition help you to solve the event with your monitors.

Method one: Change projection style

If you properly continued your monitors to your graphic carte, and yous do not run across annihilation on your 2nd monitor, you will need to change projection mode, considering your graphic carte du jour does not know what to practise with the second monitor. Nosotros volition testify yous how to change projection mode on Windows 10. This procedure is compatible with Windows 8 and Windows 8.1, too.

  1. Hold Windows logo and printing P to open Projection mode
  2. Choose proper projection mode betwixt four options

For Windows Vista and Windows vii, read instructions on this dual monitor setup.

Method 2: Restart your computer

If the offset method did not solve your problem, we are recommending you to restart your machine. Afterward that. After that concord Windows logo and printing P to choose proper projection mode (Windows 8, Windows viii.1 and Windows 10).

Method three: Plough off figurer, monitors, and cables

Permit'due south try the third footstep which helped users to solve their issue with the second monitor. In this method, y'all will need to turn off all devices and expect few minutes, and afterward that, y'all will need to plough on your devices again. Please check procedure beneath.

  1. Shutdown your computer or laptop
  2. Shutdown your monitors
  3. Unplug all power cables from computers, notebooks, and monitors
  4. Unplug all cables between computers, notebook or monitors
  5. Wait few minutes
  6. Plug all cables back in
  7. Turn on your calculator or notebook and monitors

Method 4: Re-enable display adapters

Permit'due south try to do some software configuration. In this method, we will prove you how to re-enable display adapter. Few users solved their problem by using this method. At first, you will need to disable your display adapter, and afterwards that enable brandish adapter.

  1. Concord Windows logo and press R
  2. Blazon devmgmt.msc and printing Enter
  3. Navigate to Display adapter and choose your graphic card
  4. Right click on graphic card and select Disable
  5. Right click on graphic card and select Enable
  6. Test your monitors
  7. Restart your machine
  8. Projection your screen on second monitor (please check method 1)

Method v: Reinstall monitors

In this method, you will reinstall your monitors. We volition show you how to do information technology using Windows ten and monitor Samsung S24D59L.

  1. Concord Windows logo and press R
  2. Type devmgmt.msc and press Enter
  3. Navigate to Monitors and cull your monitor
  4. Right click on your monitor and choose Uninstall
  5. Click Uninstall to confirm uninstalling monitor
  6. Restart your reckoner
  7. Project your screen on second monitor (delight check method 1)

Method 6: Rollback your drivers to the previous version

Did yous update the commuter for your graphic card and after that your machine is not detecting the 2nd monitor? If yep, you volition need to rollback driver of your graphic card. How will y'all do that? Please check instructions at this rollback drivers.

Method 7: Update graphic card commuter

If y'all did non update your graphic commuter, we are recommending you to update your driver with the latest driver version. You can do it using ii ways. One is to update graphic card commuter from Microsoft Update or you tin download the official commuter from vendor's site. How will yous do that? I wrote manufactures where I described the procedure of updating graphic carte commuter, which you can read on this video_tdr_failure nvlddmkm.sys, method 2. Based on that method, you will be able to observe the proper driver for your graphic card.

Method 8: Change refresh charge per unit

In this method, we will modify monitor refresh rate. We will show yous how to change frequency on Windows ten using monitor Samsung S24D590L.

  1. Concord Windows logo and printing I to open Settings
  2. Cull Arrangement
  3. Click Display adapter properties at the bottom of the window
  4. Choose Monitor tab
  5. Nether Screen refresh rate choose 60 Hertz. If information technology was already 60 Hertz, select something else and then select "60 Hertz".
  6. Click Apply and and so OK
  7. Project your screen on second monitor (delight bank check method i)

Method 9: Try some tricks

If you lot are using a notebook, we are recommending you to attempt some tricks.

  1. Endeavor to close the notebook lid while continued to your monitor (this means the laptop display will be temporarily disabled). The monitor will exist at present seen as the main display and one time you open the lid you'll take both displays working, a fox unproblematic every bit that.
  2. Try putting the computer to sleep while continued to monitor via HDMI and wake it up. That also worked for few users.

Method ten: Turn on Multiple Brandish

If y'all installed the full driver for your NVIDIA and AMD graphic cards, you will need to run NVIDIA or AMD software to enable Multiple Display. We will prove y'all how to plough on multiple displays using NVIDIA Control Panel.

  1. Click Start card and blazon NVIDIA Command Panel
  2. Open NVIDIA Control Panel
  3. Choose Display
  4. Click Set up upwardly multiple displays
  5. Select displays you want to use
  6. Click Salve
  7. Restart your Windows

Method 11: Update your BIOS

If y'all are using motherboard which supports integrated graphic cards with two ports, we are recommending you to update your BIOS of UEFI. We talk about updating BIOS or UEFI many times. To practice an update of your BIOS or UEFI we are recommending you to check this https://appuals.com/fix-video_tdr_failure-nvlddmkm-sys/, method fifteen, where I described the procedure of updating BIOS on Asus motherboard.

Method 12: Revert your operating system to the previous version

If yous are one of the users who updated automobile from Windows 7, Windows 8 or Windows 8.1 to Windows ten, and after that, you tin can not utilize the 2d monitor, we are recommending yous to revert your Windows to the previous version where everything worked properly. Why? Because your graphic card or graphic card commuter is not properly compatible with Windows x. You volition need to expect for a proper update for your graphic card. Delight do non use gear up from third party websites.

Method thirteen: Check monitor, splitters, and cables

Kickoff, 3 methods did not solve your trouble and you are waiting for best solutions. We are doing this footstep by stride, so please exist patient. In this method, you will test your monitor and cables which provide a connexion between your figurer or notebook and monitors. Equally nosotros said at the beginning of this article, y'all can apply VGA, DVI, HDMI and Brandish port. Let's start with the testing monitor. If the first monitor is working without any problems, unplug the first monitor from computer or notebook and connect the second monitor to the same cable. But, if the second monitor does not support the aforementioned cable? In that example, use some other cable and cheque the 2d monitor. If your monitor is not working on two different ports and two different ports, y'all will need to buy another ane monitor.

If the second monitor is working on the first cablevision and non on the second cable, delight alter the cable. Also, if you are using VGA, DVI or HDMI splitter and there is an issue with splitter, yous will need to alter it by a new one.