Windows 11 RTX 4090 Not Working with Four Monitors: 2x4K and 2x1080p

Windows 11 and NVIDIA RTX 4090: Issues with Four Monitors

Setting up a multi-monitor system can be a challenging task, especially when dealing with high-resolution and high refresh rate displays. This article focuses on the specific issue of getting Windows 11 to work with four monitors, two of which are 4K at 60Hz and the other two are 1080p at 144Hz, using an NVIDIA RTX 4090 graphics card.

Understanding the Hardware

The NVIDIA RTX 4090 is a high-end graphics card that supports multiple displays. It has multiple DisplayPort and HDMI ports that can be used to connect monitors. Each of these ports can support high resolutions and refresh rates, making it an ideal choice for a multi-monitor setup.

Windows 11, on the other hand, is the latest operating system released by Microsoft. It supports multiple monitors and allows users to extend their desktop across all connected displays.

Setting Up Four Monitors

Setting up four monitors on a Windows 11 system with an NVIDIA RTX 4090 graphics card involves the following steps:

1. Connect the monitors to the graphics card using the available DisplayPort and HDMI ports.
2. Go to the Windows 11 Display Settings by right-clicking on the desktop and selecting "Display settings" from the context menu.
3. In the Display Settings window, you should see all connected monitors. If not, click on "Detect" to let Windows detect the monitors.
4. Once all monitors are detected, you can arrange them as per your preference by dragging and dropping them in the desired order.
5. Next, you can set the resolution and refresh rate for each monitor. To do this, click on the monitor that you want to configure, and then select the desired resolution and refresh rate from the drop-down menus.
6. Click on "Apply" to save the changes, and then click on "Keep changes" when prompted.

Troubleshooting Common Issues

Even after following the above steps, you may encounter issues with getting Windows 11 to work with four monitors. Here are some common issues and their solutions:

Windows 11 Does Not Detect All Monitors

If Windows 11 does not detect all connected monitors, try the following steps:

1. Make sure that all monitors are turned on and connected properly to the graphics card.
2. Try using a different port on the graphics card to connect the monitor.
3. Update the graphics card drivers to the latest version.
4. Try restarting the computer and check if all monitors are detected after the restart.

Monitors Have Different Resolutions and Refresh Rates

If the monitors have different resolutions and refresh rates, you may encounter issues with display quality and performance. To fix this, make sure that all monitors have the same resolution and refresh rate. If this is not possible, try to match the refresh rate as closely as possible across all monitors.

Performance Issues with Four Monitors

Running four monitors can be resource-intensive, and you may encounter performance issues, such as lag and stuttering. To fix this, try the following steps:

1. Close any unnecessary applications and processes running in the background.
2. Lower the resolution and refresh rate on some of the monitors.
3. Upgrade the graphics card to a more powerful model.
4. Add more RAM to the system.

Setting up four monitors on a Windows 11 system with an NVIDIA RTX 4090 graphics card can be a challenging task, but it is possible with the right steps and troubleshooting techniques. By following the steps outlined in this article, you can set up and configure your multi-monitor system with ease. If you encounter any issues, refer to the troubleshooting section for solutions.

References

• Microsoft. (2021). Display settings in Windows 11. https://support.microsoft.com/en-us/windows/display-settings-in-windows-11-3ad18383-8589-4dd5-8c7f-87e121dc928a
• NVIDIA. (2021). NVIDIA GeForce RTX 4090. https://www.nvidia.com/en-us/geforce/graphics-cards/rtx-4090/