Trying to run dual monitor setup from Lenovo idea pad but it won’t work.

Dear Dillon Maschino!

Thank you for the information and your patience.

I checked the IdeaPad 1 15IAU7 corresponding series of products on Lenovo's official website based on the laptop model you provided. It seems that they only support up to two monitors including the built-in monitor. The following is the official website link of Lenovo for the corresponding product:

IdeaPad 1 15IAU7 (lenovo.com)

Disclaimer: Microsoft provides no assurances and/or warranties, implied or otherwise, and is not responsible for the information you receive from the third-party linked sites or any support related to technology. 

And this USB-C only supports data transmission and does not support video signal transmission. It is hard to imagine that this product was produced in 2022, which should not be the case. However, even my 2019 TUF-Gaming FA506IU laptop supports USB-C to HDMI/DP output video signals. . .

Unfortunately, the device may only support one external monitor via HDMI.

Best regards,

Yang.Z

Dear Dillon Maschino!

Welcome to the Microsoft Community!

I understand your frustration, and it can be frustrating to try to set up dual monitors and run into issues. The situation you're describing may be because some USB 3.0 ports, while supporting high bandwidth output, do not necessarily support video output. This could be the reason your second monitor isn't working properly.

The following may be the reasons why your second monitor cannot output video signals properly.

1. USB 3.0 to Dual HDMI Adapter Compatibility: Although USB 3.0 ports offer higher bandwidth, not all USB 3.0 ports support video signal output. Some USB 3.0 to video adapters may require specific hardware support, such as Intel's Thunderbolt technology or a USB 3.0 port with video output capabilities.
2. Confirm laptop model: Different Lenovo IdeaPad models may have different hardware support and limitations. To confirm whether your laptop supports external video output via the USB 3.0 port, please provide your specific model. This way we can check the technical specifications of the model to confirm whether external dual monitors are supported. You can also contact Lenovo's technical support directly to confirm this situation.
3. Driver issues: You mentioned that you encountered problems when updating the driver. Sometimes, even if the driver seems to be up to date, there may be compatibility issues. You can try the following steps:

• Confirm that your Windows 11 system is fully updated.
• Uninstall the existing USB adapter driver through Device Manager, then restart the computer and let Windows automatically install the driver.
• Visit Lenovo's official website or contact Lenovo customer service to ask if there is a specific USB adapter driver for your Ideapad model.

4. Hardware limitations: Not all laptops support two external monitors. In some cases, the laptop may only support one external monitor through its built-in video output interface (such as HDMI or ) or may require specific hardware configuration to support multiple monitor outputs.
5. Try other solutions: If the USB 3.0 to dual HDMI adapter does not work, you can consider the following alternatives:

• Connect the second monitor using the built-in video output interface (if available).
• Purchase a docking station with multiple video output ports, so that multiple monitors can be connected through the notebook's single interface (such as USB-C or Thunderbolt 3/4).

Please provide your Lenovo IdeaPad model so that we can provide more specific suggestions. At the same time, if possible, you can also contact Lenovo's technical support for more professional help.

If you have any other questions or need further assistance, please let me know!

Best regards,

Yang.Z - MSFT | Microsoft Community Support Specialist

The specific model of the Lenovo is - IdeaPad 1 15IAU7

I purchased a belkin connect usb-c 11-1 multiport dock everything connected, but the second LG monior still display.