Hi Mark,
Welcome to Microsoft Community and thank you for your interest in Windows 10.
I will definitely assist you.
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Let's try simple steps and check if it helps in resolving the issue. I would suggest you try updating Display driver from Device Manager manually and check if it helps. Try the below steps:
- Press (Windows key + X) and click on “Device Manager”.
- Click and expand “Display Adaptor”.
- Right click on the device driver and select update.
- Once update is done, restart the computer.
![Viewsonic Viewsonic](/uploads/1/2/4/7/124727000/991097465.jpg)
If the issue still persist, I would recommend you to contact Viewsonic VA2231WM-LED manufacturer and check if they have the latest driver which is compatible with Windows 10. If the latest driver is not available for Windows 10 you can buy a new monitor which is compatible with Windows 10.
Visit the below link for Connect a second monitor or projector
Hope it helps. If you need further assistance with Windows, let us know and will be glad to help.