Windows 10 second monitor; Windows 10 say it cannot detect a second monitor.

Just finished installing W10 and everything appears fine, except my second monitor no longer works.  Windows 10 say it cannot detect a second monitor.  Worked fine in W8.1

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Answer
Answer

I had to download the (seemingly) beta Nvidia driver for Windows 10.  In troubleshooting, I noticed that the Nvidia control panel was no longer in my little lower-right tray - whatever that's called.  So the driver wasn't running.

Downloading and installing that driver solved the problem.

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Last updated October 20, 2020 Views 212,380 Applies to: