How to rotate the screen on a Windows 10 computer to flip your PC monitor display

If you changed your screen orientation by accident or simply prefer it a different way, you can rotate or flip it in Windows ...

How to flip the screen on your Mac computer in 3 ways through its 'Displays' settings

To flip the screen on your Mac, you'll need to go into the "Displays" section of your System Preferences. Not all Macs ...
Techlicious

How to Rotate Your Screen in Windows 10

It can be really annoying to watch a video on the web where someone uploaded it with the wrong orientation and the entire video is rotated by 90 degrees. Or worse, they kept rotating the camera while ...
Ars Technica

screen won't stay rotated (displayport issue?)

Got two screens connected to a mac octo core running 10.6.2. One 30" in landscape, and a 24" in portrait mode.<BR><BR>Under leopard, I could rotate the 24" through 90 degs via Display Preferences. I ...
Tidbits

macOS Photo Screen Savers Still Don’t Properly Display Rotated or Edited Images

But therein lies the longstanding rub: an unresolved bug that spans many years. The big win of Apple’s photo screen savers is that they let you select photos from your Photos library or a folder.