But if you only see a blank area of your desktop, without any open windows or a menu bar, try hitting the Command and F1 keys to switch OS X back to mirroring the built-in screen. You could also use a ...

The most basic PC-to-TV connection consists of running a wire from your computer to the HDMI input on your TV. If you have an ...

Open the PowerToys app on your computer. Find the Screen Ruler option. Toggle the Enable Screen Ruler button to turn it ON. Press Win+Shift+M to show the ruler. If you want to change the default ...