A green dot on your Android screen signals that the camera or microphone is active. Learn why it appears and how to stop it from appearing.

Learn how to turn off laptop screen when using external monitor in Windows 11/10. You can switch off laptop screen with external monitor without sleep.

The Elgato 4K S is a powerful external peripheral that provides an easy way for Mac users to not just capture video, but also ...

Noticed a tiny green dot on your Android? It's not a glitch; it's telling you something important. Here's what it means and how to stop it from appearing.

On Windows 10, you can use these tips to configure a multi-monitor setup, whether you're using a laptop, desktop, or a powerful workstation.

If you want to use your HDTV as a second or third monitor, you may need to use a different port, such as your graphics card’s DisplayPort output.

Light emitted by your phone, tablet, or laptop can disturb your sleep. Here's how to filter out the blue light for a more restful night.

Irene Gilbert is a 76-year-old retired state employee on a mission, fighting energy projects like large wind farms in Oregon’s rural communities. Renewable energy advocates and lawmakers treat ...

Avengers: Doomsday Actor Alan Cumming Says He Filmed His Scenes 'In Isolation' Using Green Screen and Often Didn't Know Who He Was Supposed to Be Acting With Feeling blue.

X-Men and The Traitors star Alan Cumming has revealed more about his time recently filming Avengers: Doomsday, and said he spent the shoot alone.

Sidecar in macOS turns your iPad into a second display, but it's limited to certain Macs and iPads. Thankfully, a few third-party apps can help if you have an older Apple device or Windows PC.

Eyestrain is common, but it can generally be treated with simple, noninvasive methods, like adjusting your screen, using eye drops, or taking visual breaks.