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.

How do I get a screen ruler? To get a screen ruler, you need to decide where to get it. For example, if you want to show a screen ruler on your computer screen, you can simply use PowerToys.

Starting with iOS 14, users will see a green or orange dot appear near the signal bar on the iPhone screen when opening ...

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.

You might have noticed a tiny green light next to your MacBook's webcam. What does this light mean, and is it possible to ...

If it's an image or video, tap it to open the detail view. If you want to select multiple files on your iPhone, tap the ...

Why pay all that money for a nice screen only to have the visual fidelity brought down by smudges and dust. Let's face it, your monitor is filthy—it's time to clean it.

In yet another diktat, the Donald Trump administration has asked the immigration officers to screen visa and green card applicants for "anti-Americanism," including having their social media checked.

Laptops, external drives, and USB sticks are especially vulnerable to data theft, but with Windows and a few tools, you can ...

If you see a White Screen of Death on Windows laptop or computer monitor, then the fault could be with the hardware or the driver. Here are the working fixes.

Las Vegas venue puts a high-tech spin on Dorothy’s tale. “If you do it right, it feels like reality,” a visual effects ...

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.