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.

To turn off the screen while keeping the PC running, use keyboard shortcut, adjust the power settings, change closing the lid settings or use free tools.

If you own a Samsung Galaxy Tab tablet, you already have a terrific second display for both work or business travel. Here's how to use it.

Can you use a TV as a monitor? You’ve probably already got a big screen in your house, though—a TV. At the end of the day, isn’t an HDTV just a giant, living-room-oriented computer monitor?

Screen burn in has been a long running topic of discussion when debating smartphone OLED displays. Here's how to avoid any problems.

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.

The TCL 60 XE Nxtpaper 5G delivers an eye-catching display at a wallet-friendly price - but not without a few compromises.

OLED technology wasn't meant to come to larger panels. LG Display made it happen, and it was a total revolution in display tech.

Technicians had to power through the Android setup assistant, enable developer options, turn on USB debugging, and then connect to diagnostic tools.

Whether you're a traveling exec, a gamer, or a graphic designer, a portable second monitor can add an extra dimension to your work or play. We've tested most of the major models. Check out our top ...