If your computer screen or external display goes black when HDMI is plugged in, check your HDMI setup. Use these fixes to resolve the issue.

A trio of computer security researchers at Universidad de la República Montevideo, in Uruguay, reports that it is possible to reproduce text on a computer screen by eavesdropping on its HDMI cable.

If your gaming laptop screen feels too cramped, hook up an external monitor! Here's how to do it and what you need to know.

Retro Remake showed off a video of its mod that adds an OLED display, a glass touchscreen and HDMI output of 1080p video.

Once you have the proper cable, connect the compatible side to your laptop, whether that's an HDMI or another format, simply connect it to your laptop and turn on your device.

Then you have to connect the HDMI cable to the laptop's HDMI port and connect the other end to the projector. The laptop screen should then display on the projector, and you'll be ready to go!

You can connect a laptop to your TV using a wired HDMI connection. Some TVs also support wireless pairing via screen mirroring and Apple AirPlay.

Any modern laptop should be able to connect to an external monitor. The first step is to figure out whether it supports DisplayPort, Thunderbolt, HDMI, or VGA.

Using a monitor to extend your laptop's display, or to give you a bigger screen for work or play can be super useful. Here's how to do it.

For most people, the best options are HDMI and DisplayPort. Both send audio and video signals over one cable, which makes them an easy way to connect a laptop to a monitor. DisplayPort has the ...

If your Windows computer screen goes black & white when HDMI is plugged in, reinstall the display driver, perform calibration, reset control panel settings, etc.

From HDMI to wireless casting, here’s how to get your computer screen onto your TV.