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.

If you have an older laptop or monitor, it will likely have a VGA port or a DVI port for connecting to a second screen. VGA supports standard definition video (640 x 480), while DVI can send a ...

The most usual connections for an external monitor are HDMI, DisplayPort, Thunderbolt and USB-C. Less common ports are VGA or DVI, but you may find these if you have an older device.

The most common monitor connections are HDMI, VGA, and USB, depicted here respectively. Insider You'll also need to make sure that whatever cable you have can support the resolution and refresh ...

If you are using a laptop, you might have only one HDMI port or rarely, a VGA port along with it. If you are on a computer and one monitor is already connected, look for another similar port.

While your graphics card or laptop may only have one HDMI port, that's not necessarily its only video output. Many computers will also have ports like DisplayPort, DVI, or VGA.