Cast Laptop To Monitor

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References

  • This article was co-authored by Luigi Oppido and by wikiHow staff writer, Travis Boylls.

  • Luigi Oppido is the Owner and Operator of Pleasure Point Computers in Santa Cruz, California.

  • Luigi has over 25 years of experience in general computer repair, data recovery, virus removal, and upgrades.

He is also the host of the Computer Man Show! broadcasted on KSQD covering central California for over two years. The wikiHow Tech Team also followed the article's instructions and verified that they work. This article has been viewed 987,643 times.

Connecting an external monitor to your PC or Mac laptop is pretty easy. You'll just need to find out what type of output your laptop has, such as HDMI, Thunderbolt, or USB-C. Once connected, you can use both screens at the same time or close your laptop to use the monitor like a desktop computer.

This wikiHow article will show you how to find out what cable you'll need to connect your laptop to a monitor, and how to set up your second monitor to mirror or extend your laptop's main screen.

Determine your laptop's video output options. Most PC laptops have at least one port that can be used for video output. The most common ports are HDMI, DisplayPort, and USB-C.[1]XResearch source There are a few main types of connections that your laptop may have:HDMI: This is a 6-sided trapezoid-shaped port that's about ¾ of an inch wide.DisplayPort: The size is similar to HDMI, but one of the corners is bent inward while the other forms a 90-degree angle.USB-C: This is an oval-shaped port on many modern PC laptops.

Not all USB-C ports support connecting to a monitor, though. You can connect to a monitor with your USB-C port if you see one of the following:If you see a lightning bolt with an arrow at the bottom next to the port, the port supports Thunderbolt 3, and you can use a USB-C or Thunderbolt 3-compatible monitor.If you see an icon of a black "D" with a white "P" inside, the port supports DisplayPort, which means you can use a USB-C or DisplayPort-compatible monitor.VGA or DVI: Less common nowadays are VGA ports, which are 15-holed ports with two pins on either side, and DVI ports, which have 24 holes and a gap on one side.

  • XResearch source. HDMI: This is a 6-sided trapezoid-shaped port that's about ¾ of an inch wide. DisplayPort: The size is similar to HDMI, but one of the corners is bent inward while the other forms a 90-degree angle. USB-C: This is an oval-shaped port on many modern PC laptops.
  • Not all USB-C ports support connecting to a monitor, though. You can connect to a monitor with your USB-C port if you see one of the following:If you see a lightning bolt with an arrow at the bottom next to the port, the port supports Thunderbolt 3, and you can use a USB-C or Thunderbolt 3-compatible monitor.If you see an icon of a black "D" with a white "P" inside, the port supports DisplayPort, which means you can use a USB-C or DisplayPort-compatible monitor.
  • If you see a lightning bolt with an arrow at the bottom next to the port, the port supports Thunderbolt 3, and you can use a USB-C or Thunderbolt 3-compatible monitor. If you see an icon of a black "D" with a white "P" inside, the port supports DisplayPort, which means you can use a USB-C or DisplayPort-compatible monitor.

VGA or DVI: Less common nowadays are VGA ports, which are 15-holed ports with two pins on either side, and DVI ports, which have 24 holes and a gap on one side.

  1. Determine your monitor's video input. Most modern monitors have HDMI, USB-C, and/or DisplayPort video inputs. If you have the same type of port on both the laptop and the monitor (such as HDMI on both), you can get a standard cable.
  2. Otherwise, you'll want to get an adapter to connect two different technologies, such as a USB-C to HDMI adapter, or an HDMI to VGA adapter. All of these adapter types are common and can be found anywhere electronics are sold.
  3. Use the cable to connect your laptop to the monitor. Plug on end of the cable into your laptop's video port, and the other end into your monitor's video input port. Use an adapter to bridge the connection if necessary.

Plug in and turn on the monitor. Attach your monitor to a power source (e.g., an electrical outlet), then press the monitor's Power button. Once connected, you should see your laptop's desktop and icons (or some variation thereof) appear on the monitor's screen, you can proceed with setting up your laptop's display settings.If you are using a monitor or TV that has multiple inputs, you will need to select the port you connected your laptop to on the monitor.