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How do I extend my desktop with one VGA port?

Author

Ava White

Updated on March 04, 2026

How do I extend my desktop with one VGA port?

Many computers come with a single VGA port. However, this does not mean that you cannot extend the desktop. You have two options when you find that there is only a single VGA port, you can either change computer's video card with another that supports two VGA cables or use a VGA splitter with a USB port.

Correspondingly, can I use a VGA splitter to extend my desktop?

5 Answers. Splitters don't support extended desktop applications. All a Video Splitter does is display the same image on multiple monitors. There is a type of VGA y-cable that allows driving two separate monitors from a single card, with a single VGA port, but I've only seen them in Dell branded machines here at work.

Additionally, can you use VGA and HDMI at the same time? Even if you have both HDMI & VGA outputs, you'll only be able to use one at a time. Or, at best, they will share the same picture output. If you want to run more than 1 external monitor off your laptop, you'll need to use some type of USB multi-monitor adapter.

Keeping this in view, can you set up dual monitors with one VGA port?

You want to connect multiple monitors. There are two ways to do that: Add a graphics card with more outputs. For non gaming purposes a cheap (€80-ish) card with 2 or 3 outputs will do just fine, and you can use both these and the current DB15/VGA connector.

What is a VGA splitter used for?

VGA splitters are often used for connecting projectors and televisions to your computer but they can also be used to connect multiple monitors to the same computer and have different windows appear on each monitor.

How do I convert VGA to HDMI?

To do this, it is necessary to pass the VGA signal through a converter, which will take the VGA analog video signal and the stereo audio signals and convert them into digital signals which can then be sent out across a HDMI cable for connection to a monitor with a HDMI connector.

Can I split a VGA to two monitors?

Numerous different configurations are possible, especially when using adapters. The VGA splitter is one of the more efficient ways of creating a dual monitor connector. The cord is specifically designed to bridge the gap between two monitors while only taking a single port on your computer.

How do I connect two VGA monitors to my laptop?

For example, I have VGA and HDMI ports on my laptop, and my external monitors have cables for VGA and HDMI ports as well: Plug the cable of the first external monitor to the correct video port on your laptop. So I plug the VGA cable of the first external monitor into the VGA port on my laptop.

How do you set up a VGA monitor?

Plug the VGA cable from the monitor into the VGA port on the motherboard. Press the VGA cable plug into the port so it fits snugly and tighten the thumbscrews on either side. If you use the DVI adapter, plug that into the DVI port on the video card and tighten the thumb screws on either side.

What is a VGA splitter?

A VGA splitter is a cable or device that allows you to separate a video signal into multiple connections and connect those individual signals to multiple devices.

How do I extend my display?

Extend screen across multiple monitors
  1. On the Windows desktop, right-click on an empty area and select the Display settings option.
  2. Scroll down to the Multiple displays section. Below the Multiple displays option, click the drop-down list and select Extend these displays.

Can I have dual monitors with only one HDMI port?

HDMI, unlike DisplayPort, does not have the ability to send two different display streams through the same cable, so there is no device you can connect to an HDMI port that will provide you with that capability. The splitter, as the name implies, will just send the same signal to multiple monitors.

Can I connect a second monitor to my first monitor?

You don't have to use the same connection that you use for your first monitor on your second monitor. For example, you can attach the first monitor using a DisplayPort cable and attach the second monitor using HDMI. In some cases, you might be able to set up a second monitor wirelessly.

How do I connect a second monitor to HDMI?

Plug the power cords into your power strip. Connect the first monitor to your computer through the HDMI port or through a VGA port, if desired. Do the same for the second monitor. If your computer only has one HDMI port and one VGA port, which is common, find an adapter to complete the connection.

Is it better to use VGA or HDMI?

HDMI can carry both digital video and audio signals, all while encrypting data with HDCP. The video quality attained with a VGA cable is noticeably worse when compared to that of HDMI. Even so, HDMI may be phased out soon, as USB 3.1's versatile Type-C connector has the potential to replace the HDMI standard.

Which cable is better VGA or HDMI?

HDMI is a digital cable. VGA is analogue. VGA cables can have degrading quality within the cables and make picture quality poorer. On the other hand, HDMI is all digital, so quality is not at all affected.

Is there a HDMI to VGA adapter?

The Cable Matters Active HDMI to VGA Adapter is the ideal solution for connecting a computer or other HDMI source to a display with full HD video. The combination of gold-plated connectors with optional USB power in a lightweight package provides a portable adapter that is easy to carry.

What is the use of VGA splitter?

The VGA splitter is one of the more efficient ways of creating a dual monitor connector. The cord is specifically designed to bridge the gap between two monitors while only taking a single port on your computer.

Do I need VGA if I have HDMI?

The first one is that VGA is an analog interface. HDMI is a digital one. The second difference is that VGA is a video interface and HDMI includes both audio and video. For this reason, you will need not just a cable when connecting a device with a VGA interface to a device with a HDMI interface, but an adapter.

Is a VGA cable necessary?

No, you don't need a VGA cable, but you do need a video cable, be it HDMI, DVI, VGA or Display Port. Some monitors aren't smart enough to detect video source, so you may have to select "HDMI" with one of the buttons on the monitor. You may have multiple video cards and/or video ports.

How do I get VGA output on my laptop?

From the computer's “Control Panel,” click “Hardware and Sound” and then “Connect to an External Display.” Select the VGA monitor from the “Display” drop-down menu and click “OK” to switch to the VGA monitor.

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How do I extend my desktop with one VGA port?