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How to Connect a Projector to a Laptop | electronicsshowplace

How to Connect a Projector to a Laptop | electronicsshowplace
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Entertainment is something that provides power to the body mentally and physically. It removes the stress and sadness of the mind and makes one energetic and free from all woes. For this purpose, the laptop is helpful along with other instruments. But can a laptop be used for entertainment? How?

connect a projector to a laptop

The answer is yes and is by connecting a projector to the laptop.

Every projector is designed with one or more ports which permit you to receive and show an image created by a laptop or watch movies on a bigger screen. A laptop can be connected to a projector if it has proper preparation with equipment like the appropriate cords and inputs. Otherwise, it will result in a delayed or canceled presentation.

You can quickly and effectively make a duplicate screen of the original one, extend it or display an image on the projector by the help of simple keyboard shortcut or by the use of a DVI, HDMI, or VGA cable at all times of the day. You can also use Bluetooth if available.

Below is an account of how to connect a projector to your laptop in an effective way.
Find out the available connection and matching port:
The first important thing while connecting a projector to a laptop is to identify the matching port on both the machines. When you have found out the matching port on both your output device and an input device, you need to connect them to each other.

By the use of video cable:

There are many types of video cables that are used to connect a projector to a laptop. A variety of video cable can be found in most of the projectors. Here is a list of video cables. Have a look!


The HDMI cable is designed to connect two devices and is used to transfer sound and picture. This connection supports high-definition and Ultra HD video signal and audio. This type of cable has a flat, gold or silver head which is about 0.6 inches, or 1 centimeter across. This device is a bit identical to a USB port on your computer or laptop, though a bit wider and taller. It is standard and popular among video cables.

Nowadays, most projectors are designed with HDMI ports and also most laptops support this display electronics. Features like high-quality signal and the ability to carry both audio and video signals are making this HDMI popular and standard for all electronic equipment.

You may experience a situation where you cannot connect the two devices by the use of HDMI. In this situation, you need to buy DVI to HDMI adapters.


This sort of video cable has a blue head and 15 pin connectors in 3 rows of 5, which plugs into a VGA port on each device. Sometimes you cannot find the other pins on the inside, though it depends on the system’s setup. This connection is another cable that is commonly used to connect the projector to laptops and thus transfer the picture signal from the laptop to the projector. You can also find this connection almost in all the projectors. Connect the VGA cable from the laptop’s external video port to the projector.

This connection is universal for that electronic equipment that supports it. In case you own a display adapter for the laptop, connect it to the VGA cable before you connect it to your laptop.


This connection has a white head with 24 large pins and 4 small pins. Anew devise than VGA, it makes the image sharper. Epson projector doesn’t have this port but it’s still somewhat common on projectors.
This device is most commonly used to connect computers, projectors. Some laptops support this DVI port. Apple laptop supports this device more than any other brands of laptop. This device is difficult to find out.


You can commonly find this device on projectors but can seldom find it on laptops. This electronic equipment is a small step up from composite video, though it’s obsolete.

After you have identified the matching and appropriate ports on both your laptop and projector, you are able to connect the cables to both devices. Also, find out which matching port it connects too on the projector. You can generally find the connector ports on the back of the projector or flat screen display. You can find that there are many video connections are labeled. If you don’t find them labeled, cast a look on the shape of the head on the cable and plug it into the port that has the same shape and size.

If you find holes in the cable head, find out the metal pins in the connector port which is identical to the holes and plug the cable into the connector port. In case, you cannot find the same connections on both the devices, you need to buy a video converter cable which converts one signal into a compatible one.

An important step to do is to press the power button on the laptop and the projector. You will find the power button on the buttons panel or it is remote for the projector. A symbol which is identical to a circle with a line through the top is used to indicate the power button. If your laptop is still off, turn it on.

When you have connected the laptop to the projector, the two devices are automatically connected or you will seldom need to press the “send” button to send the video signal to the projector or display, or other keys on the laptop’s keyboard to activate the projector. The button you need to press is not the same. It depends on the make and model of the laptop.

Typically, the button is F9+F3, F4, F5, F8, or F9. For example, pressing and holding the Fn+F3 button on the keyboard of the laptop at the same time transmits the video signal to the projector or display. You may be required to press and hold “Fn” to access the “F” keys. The Fn key may be labeled as CRT/LCD, or have a picture of a monitor on the key. Check the laptop’s manual if you are unable to find the key. If the problem still continues, contact your laptop manufacturer, or visit their website.

Some laptops can transmit the videos to both the laptop and the external display at the same time. You need to press the appropriate function key to enable the laptops to toggle between the two modes. Modern laptops may also contain a DisplayPort that you can use to connect the projectors which support the DisplayPort cable.
If the projector supports DVI, VGA, or HDMI instead, you will also find a DisplayPort cable that will let you connect DVI, VGA or HDMI display to the laptop’s DisplayPort.

Connect the audio cable of the projector to the Audio Out in the laptop and Audio In the projector. You need to tighten the connections. Some laptop and projectors don’t require any audio cable if they support HDMI as it carries both audio and video.

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