Can I use VGA with laptop? 2022

Kinh Nghiệm về Can I use VGA with máy tính? 2022

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Updated: December 18, 2022

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• Table of Contents Show


• What Does a VGA Port Look Like?


• What Does a VGA Cable Look Like?


• What Does a VGA Connection Do?


• When Should You Use a VGA Connector?


• A Brief History of VGA Connections


• How to Get a Good Computer Image on Your TV Screen Using VGA


• Does VGA Work With HDMI?


• How to Convert VGA to HDMI


• How to Convert HDMI to VGA


• Can You Convert DisplayPort to VGA?


• VGA to DisplayPort Conversion


• What Is a USB to VGA Adapter For?


• Frequently Asked Questions


• What is VGA?


• What Does VGA Stand For?


• What Is a VGA Cable?


• Which Is Better, VGA or DVI?


• How Many Pins Are on a VGA Connector?


• 
  

A VGA cable can help send a máy tính image to your TV, but it can be more complicated than that. Learn about the VGA port and if you can convert VGA to HDMI.




A VGA cable is mainly used to connect computers and laptops with screens and monitors, although you may also find this connection type on older AV equipment.




While a VGA port is a relatively old connection type now, it still has its uses, so dont be surprised if you run into one of these from time to time.




There are still plenty of times that you might need to use a VGA connection.




And, you might be surprised to know that you can connect VGA to HDMI, which can be extremely useful if you want to connect older equipment together.




But thats not all; you can connect HDMI to VGA too!




Let us take a look this connection type and consider its use.




Table of Contents Show



• What Does a VGA Port Look Like?


• What Does a VGA Cable Look Like?


• What Does a VGA Connection Do?


• When Should You Use a VGA Connector?


• A Brief History of VGA Connections


• How to Get a Good Computer Image on Your TV Screen Using VGA


• Does VGA Work With HDMI?


• How to Convert VGA to HDMI


• How to Convert HDMI to VGA


• Can You Convert DisplayPort to VGA?


• VGA to DisplayPort Conversion


• What Is a USB to VGA Adapter For?


• Frequently Asked Questions



What Does a VGA Port Look Like?




The VGA connection on your device looks like this:









It is a female 15-pin D-sub port.




The D shape ensures that VGA cables will only fit one way round, and it is often colored blue or black.




Depending on your device, the connector will either be a video input or output.




It may be labeled as input or output on the device itself, but if not, you should know what it is by considering what the device is for.




For example, on a desktop computer or máy tính, the VGA port will be a graphics card output for connecting to a monitor or screen.




But, it will probably be a video input for receiving video from a source device on a projector.




What Does a VGA Cable Look Like?









A VGA cable looks like this.




It will have a male 15-pin D-sub connector, which obviously fits nicely with the female connector on your hardware.




Be careful when plugging this in, as you can bend the pins unless you are careful. If you find it isnt going in easily, check for any bent pins on the cable end.




If you see some that arent aligned properly, you can carefully straighten them up with tweezers or a small pair of pliers.




What Does a VGA Connection Do?




A VGA connection sends analog video signals between compatible devices. You would usually use a VGA connector on your AV equipment to connect your PC or máy tính to a projector or television.




VGA connections usually receive an analog RGB signal from a device the kind of video signal you get from a computer and VGA supports standard and high-definition resolutions.




A VGA cable does not transmit audio signals, so a separate audio connection will be required to hear any audio.




The standard 15-pin D-Sub connector is common on many computers, and therefore you can use VGA male-to-male cables to send a computer image to your TV screen.




When Should You Use a VGA Connector?




A VGA connection is often used if you want to connect your PC or máy tính to your TV or projector.




However, if your computer or máy tính has a DVI or HDMI output, then it would usually be better to connect using this type of connection.




If your output device only has a VGA port or has no spare DVI or HDMI inputs then a VGA connection will still give you a good picture.




However, ensure you buy a good quality cable, as the cheaper VGA cables can often produce a poor image.




A Brief History of VGA Connections




VGA was developed in 1987 by IBM for an original display resolution of 640×480 pixels.




As VGA also became the standard video connection type for computers, VGA might refer to the standard VGA display resolution of 640×480 or the 15-pin D-Sub connection.




Over the years, the VGA standard connection has been adapted for higher video resolutions, including Super Video Graphics Array (SVGA) and Extended Graphics Array (XGA).




A VGA connection now even supports high-definition formats like 1920×1080 and 2048×1536.




How to Get a Good Computer Image on Your TV Screen Using VGA




To get a sharp computer image on the TV screen, its best to set the output video resolution of the computer to match the native resolution of the TV.




If not, the image will appear stretched or blurred.




Also, you may not be able to fill the whole TV screen with a sharp image as the computers output resolution may not match the TVs resolution.




If you are using a máy tính, you will usually need to press a combination of keys to send the image to the TV for example, function + F7.




This will vary between models and so consult your manual.




Does VGA Work With HDMI?




Although both tư vấn video signals, VGA wont work directly with HDMI because they use different signal types and connectors.




VGA uses an analog video signal, whereas HDMI is a digital interface.




However, you can make this connection type work if you buy a compatible converter or adapter, although there are some limitations on what you can send.




Knowing which way you wish to convert the signal VGA to HDMI or HDMI to VGA is crucial because this will determine which type of converter you need.




How to Convert VGA to HDMI




To convert a VGA signal to HDMI, you will need to buy an adapter cable.




Sending a computer image to your television is more difficult if you have a VGA port on your computer but you dont have a VGA connection on your TV.




Most modern TVs will have several HDMI inputs, but maybe not VGA.




The VGA to HDMI scaler/converter pictured below supports sending from a VGA output to an HDMI input but not the other way round.




Best VGA to HDMI AdapterVENTION VGA to HDMI Adapter with AudioWhat Is It: An adapter for sending video from a VGA output to an HDMI input that also supports audio.Pros:



• Supports [email protected] (1080p Full HD)


• Also supports 720p, 1280×1024 and 1600×1200


• Use the 3.5mm connection to send audio with the picture.


• Comes with USB for devices that require power



Cons:



• Not bi-directional – VGA to HDMI only



CHECK AMAZON PRICE




You can also use the supplied 3.5mm male-to-male cable to send audio to your TV, so you will get both the picture and sound if required.




All you need to do is connect the VGA connector on the adapter to the VGA output connection on your máy tính then connect a separate HDMI cable from the adapter into one of the HDMI inputs on your TV.




There is a USB connection for devices that need additional power.




The above model supports video up to 1080p Full HD but will also tư vấn 1600×1200 (UXGA) and 1024×768 (XGA) and the resolution you can send will depend on your máy tính.




Just be aware that you wont be able to send copyright-protected content because the HDCP protection for HDMI requires tư vấn from all devices in the chain and a VGA connection doesnt tư vấn HDCP.




How to Convert HDMI to VGA




For converting HDMI to VGA, you should be aware of some possible limitations.




You wont be able to play copyright-protected material such as from a Blu-ray player as there will be no HDCP connection. This is required for copyright protection.




You may also require a separate audio connection.




However, if that isnt an issue, then the HDMI to VGA adapter below will do the job just fine.




Best HDMI to VGA AdapterMoread HDMI to VGA AdapterWhat Is It: An adpater for connecting an HDMI output to a VGA input.Pros:



• HDMI male to VGA female


• Supports [email protected] (1080p Full HD)


• Also supports 720p, 1280×1024 and 1600×1200


• Works with laptops, Chromebooks, Roku, Wii U and many more



Cons:



• Doesn’t tư vấn Blu-ray players and low-power HDMI ports



CHECK AMAZON PRICE




It supports sending video from several devices such as PCs, notebooks, Chromebooks, Xbox and Wii U.




It doesnt tư vấn devices with low-power HDMI output ports such as the Sony PS4 and some Apple products.




Can You Convert DisplayPort to VGA?




Yes, you can buy an adapter that will allow any device with a DisplayPort output to connect to a VGA input.




As with HDMI to VGA, you must make sure you buy an adapter that converts the signal in the correct direction so, in this case, from DisplayPort to VGA.




The adapter pictured below will do the job for you and supports 1080p Full HD video plus many other resolutions, including 1920×[email protected], 1280×768, 1680×1050 and 1024×768.




Best DisplayPort to VGA AdapterBENFEI DisplayPort to VGA AdapterWhat Is It: An adapter for sending video from a DisplayPort output to a VGA input on monitors and projectors.Pros:



• Supports resolutions up to [email protected] (1080p Full HD)


• Also supports 720p, 1280×1024 and 1600×1200


• No software installation required


• 18-month Warranty



Cons:



• Not bi-directional – DisplayPort to VGA only



CHECK AMAZON PRICE




All you will need is to provide a suitable VGA cable to connect from the adapter to the VGA input on your display device.




You cannot use this to transfer audio; it is video-only, so you will need to make a separate audio connection from your source device to your display or speaker system.




VGA to DisplayPort Conversion




Of course, it may be that you are in the opposite situation.




You might have an older computer with a graphics card with VGA-only and you need to connect it to a newer screen, TV or projector with a DisplayPort input.




In which case, you need to find an adapter that converts the video signal in the right direction.




Here is a VGA to DisplayPort adapter that does just that:




Top VGA to DisplayPort AdapterTECHTOBOX VGA to DisplayPort ConverterWhat Is It: A converter cable for connecting a VGA video output to a DisplayPort input.Pros:



• Maximum resolution of [email protected]


• Audio transfer available via 3.5mm connector


• Flexible, shielded cable


• No driver software required



Cons:



• Not bi-directional – VGA to DisplayPort only



CHECK AMAZON PRICE




With a maximum resolution of 1920×[email protected], you will be able to transfer a high-quality HD image.




Just attach the 15-pin D-Sub male connector to the VGA output to output the video and audio tư vấn is also available when you connect the supplied 3.5mm connector to a suitable audio output.




You will also need to connect the USB plug to provide power for the adapter.




What Is a USB to VGA Adapter For?




You would need a USB to VGA adapter to add a VGA output to a device that didnt have one.




For example, you might have a projector with a VGA input and want to connect your máy tính computer to display on a big screen.




But, many new computers dont have a VGA output anymore, so you have a problem.




Fortunately, most computers do have plenty of USB ports. So, buying this adapter allows you to add a VGA video output to your computer, and you can easily connect your hardware together.




The model shown here is a popular example of a USB 3.0 to VGA adapter:




Top USB to VGA AdapterBENFEI USB 3.0 to VGA AdapterWhat Is It: A adapter for adding a VGA output to any device with a USB-3.0 or USB 2.0 connection.Pros:



• USB 3.0: tư vấn up to [email protected]


• USB 2.0: tư vấn up to [email protected]



Cons:



• Software installation required – Windows only



CHECK AMAZON PRICE




The most important consideration is the operating system of your computer.




This model only works with Windows 7/8/10, and you need to install the provided software on your computer.




The other important point is that it will only tư vấn resolutions up to 1920×[email protected] if you connect it to a USB 3.0 port.




If you only have USB 2.0 connections on your device, the resolution will be limited to 800×[email protected]




What if you dont have a Windows computer? Then you will need to purchase a different adapter.




This USB to VGA adapter will work on any device with a USB Type-C connector:




Top USB-C to VGA AdapterBENFEI Thunderbolt 3 (USB Type C) to VGA AdapterWhat Is It: A adapter for adding a VGA output to any device with a USB-C connection.Pros:



• Resolutions up to [email protected] inc.1080p & 720p


• Support for any USB-C device, including Thunderbolt 3


• Works with compatible MacBook Pro, MacBook Air, iPad Pro and iMac


• Support for compatible laptops, tablets and phones



Cons:



• Not all laptops, phones and tablets supported



CHECK AMAZON PRICE




You dont need to install any software with a USB-C connection, so it will work on various devices, including compatible MacBooks (Thunderbolt 3 connections), iPads, laptops, tablets and phones.




Check with the manufacturer for a complete list of supported devices before buying.




Frequently Asked Questions




Here are some quick and easy answers to common questions about VGA.




What is VGA?




VGA can refer to either the original video standard resolution of 640×480 or the analog video connection found on many multimedia devices. The connection is mainly used on computers and laptops for linking to display monitors but may also be found on projectors and TVs. These days, it is more common to use a digital video connection to transfer video like HDMI, DisplayPort and DVI.




What Does VGA Stand For?




VGA stands for Video Graphics Array.




What Is a VGA Cable?




A VGA cable is for connecting VGA video inputs and outputs. Although an older connection type, many computers, laptops, projectors and TVs still have VGA connections, so you can use a VGA cable to send an image to your display device.




Which Is Better, VGA or DVI?




It is unlikely you will see much difference in picture quality between VGA and DVI-A. Just make sure that you buy a good quality cable because analog video can be adversely affected by electrical interference and long cable runs. A DVI-D connection is digital, which may work better than analog in some circumstances.




How Many Pins Are on a VGA Connector?




A standard VGA D-Sub connector has 15-pins.




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Paul started the trang chủ Cinema Guide to help less-experienced users get the most out of today’s audio-visual technology. He has worked as a sound, lighting and audio-visual engineer for around 20 years. At home, he has spent more time than is probably healthy installing, configuring, testing, de-rigging, fixing, tweaking, re-installing again (and sometimes using) various pieces of hi-fi and home cinema equipment.




Image Credit: © Can Stock Photo Inc. / KirshalI link to products I like. If you buy from a link marked with * in this post, I may get a commission: about adsI just want to tell you that the way you explain things along with great visuals is beyond excellent. I read through your posts just one time on analog connections when transferring home movies to DVD and completely understood the process using the composite video to HDMI converter that I purchased. Thank you for the time and effort you put in helping those who are often in a fog working through this ever-changing technical world.~ Sharon ~




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