Showing posts with label DVI. Show all posts
Showing posts with label DVI. Show all posts

Thursday, March 29, 2012

Index of Ports (Inputs and Outputs)

Video

Digital Video

HDMI (Can carry both audio and video)

DVI

Analog Video

VGA (High Resolution Analog)
S-Video/RCA (Yellow) (Low Resolution Analog)
Audio

Digital Audio (Provides Surround Sound)

Optical
Coaxial

Analog Audio

RCA (White and Red) Stereo

3.5mm (mini-jack) Stereo

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Connect DVI Laptop to S-Video/RCA TV

Your Laptop (DVI Out)
Your TV (S-Video/RCA In)

While an extremely unorthodox setup, sometimes you have to work with what you have. In the instance of connecting your laptop's DVI OUTPUT to your TV's S-Video/RCA INPUT you'll need a few things. Before reading further though, I'd recommend using just about any other cable and conversion method available to you before doing this, as it requires more than 1 or 2 cables and a converter and to me just seems like more of a hassle than it's worth.



DVI to HDMI Cable

This cable allows you to send your digital signal from your laptop's DVI OUTPUT to your converter's HDMI INPUT in a single cable. 

HDMI to S-Video/RCA Converter

Once your DVI to HDMI cable is connected to your laptop's DVI OUTPUT, connect it to this converter's HDMI INPUT. Since DVI is unable to carry audio, this will only convert your laptop's video to an analog signal, meaning the only two cables that need to come out of this converter's OUTPUT are an S-Video cable (optional for better quality) and a single RCA video cable. There should be NO cables connected to the LEFT (white) and RIGHT (red) audio outputs, as there is no audio signal coming from them in this scenario.

RCA Video Cable

Connect one end of this RCA Video cable to your HDMI to S-Video/RCA converter's video OUTPUT and the other end to your TV's video INPUT.

S-Video Cable

For better video quality, connect one end of this S-Video cable to your HDMI to S-Video/RCA converter's video OUTPUT and the other end to your TV's S-Video INPUT.

Recommended Audio Connection


3.5mm to RCA Y-Splitter

There are many ways you can connect your audio to your TV, except in this convoluted solution the absolute easiest method is to get a simple 3.5mm to RCA stereo Y-Splitter. Connect the 3.5mm end to your laptop's headphone jack for audio OUTPUT, and the other end to your TV's left (white) and right (red) audio INPUTS. For more information regarding this cable, please read my article on connecting your laptop to TV via 3.5mm to RCA Y-Splitter.
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Connect DVI Laptop to VGA TV and Vice Versa

Your Laptop (VGA Out)
Your TV (DVI-I In)

OR
Your Laptop (DVI Out)
Your TV (VGA In)


If you don't have a digital input available to you on your TV like HDMI or DVI, using a VGA input is the next best thing. While it doesn't carry a perfect signal like its digital cousins, VGA is capable of at least providing a higher resolution than any other non-digital cables. Known commonly as a "blue monitor cable," chances are if you're reading this on a desktop computer you probably have one within a few feet of you. VGA outputs are common on most laptops, but if you have a small netbook, DVI output may be your only option. If that's the case, you'll need this DVI to VGA converter cable. Just connect the DVI end into your laptop's DVI OUTPUT and connect the VGA end to your TV's VGA INPUT and you're all set.


Converting VGA to DVI

Unlike many of the other conversion processes on this site, converting a VGA signal to a DVI signal isn't always as straight-forward as you would think. This is due in part to the fact that there are several types of DVI ports and only a few of them will work with the cable listed above. The simple rule is this: If your TV's DVI INPUT has a small group of 4 pins off to the side this cable will work. If there is not a group of 4 pins, then it won't and you'll have to find a VGA analog to DVI digital converter like the one pictured to the left.
If your TV INPUT looks like a DVI-I connector, the cable will work.
If it looks like the DVI-D connector, you'll need a converter.

VGA to DVI and DVI to VGA Audio Options

Like every video cable, with the exception of HDMI, using the methods above will only get you half way in connecting your laptop to your TV. If you want your laptop's audio to play on your TV's speakers, you'll need to select one of the following options. While I recommend using an optical to optical cable or coaxial to coaxial cable if at all possible, if those options aren't available you can try one of the following.

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Connect Laptop to TV via DVI

Your Laptop (DVI Output)
Your TV (DVI Input)

The simplest solution for connecting your laptop to your TV is to find a matching laptop output and TV input and get a single cable that connects the two. Currently, the only two ways to transmit a crystal clear digital video signal from most laptops to TVs is either with an HDMI or a DVI cable. If HDMI is not an option for you for one reason or another, DVI is your second best option.

DVI was developed in 1999 to transmit digital signals between two devices and its makeup is extremely closer to that of its newer cousin, the HDMI cable. The only main difference between the two is that DVI cables are unable to carry sound. With this cable, all you need to do is plug one end into your laptop's DVI OUTPUT and the other end into your TV's DVI INPUT and you're in business... For video anyway.

DVI Audio Options

Since DVI is incapable of carrying an audio signal on its own, you'll have to choose a separate option for transmitting sound from your laptop to your TV. My personal recommendations would be either optical to optical transmission or coaxial to coaxial transmission. However, if neither of those options are available, you'll have to pick a different one from the following list:

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Wednesday, March 28, 2012

Connect HDMI Laptop to DVI TV and Vice Versa

Your Laptop (HDMI Out)
Your TV (DVI In)



OR
Your Laptop (DVI Out)

Your TV (HDMI In)
Often times you'll find your laptop or desktop is equipped with an HDMI output, but your TV (or your friend's TV) is just old enough that it doesn't have an HDMI input. Fortunately, before HDMI became as popular as it is today, DVI inputs were widely available. If your laptop has an HDMI port and your TV has a DVI port, you can successfully connect your laptop to your TV using a single cable.

Since HDMI and DVI are both digital signals that are very closely related, no converters are necessary. All you need to get a video signal from your laptop to your TV is this 3 meter HDMI to DVI adapter cable from Amazon. Be careful wwhen purchasing an HDMI to DVI adapter cable, as digital signals can sometimes only be sent in one direction. However, this specific cable has the ability to transmit both ways, so whether you want to connect your HDMI laptop out put to your DVI TV input or connect your DVI laptop output to your HDMI TV input you're good to go.

Once you have the necessary cable, plug the HDMI end into your laptop and the DVI end into your TV (or vice versa). Take note of the input name the DVI port is associated with, and set  your TV to that input. Once the TV input is set, you should have a crystal clear picture... But no sound.

HDMI to DVI Audio Options

While HDMI cables have the ability to carry audio, DVI cables unfortunately do not. Therefore, you'll need to purchase a separate cable if you wish to carry your laptop's audio to your TV. Take note when purchasing your desired audio cable that some TVs will automatically associate a single audio input with the DVI input method. This is most often the 3.5mm or "mini-jack" audio input. However, some TVs allow more flexibility. If you're unsure, you should check with your TV's manual before purchasing an audio cable. I have listed the following audio connectivity options in order of highest quality to lowest quality. Click on them to read the description and connectivity methods of each.
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