Using a cheap tv as a pc monit1/28/2024 ![]() ![]() The good news is that most current televisions assume everything is digital and display every pixel without reverting to overscan. This doesn’t always work, and is highly dependent on the video card used in your computer. Adjust Windows to a display at a smaller resolution.If your TV has a width and height adjustment, see if you can get it to display the full image of whatever you’re looking at.If this happens, there are really only two alternatives: When watching a television show, this might not matter, but when using that TV as a computer display, it could mean some portion of items, such as your taskbar, goes off the edge of the screen. The result is that, depending on many factors, you might only be seeing 1900 × 1060 pixels of your 1920 × 1080 high-definition video: 10 pixels might be “lost” off of each edge. Computer monitors display a fixed number of pixels as well the display I’m using right now has exactly 3840 by 1600 pixels.ĭigital televisions, however, occasionally carry the concept of overscan forward. A 1080p high-definition video, for example, is exactly 1920 pixels wide and 1080 pixels high. On computers, it’s simple: an image, be it video or still, is characterized by its resolution, as discussed above. Most analog TVs had both vertical and horizontal adjustments to control how much of the image was included in the visible area. Most TV video was encoded to avoid displaying something that would end up off the edge. Analog signals included information that was slightly off the edges of the screen. One of the artifacts of analog television is the concept of overscan. When using a digital television, you’ll want to set your computer’s output resolution to one of those - preferably the highest-quality resolution supported. Older, analog television was roughly equivalent to a digital resolution of 486 × 440. Televisions, on the other hand, have a fairly fixed set of resolutions: 1 It’s measured as a count of the number of pixels across (horizontal) by the number down (vertical).Ĭomputers and computer screens can be set to a wide variety of different resolutions, depending on the graphics hardware used. Resolution is the number of pixels or dots displayed on a computer screen. You’ll get better results if you can avoid conversion. While DisplayPort to HDMI might be a simple cable, other conversions may require a device of some sort to perform the signal conversion. There are often conversions between the various alternative connections as well. Component video is an analog interface that uses separate connections for each of the primary colors: red, green, and blue.S-Video (Separate Video) is a higher-resolution analog interface that was common for some time.VGA ( Video Graphics Array) is an old analog interface you might recall from older computers and computer monitors.DVI (Digital Visual Interface) is a video-only interface.HDMI/Displayport converters work if one side of your intended connection supports HDMI. DisplayPort is a digital video and data connection that perhaps exceeds HDMI in overall capability (we can use it for things other than audio and video, like connecting other peripherals such as external drives), but isn’t nearly as ubiquitous.These include, in decreasing order of popularity and/or video quality: If either your computer or your television doesn’t support HDMI, you’ll need to look at alternatives. HDMI includes both video and audio, so you can use your TV’s speakers if you like.The display device (the TV, in our example) can inform the computer of the optimal resolution to use.HDMI is preferable for a variety of reasons. Make sure to select the correct input on the TV and the correct output on the computer. If you have an HDMI output on your computer - as many do these days, especially laptops - and your TV has an HDMI input - once again, as many do - then you’re good to go. The ideal connection for most computer-to-television usage is HDMI ( High-Definition Multimedia Interface). If your computer or TV has different connections, then there may be additional options, albeit with different impact on image quality. Particularly if both your computer and your television have HDMI connections, your TV can make a great second display. ![]()
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