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Apple Computing Products:
macOS - Operating System
Second Display Problems
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<blockquote data-quote="D3v1L80Y" data-source="post: 537465" data-attributes="member: 2960"><p>10 years ago, very few video cards were capable of running a 1920x1200 resolution. The ones that did were expensive and certainly not standard.</p><p></p><p>Windows may have more "control", but allowing software to override hardware's limitations isn't always a good thing. Personally, I would rather have the software make the appropriate judgement and maintain the integrity of the hardware's ability, rather than risk damage or a shortened lifespan.</p><p></p><p>... Ever wonder why?</p><p>Televisions and computer monitors are very different. </p><p>Computer monitors and TVs differ in the following very important ways:</p><p></p><p><strong>Color:</strong> Computer monitors and television screens generate colors differently. This means that colors that look fine on your computer may not look so hot when viewed on a TV. </p><p></p><p><strong>Pixel shape:</strong> Pixels on computer monitors are square, but the pixels in TV images are slightly rectangular. Basically this means that some images that look okay on your computer may appear slightly stretched or squeezed on a TV. (this is why the resolution is lowered when using the TV with a computer in a mirrored mode. The computer attempts to compensate for the inconsistency in an effort to make the picture "work" for both screens.)</p><p></p><p><strong>Interlacing:</strong> TV video images are usually interlaced, whereas computer monitors draw images by using progressive scanning. (With progressive scan, an image is captured, transmitted and displayed in a path similar to text on a page: line by line, from top to bottom. The interlaced scan pattern in a TV display completes such a scan too, but only for every second line.</p><p><a href="http://upload.wikimedia.org/wikipedia/en/d/db/Interlacingani2.gif" target="_blank">Side by Side Comparison Example</a></p><p></p><p>So, forcing a TV to act like a monitor (which is what happens when you hook it up to your computer) isn't the best thing to do. Sure Windows may let you do this, but that doesn't mean it is the best thing for it or even the "right" thing to do.</p><p></p><p>If you only intend to use the second display to view movies, then you are better off using a monitor since this will allow you to use the higher resolution.</p><p>Better yet, just move the video app's viewer window to the second display and then fullscreen it. This is what I do with VLC when I watch movies with my computer. I just move the app to the 24" WS display and fullscreen it... works fine for me.</p></blockquote><p></p>
[QUOTE="D3v1L80Y, post: 537465, member: 2960"] 10 years ago, very few video cards were capable of running a 1920x1200 resolution. The ones that did were expensive and certainly not standard. Windows may have more "control", but allowing software to override hardware's limitations isn't always a good thing. Personally, I would rather have the software make the appropriate judgement and maintain the integrity of the hardware's ability, rather than risk damage or a shortened lifespan. ... Ever wonder why? Televisions and computer monitors are very different. Computer monitors and TVs differ in the following very important ways: [B]Color:[/B] Computer monitors and television screens generate colors differently. This means that colors that look fine on your computer may not look so hot when viewed on a TV. [B]Pixel shape:[/B] Pixels on computer monitors are square, but the pixels in TV images are slightly rectangular. Basically this means that some images that look okay on your computer may appear slightly stretched or squeezed on a TV. (this is why the resolution is lowered when using the TV with a computer in a mirrored mode. The computer attempts to compensate for the inconsistency in an effort to make the picture "work" for both screens.) [B]Interlacing:[/B] TV video images are usually interlaced, whereas computer monitors draw images by using progressive scanning. (With progressive scan, an image is captured, transmitted and displayed in a path similar to text on a page: line by line, from top to bottom. The interlaced scan pattern in a TV display completes such a scan too, but only for every second line. [url=http://upload.wikimedia.org/wikipedia/en/d/db/Interlacingani2.gif]Side by Side Comparison Example[/url] So, forcing a TV to act like a monitor (which is what happens when you hook it up to your computer) isn't the best thing to do. Sure Windows may let you do this, but that doesn't mean it is the best thing for it or even the "right" thing to do. If you only intend to use the second display to view movies, then you are better off using a monitor since this will allow you to use the higher resolution. Better yet, just move the video app's viewer window to the second display and then fullscreen it. This is what I do with VLC when I watch movies with my computer. I just move the app to the 24" WS display and fullscreen it... works fine for me. [/QUOTE]
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