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I'm looking for any negatives in using say a 32" LCD TV as a desktop monitor.

The obvious one is cost, the price of quality TVs are generally higher then good quality monitor, but the size increase in the TV accounts for that...

HD TVs genearlly stop at resolutions of 1920x1080, but monitors of a smaller size can achieve higher resolution.

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up vote 7 down vote accepted

Actually, this is becoming fairly common practice - many people are buying an LCD TV and using it as their monitor. I personally have a setup like this (with a Samsung Series 5 32"), but there are a couple of drawbacks.

  1. Color fidelity - for some reason, the Samsung Series 5 does not seem to be as contrasty or vibrant as my main computer LCD monitor, a Dell 2407WFP.
  2. Eye travel - Anything upwards of 26" and your eye tends to travel if you are sitting too close.
  3. Sharpness - again, bigger screens but same resolutions means the dot pitch (or individual pixels) are spread out more, giving the impression of less sharpness.

If you are using it for gaming or normal stuff, I'd say an LCD TV as a monitor is really nice and big, especially when paired with a set of wireless keyboard + mouse. However, if you are going to do critical photo-editing or etc, you might want to invest in a good LCD monitor instead. Just my $0.02 worth.

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One additional drawback that I would cite is that TVs nearly always introduce greater input latency than PC monitors. This may or may not be a problem for you depending on how sensitive you are to the effect. –  Fopedush Dec 17 '12 at 14:50
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Dead pixel warranties seem to be much better for LCD montors than for LCD TVs. Even by the same manufacturer.

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I am using LG 32'' LCD TV mainly as monitor (and as TV I do not use it at all) for something about 2 years. For this period of time the main negative I noticed is that TV doesn't automatically turns off/on on computer power off/on. Instead it shows something like "No connection" message and I need to turn it on/off manually.

And thats all...

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