Questions tagged [crt]

CRTs or Cathode Ray Tubes are an older display technology that used to be common on desjtops and early luggable systems

CRTs used to be the common display type on desktop pcs, and even early portable systems, but have gone nearly completely obsolete. Legacy systems, as well as some specialized systems may still have these displays

CRT page on wikipedia

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Is CRT degaussing really dangerous for nearby laptops?

I have an old CRT connected to laptop as a secondary display. As you know, when CRT turns on it degausses itself; remember that sound when you turn it on, or force degaussing through menu. CRTs have a copper, or often in the case of cheaper…
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How to turn off ClearType and use whole-pixel anti-aliasing in Windows 7?

In Windows XP, you can have whole-pixel anti-aliasing by setting "Use the following method to smooth edges of screen fonts" to "Standard", or have sub-pixel anti-aliasing (for LCD monitors) by setting the option to "ClearType". In Windows 7, I can…
netvope
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Does Lowering The Monitor Refresh Rate Save Battery Life?

Is this a myth or is this for real? I read about it all and was wondering if anyone knows if it is true or tried it yet. Going from 60Hz to 40Hz
Rachel Nark
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LCD/LED screens; how color affects the power consumption?

I have read on web, for CRTs black color would reduce the power consumption of the monitor but for LCDs it's the white color that reduce the power consumption. It says "The way LCD's produce black is to energize all the pixels that need to be…
samsamara
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is my old crt flickering or is it just me?

I had to move my laptop over to the study, and we have an old/spare monitor which we haven't used a while - the last setup that used it was a CLI only linux install - it didn't flicker much, and text was sharp. I decided to use it with my laptop…
Journeyman Geek
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Does subpixel rendering technology such as ClearType have any effect on CRT displays?

If I understood correctly, subpixel rendering was originally designed to do anti-aliasing and improve the quality of text on LCD screens. It makes use of the fact that each pixel on a color LCD is actually a bunch of individual red, green, and blue…
GeneQ
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Does increasing "Screen refresh rate" damage monitors?

I work on different types of monitors (CRT, LCD) and all PCs have the same screen refresh rate as 60 Hertz. Recently I've read an article which claims that low refresh rates cause headaches. The writer states that 60 Hertz is a low refresh rate and…
Mehper C. Palavuzlar
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Are TFTs intended for brightly lit enviroments only?

I recently bought a 22" (LG) TFT to replace my old 17" CRT monitor. The very first thing I noticed was how bright it was. I reduced the brightness from 100 to just 20 and toned down the gammma and contrast. Then I opened my videocard settings and…
Manos Dilaverakis
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Possible eye damage from CRT monitors?

I'm using a CRT monitor right now (my LCD screen is broken), and it's currently set to 1024 x 768 at 85 hz, according to the OSD. Can a monitor with a refresh rate like that cause eye damage or eye strain? What is the optimal refresh rate for CRT…
Enrico Tuvera Jr
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What is the "maximum refresh rate" for CRT monitors?

I am planning to buy a CRT (low price, high refresh rate, no ghosting, no input lag). On some specs page they list different values for maximum refresh rates and preset signal timing. For example on the specs page of Sony E430 I can read: Preset…
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Why does Windows 7 recognize my second monitor yet the second monitor remains blank?

I bought a new monitor (Acer X203H) and wanted to plug it into my graphics card but on my graphics card one plug says CRT which is already filled with the first monitor and the second says DVI, which I don't have a cable for on my second monitor. I…
Edward Tanguay
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Main differences to the eyes between LCD and CRT monitors

Let's say that we have same average quality LCD and CRT monitors. They have same size, same resolution and same frequency. Let's say almost the same everything (temp, room light, etc). Which would be the differences between them to the eyes?
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How to make a VGA monitor display a white screen at all time?

I am hacking around with an old (CRT) VGA monitor. What I want is to make the monitor display a blank white screen at all time, when the power is connected of course. I do not care if I cannot use my monitor for its normal job anymore. Is it…
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Why it is hard to read QR code displayed on CRT screen?

I created some QR code just for fun, then tried to read them with my phone. When I display them on laptops, my phone read them just fine. But when I tried to read the exact same codes displayed on CRT screen.. none of them succeeded, from the mini…
Martheen
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How is it physically possible for monitors to change resolution?

When I run a full screen application at say 800x600 on my 1024x768 CRT monitor, the monitor makes some sort of clicking noise, turns black for a couple of seconds, and then somehow magically changes the resolution to 800x600. Isn't the resolution of…
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