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

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77
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7answers
12k views

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 ...
1
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2answers
40 views

Does displaying a higher than supported resolution on a CRT damage it?

I have an old IBM CRT monitor from, I think the 80's, and although it seems like it should support resolutions up to 1024x768 anything higher than 640x480 results in the image being garbled up (sort ...
0
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0answers
79 views

CRT Monitor - Position Adjustment issues like Vertical, Horozontal, Trapezoidal, etc

I have an HP 5502 CRT Monitor. The monitors onscreen display OSD buttons are not working, Unfortunately the complete display area is moved to middle so I can see only half of the windows and the ...
0
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0answers
350 views

OpenSSL, Converting CRT to PEM

I've been trying to use openssl to convert a .crt certificate to a .pem openssl.exe x509 -in server.crt -out openssl.pem -inform der -outform pem After using that command, I get unable to load ...
0
votes
1answer
71 views

What is this PCB component from an older CRT display?

I have an old CRT Display that used to dim out every morning and would require significant warmup before it reached normal brightness. A repair guy worked on it. He did some stuff and asked me to ...
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0answers
133 views

Black levels comparison: CRT vs. OLED [closed]

I don't know which site is better to ask this question. So here it is: Has CRT still a better black level than OLED displays?
3
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1answer
94 views

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 ...
1
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2answers
2k views

How to connect laptop to CRT TV

I have a Panasonic Quintrix CRT TV which has SCART point and I have a Sony Vaio laptop with VGA 15 pin and HDMI USB port. Planning to connect my laptop to tv using following items, Option 1 SCART to ...
2
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1answer
593 views

Does 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
2
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3answers
4k views

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 ...
3
votes
1answer
1k views

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 ...
2
votes
1answer
447 views

We have some old CRT screens that smell really bad when you activate them - why do they do that?

We have some old CRT screens (we don't use them anymore, but didn't throw them away yet) that smell really bad when you activate them - why do they do that? I remember that this effect started ...
0
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1answer
120 views

Preventing legacy non-flat-panel monitors from taking a computer with them when they blow?

I've lost an old machine or two to legacy CRTs that "snapped". Are there any devices that can be hooked between a computer and a monitor to keep a computer safe in the event that a legacy monitor ...
2
votes
1answer
407 views

Can laptops be used for DualView technology? [duplicate]

Possible Duplicate: What is a free/open source tool to allow me to control another computer or use it as a second monitor? Is it possible to align two laptops and configure them to use ...
4
votes
2answers
773 views

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 ...
0
votes
1answer
550 views

Are there any anti-reflective / anti-glare films or sheets? [closed]

It’s really hard to watch videos during the day because light-colored clothing, walls, and such reflect in the (CRT, desktop) monitor. I’m well aware of screens and such, but is there some sort of ...
3
votes
2answers
536 views

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 ...
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2answers
3k views

How to connect laptop to CRT TV (audio and video)?

My laptop has VGA and hdmi out. The graphics card is GT520m. My TV has : 3 RCA input 3 RCA output 3+2 Component input I want to connect laptop to TV for watching videos. Please suggest an ...
16
votes
3answers
17k views

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 ...
2
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2answers
6k views

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 ...
3
votes
1answer
1k views

Why don't CRT monitors have interchangeable VGA cables?

I got a bit of a curiosity question. While trying to use an old CRT monitor temporarily I noticed that the VGA cable has a short in it. (wiggle the cable and the picture cuts out). So I looked at the ...
8
votes
3answers
850 views

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 ...
4
votes
1answer
556 views

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 ...
1
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1answer
1k views

Energy efficient CRT, LCD, LED?

Not intended for subjective or argumentative replies but i wanted to know in order to save some electricity bills which monitor is going to be best bet. LED monitors are currently not available in ...
0
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2answers
348 views

Can “DVI-D out” sometimes provide a video signal to a 15-pin D-Sub VGA CRT via simple connector (or dongle)?

My motherboard (GIGABYTE GA-G41M-ES2H) has 3 video output ports # 1 x D-Sub port # 1 x DVI-D port (Note 3) # 1 x HDMI port (Note 3) The DVI-D port does not support D-Sub connection by ...
0
votes
1answer
1k views

How to make Ubuntu to detect my secondary (a CRT with a laptop) display?

How to make Ubuntu (10.10, today daily iso build) to detect my secondary display (a 18'' Dell CRT attached to a laptop with Intel 82852/855GM graphics)? Currently it "sees" only one "unknown" 0Hz ...
1
vote
2answers
563 views

What is the difference between X-inches diagonal, X-inches viewable, and the modern X-inch “class” in monitors and tv's?

I'm really dumbstruck by this one. I see it everywhere now, though. The last time I bought a monitor, a Samsung 1941BW, it was just 19-inches widescreen. Before that, LCD's, TV's, and CRT's where ...
0
votes
3answers
984 views

Given power info on a CRT monitor, how can I calculate power consumption (kWh)?

I have a Dell CRT Screen and the only info I have is this: AC input voltage: 90 to 264 VAC frequency: 50 or 60 Hz + 3Hz current: 1.5A max. (RMS) at 120 VAC; or 0.8A max. (RMS) at 220 VAC How can ...
0
votes
1answer
141 views

No display on CRT when I tried to increase the resolution

HI to all, My LG CRT monitor was running in 600 x 800 resolution, and when I tried to increase it The screen went blank and never returned till now..only sparking sound coming from inside the ...
5
votes
4answers
7k views

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 ...
4
votes
2answers
7k views

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 ...
5
votes
4answers
161 views

Are TFTs intended for brightly lit enviroments only? [closed]

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 ...
0
votes
2answers
126 views

Flickering Monitor

My CRT Monitor is flickering frequently. Can it be cured. Where can i approach for this issue. To Computer Repairing Person or TV repairing person. Is it possible to do it myself as i did in CPU ...
0
votes
3answers
427 views

My Philips CRT 19" 109p has all gone white, is the Tube dead?

I have a Philips Brilliance 109 p4 which I love very much. It was working great for the last 7-8 years I believe. Today when I started it, the screen is displayed all white. it ain't a computer ...
7
votes
5answers
925 views

Does subpixel rendering technology such as ClearType have any effect on CRT displays?

If I understood correctly, subpixel rendering was originally designed to improved anti-aliasing of text on LCD screens. It makes use of the fact that each pixel on a color LCD is actually a bunch of ...
1
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6answers
4k views

How can I “reset” my CRT monitor?

I have a clunky old CRT monitor as my main monitor (iiyama make) that I've messed around with previously - the screen is slanted, curved and has a "zoom effect" that makes things get thinner toward ...