Questions tagged [crt]

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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89 views

haproxy can't find crt bundle for wildcard pem

I have a problem with the Haproxy. We have an old Haproxy in use and the certificates will expire soon. Now I'm creating a new container with the Haproxy 2.2.4. I also created the configuration file (...
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2answers
92 views

Optimal settings for easing eye strain with an old CRT monitor

My problem I usually use an LCD monitor and have been for quite a long time. Suddenly yesterday my LCD monitor starting displaying all negative or inverted color images and is useless. For various ...
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186 views

How to use an iMac G3 as an external monitor?

I've read that the tray-loading iMac G3's CRT display is connected to the circuit board with a simple plug. Can I unplug the CRT from the computer part and use the iMac G3 as an external monitor? How ...
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246 views

How long should an LED Backlit LCD monitor last?, and why should I choose it as an instance of a CRT monitor? [closed]

How long should my new LED Backlit LCD monitor last?, and what will happen once it reaches it's lifespan? And how long should I change my monitor? (1 year? , 6 years? ,etc...)? And thank you guys!
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62 views

CRT Monitor Screen is Blurry for 15 minutes of starting the PC

I have a CRT Monitor that was working properly, a day ago, we had a storm and I didn't notice that I didn't close the door properly (which has the PC next to it), when I returned I checked if ...
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1answer
462 views

Setting up Ubuntu-Server with intel GPU for custom resolution

Short Version: How can I disable the DisplayPort and display-cloning completely and only use VGA with a custom resolution of 1920x240 (15KHz) on a CRT. Might involve the creation of a custom xorg.conf ...
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1answer
45 views

Mac Mini CRT support

I have two 1600 x 1200 VGA CRTs. I've tried hooking them up to my Late 2014 Mac Mini, but the native resolution is not detected on either of them. One will not go higher than 1280 x 1024. Is there a ...
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40 views

Force macOS desktop to conform to a 4:3 ratio while still sending 720x480p over HDMI

I've been asking everywhere, but there doesn't seem to be a solution for this. When I send 720x480 to my CRT, there is about 40 pixels of underscan on each side, obviously because the TV is a 4:3 ...
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896 views

Slightly wrong monitor refresh rate on ubuntu with open source drivers

So, in the quest for the lowest latency in retrogaming, I installed Ubuntu 18.04 on a usb pendrive with the aim to use Retroarch in KMS mode. I have an old Radeon HD 6370M so the only option was the ...
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74 views

HDMI to Component Conversion

Im not sure if this is the best place to post a question like this, but I am not sure where else too. I am trying to play a BluRay on an older CRT projector. The highest quality input on the ...
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1answer
175 views

Windows 8 font rendering looks weird on CRT monitor

I am using a CRT monitor, for various reasons... But I am having a particular problem: some smaller text is being rendered in a very bizarre manner, for example the "C" on the first line of this text, ...
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23 views

EVGA gtx960 Super AC 2.0 - Wrong colour pallette while using CRT monitor and DVI-i to VGA Adapter

I'm experiencing a weird issue where my monitor, an old 19" CRT basically show close to no green levels. The monitor works flawlessly on another computer and I have tried 2 DVI-I to VGA connectors (...
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1answer
384 views

CRT screen with no image and - maybe - with missing pins on its connector

I have a Samsung SyncMaster 753DFX crt screen .. When its cable not connected to computer I get the normal message on it - no data check the cable - But when I plug the connector in computer I get ...
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7answers
17k 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 ...
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2answers
572 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 ...
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1answer
252 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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1answer
141 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 ...
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2answers
6k 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 ...
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5answers
21k views

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
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3answers
15k 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 ...
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1answer
3k 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 ...
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1answer
2k 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 ...
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1answer
142 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 ...
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1answer
494 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 DualView ...
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2answers
2k 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 ...
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1answer
1k 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 ...
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2answers
3k 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
5k 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 economical ...
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4answers
41k 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 ...
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2answers
76k 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 ...
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1answer
4k 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 ...
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3answers
4k 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 ...
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2answers
3k 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 ...
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1answer
2k 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 ...
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2answers
412 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 ...
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1answer
2k 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 ...
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2answers
1k 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 ...
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3answers
2k 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 ...
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1answer
170 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 monitor.....
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4answers
19k 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 ...
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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 ...
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4answers
180 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 ...
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2answers
171 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 ...
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3answers
504 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 ...
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4answers
3k views

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 ...
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6answers
11k 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 ...