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Questions tagged [lcd]

Liquid crystal display; the type of display panel used in almost all computer monitors today.

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Is it safe leaving monitors turned on (stand by) or could it harm the devices

I was wondering if I could leave my monitors turned on after I’ve turned off my pc, here are some other questions I had: Does the yellow status LED always suggest the monitor is in standby mode? ...
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6 views

How is pixmap/raster data physically transfered to an LCD monitor

Here's what I think I know: All data is 1's and 0s, it's up to the OS to determine how these are interpreted (through agreed-upon encoding schemes built into the OS, text, image or otherwise). An ...
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44 views

Monitors leaking liquid Crystal fluid / mercury [duplicate]

For months I have been extremely worried about what I'm trying to explain in the best possible way ... I own two monitors (one with LED backlight and one with mercury-containing fluorescent tube) and ...
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1answer
32 views

What are 10bit displays worth with all sources being saved in 8bit format [duplicate]

From what I know all images you can create with RGB are 24 bit (8 bit per channel). There are new 10 bit monitors coming into daylight these days. What is their advantage over 8 bit, if all (or ...
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1answer
68 views

Weird green lines on black parts of LCD monitor

I found this LCD monitor, it was soaked in rain, so I had to disassemble it, dry it and reassemble it. It worked perfectly fine, so I stored it safely. I took it out today, hooked it up to my PC and ...
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21 views

Water on LCD(with LED back-light)screen of monitor

Water got spilled accidentally on lcd screen of monitor while the PC was 'ON' .Is the top layer of lcd screen 'permeable'?Thanks
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9 views

Asus monitor displays orange screen

I have a barely 5 year old Asus PA279Q monitor. It suddenly displays orange screen after I wake it up from sleeping. At first, I thought it was my PC, but when troubleshooting, I figured it was my ...
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47 views

How to open LCD monitor on Toshiba Tecra A50-C-1H7?

Some small insect got into the monitor on my laptop and I'd like to get rid of it, as it really bothers me to have a black spot on the monitor. The problem is, I have no idea if it's even possible to ...
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170 views

Laptop screen grey, works with external monitor

Two years ago the screen on my Sony Vaio SVS13A190S suddenly stopped working correctly. It displays only grey vertical lines. However, it works perfectly fine with an external monitor. I don't know ...
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1answer
21 views

Laptop LCD flickers on one side

I have a Thinkpad T440s with an AUO IPS 1920x1080 screen which I fitted myself a few years ago (as the laptop fitted with an inferior LG model). Often about a third of the screen on the far left will ...
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1answer
171 views

HP ZR2740W - no display, cause identified, how to fix it?

One day on this monitor picture went black and did not come back until I disassembled it and simply reseated the LVDS (??? I know Laptops have LVDS ribbon, is this cable the same sans form?) cable - ...
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18 views

Brightness flickering - AC plugged in - Lenovo G50-30, Celeron N2830

When the power supply is plugged in, my laptop screen(brightness) flickers - it looks as if every 1/5 of a second the screen changed brightness, say about 2% - it is a very subtle change but very ...
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127 views

Asus ROG G750XJ not turning on after LCD screen replacement

Hope someone can answer my question to this particular problem. I have a Asus ROG G750XJ which needed it's LCD screen replaced due to it being cracked. Long story short, I removed the damaged screen,...
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18 views

Confused about the correct replacement lcd screen for my laptop

I am trying to replace the lcd screen on my Dell Latitude 6430u (the reason for the need to replace it is here) I'm having a problem finding the correct replacement. On Dell's website I find that the ...
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56 views

Laptop display go instantly in sleep mode

I coming with such a... weird problem? Yesterday my dad worked fine on his laptop (Toshiba Satellite L500). All was just fine, at 0am he found that display turned black. Ok what I've done - I found ...
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52 views

several vertical lines of defective pixels

I have some vertical lines of malfunctioning pixels, as shown in the image in the link at the bottom. They are not black so according to the internet that means they are "stuck" and not "dead". I ...
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0answers
65 views

Partial dicolouring of Laptop IPS display

I have this strange discolouring of my laptop screen. It does not affect the entire screen, is rather "spot-like" and has a yellow, brown and blue colour. It gradually began about one year ago and ...
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332 views

Lcd controller M.NT68676.2 Blank screen

Hello and excuse my ignorance on the matter. So i have a M.NT68676.2 LCD contoller and an LP156WH4 LG laptop screen. When i connect the controller to the screen it turns on , even wake up from stand ...
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1answer
65 views

Screen error of missing lines and blurred fonts in Win7?

I want to have Windows 7 running on a 1440p LCD with AMD 7850 DVI, and 1/3 horizontal lines are completely invisible. I have adjusted ClearType many times, changed the DPI to different settings, and ...
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11answers
20k views

What sense does it make for “sharpness” to be adjustable on a monitor?

Modern monitors often have a "sharpness" setting. But I don't really understand how it makes sense for such a setting to exist. The software asks the monitor to display a particular pattern of 32-...
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25 views

Dell (d630) Laptop Display Still Dims to near-black after replacing inverter

My Dell Latitude D630 has a screen which recently dims to almost black after only a few seconds. The image is there, but the backlight appears to die. However.... If I close the lid, and open it, I ...
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2answers
220 views

Dark spot on laptop screen

Several weeks ago a darker spot appeared on my screen (as seen in the attached picture, it's right under the "Super User" tab) and it looks as if there was some liquid behind the screen. When I ...
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2answers
4k views

Reduce blue light on LCD monitor

My work LCD monitor has four settings for Color: warm (5000K) standard (6500K) cool (9300K) custom (each of the RGB values can be chosen separately) What is the setting that could reduce at most ...
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69 views

A dark shadow appears on my laptop's LCD display after I turn it on

A shadow appears on the bottom of my laptop's display, after I turn it on. I don't know if pressing around aso. applies to my issue and I don't want to damage it further, initially it works. The ...
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54 views

Fool proof way to check Flat Panel - Monitor/ Screen/ TV for 4:4:4 Chrome Sub Sampling support?

Some Wiki & other information about it: https://en.wikipedia.org/wiki/Chroma_subsampling#4:4:4 http://www.rtings.com/tv/learn/chroma-subsampling - Better explanation. (Quoted below) ...
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254 views

LCD Laptop display with wrong colors, pink over the black

My default background color of my Home screen is black. But it draws pink lines or last white opened screen. Also it draws what looks like green filter over the whole screen. Black Homescreen with ...
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0answers
26 views

How can I re-size all display output on a MacBook with letterboxing/mattes, to avoid dead edges of the LCD?

Context My MacBook pro's LCD is damaged. Warranty support and replacement purchase are, at least for several months, impossible for me. The damage is very specific: only the left vertical 1" (around ...
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0answers
16 views

Are the LCD panels sold with digitizes on top any more fragile than those without?

So I cracked the digitizer on my HP envy 13.3" and it no longer responds to touch... traumatic but windows 10 is still just as usable/unusable without touch for me (the touch functionality is not ...
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1answer
134 views

Cyan,Magenta,and Yellow are displayed using 2 subpixels.Red,Green,and Blue only light one for each.How come C,M,Y don't look much brighter than R,G,B? [closed]

LCD screens have pixels that consist of 3 sub-pixels: red, green, and blue. The colors red, green, and blue are made with only one color. The colors yellow (red + green), magenta (red + blue), and ...
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0answers
62 views

Would appreciate help on how to identify a burnt component on Asus X555UJ

I would appreciate help on how to identify a burnt component on Asus X555UJ On ACTUAL Motherboard : X555UJ Rev 2.0 . but Casing says :X555UA DM059T. Burnt component on Asus X555UJ : ( Wider Area ) : ...
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0answers
270 views

Weird Lines on Monitor Scrolling by - Interference?

I have a LCD VGA connected monitor attached to my desktop computer. It works great. So, in the same room, on a different outlet and on the other side of the room, I plugged in a power-strip. Now my ...
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62 views

BenQ GL2055 display shifted off screen

I recently picked up a BenQ GL2055 at a yard sale. The monitor displays computers BIOS's fine as well as Hirens Boot CD, but when plugged into my PC the image is shifted about 3" to the left and 1" ...
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0answers
123 views

How to restore default Dell laptop screen brightness level?

Ubuntu 16.04 on Dell Inspiron laptop. Laptop screen brightness somehow abruptly diminished, I can adjust it manually via System settings > Brightness & Lock, though. But what is the default ...
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85 views

Samsung LCD screen flickering and inverted color

There is a DVD disc that stuck inside the optical drive, and the optical drive cannot be opened. After doing some tricks to eject it out, the disc somehow pushed & attached itself inside. But ...
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1answer
54 views

What does it mean when the native resolution of a display is NOT the highest resolution?

For most displays that I had the native resolution was the highest supported resolution. However I have one display that has a different native resolution from the maximum one. Does that mean that the ...
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2answers
279 views

ThinkPad X300 - no backlight issue

I got a ThinkPad X300 on a flee market, it's great but there is one problem - the screen is extremely dark because the backlight doesn't turn on. I removed the ThinkPads screen frame cover and took ...
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0answers
58 views

How does display (LCD/LED) connects to system bus?

The problem arose for me when I realized that the Laptops/PCs use two GPUs (one of them is an On-Chip low-performance and the other is an external high-performance GPU), and switch between these two ...
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2answers
2k views

What are these LCD defects if not dead pixels?

Over the past weeks, a line of black/turquoise pixels has appeared on the left of the LCD screen of my 2-year old Lenovo laptop, and has slowly spread into the stain photographed below. However, it ...
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1answer
393 views

Wrong colors on LCD connected to thin mini ITX

So, basically I have a 15.6" LCD panel and I've hooked it up to a motherboard's LVDS header. Everything is kind of working - image is there, but its colors are strange. I tested the panel with pure ...
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0answers
126 views

my laptop screen showing horizontal lines

I have horizontal bands on the top and bottom of my Dell Precision laptop screen. How do I make it go away?
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1answer
597 views

Horizontal pixelated lines on my Laptop LCD screen

This started 3 months ago. At first there was only one horizontal pixelated line on the top. Now, there is one at the bottom. Below the bottom line I can see some of the top portion of my display (I ...
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0answers
67 views

Which pins do I need to connect on a DVI to make the screen stay on?

I have an LCD panel screen with a broken LCD. However, my mother would like to have the backlight to use as a light box - for her art. This is ideal - it's an excellent size but it has a ...
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0answers
62 views

LCD laptop display is greyed out on startup

I have just a small display problem with my laptop (HP Elitebook 8440p) running on Debian 8. Whenever the computer is booting up from sleep, my screen will either be flashing pixels everywhere, or be ...
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0answers
95 views

LCD overheating- not inverter [closed]

A friend's laptop just developed a very odd issue: she was using it normally when she smelled a burning smell (typical electronic burning smell, but more plasticy). Closer inspection revealed it was ...
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1answer
2k views

Sony Vaio Duo 11 SVD1121X9EB liquid in lcd screen

The screen of my sony convertible ultrabook shows some strange shape in the lower left corner for a while which is making the screen seem a bit transparent and is gradually growing (a few mm a week). ...
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0answers
64 views

Dell inspiron LCD image failure

Hi i have problem with: Dell Model: INSPIRON 17R Model No: 7010-3662 Problem is that my LCD monitor is showing green color instead of black. I tried to use external monitor connected ...
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0answers
797 views

LCD controller board showing image four times

I had a broken laptop and I wanted to take advantage of his screen, so I disassembled it and noticed that the display is a Quanta QD15TL07: So I found this controller board on eBay: http://r.ebay.com/...
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1answer
81 views

LCD Screen laggy and ghosting following water damage - what to do now

A friend of mind spilled water on his screen. After letting it dry out for a few days, we turned it on. Turns out, the screen is damaged and is now laggy and there is a trail whenever any motion ...
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1answer
99 views

How to objectively test LCD for very slight “blurriness” (and prove it is not just my imagination)?

In this question, I keep "re-imagining" that the LCD panel is slightly blurry or causing me eye strain. The cause might be a tiny deviation in any number of things: voltage, timing, dithering, ...
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1answer
387 views

Are amoled High Resolution displays compatible with arduino?

I was wondering if I can hook up a high resolution amoled display such as this one to an arduino microcontroller?