Question about Samsung HL-S4266W 42" HDTV

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White and black spots on screen

I HAVE WHITE AND BLACK DEAD PIXELS ON MY SCREEN.

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  • skar23 May 11, 2010

    there are no crt's in this type of television - DLP is digital linear projection and uses a light engine

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  • Master
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Hi and welcome to fixya, it is the colour wheel problem,,,,,,,,,this is common problem please check it ...it may be also cathode ray tube... thank u.........

Posted on Jun 03, 2009

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2 Answers

Why is there two black spots in image on screen. Two round black circles. Not sure what it means and where they came from


1st make sure screen is clean. inspect when off. use only cloth slightly damp with water.
2nd make sure it is not the image by looking at another image or a blank white screen. Some test images will display each color.
if it is there on any image the pixels are dead. But being circles sounds more line screen cleaning

Sep 14, 2014 | Vtech InnoTab 2 - VTECH

Tip

Why the white or black spot on LCD Display


Dead and Stuck Pixels <br /> Pixel defects for an LCD monitor are defined as one of two types: dead or stuck. Technically, both types of pixel defects are stuck pixels but it really deals with the electrical currents and the state of each pixel or sub-pixel. <br /> A dead pixel is defined as a pixel or set of sub-pixels that has failed and is permanently in the off position. This condition means that the pixel will not let any light through. This can be observed as a dark or black spot on a brightly colored or white background. <br /> A stuck pixel is defined as a pixel or sub-pixel that has failed and is permanently in the on position. This can be either with a single or multiple sub-pixels for a given pixel and is best observed on a dark or black background. A white pixel means all three sub-pixels have failed while a green, red or blue pixel means one of the sub-pixels has failed. <br /> Hope this helps, if so do rate the Tip

on Jan 16, 2011 | Televison & Video

2 Answers

How do I fix dead ( not stuck) Pixels on my acer laptop? It appears like a smll hole in screen


You can't fix dead pixels, the transistor is faulty. This is indicated by black spots.

Stuck pixels remain a solid color other than white. This cane sometimes be fixed using software that flashes solid colors on the screen. Hot pixels remain solid white. this can be fixed in the same manner.

http://udpix.free.fr/
http://www.jscreenfix.com/

These are free software to fix stuck pixels.

Aug 12, 2014 | Acer Aspire Computers & Internet

1 Answer

Tiny black spot lcd


Erika, Do you mean you have a black spot on the LCD of your camera?
We call that a dead pixel. Can be black and can be white. Most LCD's sooner or later have a one or more dead pixel(s). As long as they are not in the centre of the screen you won't notice them. Even dead pixels on the camera sensor can happen. These you won't see at all, because the software does calculate what that pixel would look like in that specific shot. And the software will place a correct colour on that spot.
Try to live with the dead pixel(s). you won't see them on the actual pictures. Not on the computer to tablet and not on a print.

Dec 30, 2013 | GE Cameras

1 Answer

White on one side of screen with black spots and colored lines


You can use the following website to try and fix some of these pixels that are stuck on the wrong colors:
http://udpix.free.fr/

However, it may just be a defective screen. You may need to have it replaced under warranty (and this most definitely will be covered)

Jun 14, 2013 | Acer Computers & Internet

1 Answer

I have a white dot on my lcd computer screen when the screen is black but with the screen on other colour the dot is not significant . I just wonder what the consequence of this dot is?


Hi.

Basically the white dot is a dead pixel, this is common with LCD screens. You have nothing much to worry about unless the screen develops more dead pixels which could lead to a screen replacement although its highly unlikely.



Regards.

Jan 02, 2013 | Computers & Internet

1 Answer

My brand new LG 37' Led/Lcd t.v. had four very light white spots that you can see in the background what causes this?


Hello
Dead and Stuck Pixels
Pixel defects for an LCD monitor are defined as one of two types: dead or stuck. Technically, both types of pixel defects are stuck pixels but it really deals with the electrical currents and the state of each pixel or sub-pixel.
A dead pixel is defined as a pixel or set of sub-pixels that has failed and is permanently in the off position. This condition means that the pixel will not let any light through. This can be observed as a dark or black spot on a brightly colored or white background.
A stuck pixel is defined as a pixel or sub-pixel that has failed and is permanently in the on position. This can be either with a single or multiple sub-pixels for a given pixel and is best observed on a dark or black background. A white pixel means all three sub-pixels have failed while a green, red or blue pixel means one of the sub-pixels has failed.
Hope this helps, if so do rate the solution

Jan 16, 2011 | LG 37LC7D 37 in. LCD HDTV

1 Answer

I HAVE RED DOTS ALL OVER ANY BLACK COLOR OF THE PICTURE


Could be whats known as dead pixels, this is tested be showing up a black or white screen. Microsoft paint or word will do. If an area always has dots then dead pixel. However if it doesn't constantly remain a dot then, some-thing else. Dead pixels come about due to age.
A technician will be able to diagnose your problem by performing white screen test.

damnor01

Nov 17, 2010 | Acer AL1715 (Black, Silver) 17" LCD...

1 Answer

Black spots on screen in the top corner and bottem of screen


how big are the black spots? are they pixel size? i have one black spot too but its called a "dead pixel" when ya buy laptops these days, sometimes...they will have a dead pixel gaurentee for like 25 dollars, but i didnt choose that so now im stuck with one annoying dead pixel on my 5 thousand dollar laptop but im fine with it i guess. when my screen gets bad, im rich enough to just replace the whole screen anyway. dead pixels cant be fixed i dont think just replaced by the whole screen.

Dec 25, 2009 | Toshiba Computers & Internet

2 Answers

Black spots appeared on 17" LCD Monitor-SyncMaster740N


you might have what you call "dead pixels" or a "stuck pixel" try a simple test like this one now it is not the most creative one, but it does help to see if that is the case. u might be able to Fix a STUCK pixel, but unfortunately you can not fix a "DEAD pixel" simply because it is DEAD.
try this website for simple fix instructions.
if is dead pixel what you have, if u can live with it, great, if not , it might be a good reason to get yourself an another monitor.

Good luck

Jun 17, 2009 | Samsung SyncMaster 740N 17" LCD Monitor

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