Question about Hitachi 50V500 50 in. HD-Ready LCD Television

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Dead pixel I have what looks like 1 dead pixel on my screen is this repairable ?

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No. Research at www.HitachiServiceUSA.com by your model.

Posted on Dec 04, 2007

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1 Answer

Dead pixel repair


Hi Tasha,
Unfortunately, repairs at the "pixel level" are not possible. The display is an "all or nothing" type of repair (I'm not talking about the back lights and support electronics - I'm *only* talking about the display screen). That means that the entire screen is replaced if there are to many dead pixels. (Most screens have dead pixels - manufacturers limit the number of dead pixels on a screen that can be assembled to a TV). If it the Quality Assurance people in the factory find a number of dead pixels that is less than a certain amount - it is "good" and ships. If it is more - it is scrapped.

Generally, your options are: live with it, replace the screen or buy a new TV.

Jul 17, 2013 | Samsung UE40B7020 40 in. LED TV

1 Answer

How can you fix dead pixel?


FIXING DEAD PIXELS These WEB site gives instruction on removing dead pixels, but there is no guarantee it will work except replacing the LCD screen.
http://www.makeuseof.com/tag/best-software-solutions-to-fix-a-stuck-pixel-on-your-lcd-monitor/
http://komku.blogspot.com.au/2008/03/dead-pixel-on-your-laptop-screen-how-to.html

Nov 27, 2012 | Computers & Internet

1 Answer

I have a red dot on the screen. I tink its a dead pixel? Can this be repaired?


Hi!
There are 2 ways you can try to fix dead pixel: Try online tool like http://www.jscreenfix.com/basic.php
OR
Try this quick guide to fix dead pixels
  1. Turn off your monitor.
  2. Get yourself a damp cloth, so that you won't scratch the screen.
  3. Apply pressure to the area where the stuck pixel is. Try not to put pressure anywhere else, as this may trigger the creation of more stuck pixels.
  4. While applying pressure, turn on your computer and screen.
  5. Remove pressure and the stuck pixel should be gone.
If none of these works, than you can't do anything with it.
Hope it helps

Jul 12, 2011 | HP w1907 LCD Monitor

3 Answers

Dead pixel


your stuck with the dead pixel unfortunately unless you install a new lcd but its not really worth doing on an older machine

May 15, 2011 | IBM ThinkPad T42p: T42p Pentium M 1.8GHZ,...

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Hi , 2 weeks ago i noticed some dead pixels showing up on my screen (white dots) since then i'm up to 10 dead pixels. What can i do? I heard it might be the dlp projector that has to be replaced...


White pixels are STUCK pixels, not dead. Read the warranty beacuse at a certain number of stuck/dead pixels, the tv is repaired for free by the seller if is in warranty period.

Nov 02, 2010 | Samsung HL-S5686W 56" HDTV

1 Answer

What does it mean by dead cells?


I assume this is related to your LCD monitor.
I think you mean dead pixels. The LCD monitor has tiny pixel elements, one for each red, blue, green color and each one of these colored pixels are turnes on by a transistor. When a transistor fails then the colored pixel it controls does not light up. This is a dead pixel and it shows up as a tiny black dot.
If the screen displays a blue screen, a dead blue pixel will appear as a tiny black dot in the blue screen.
You normally would not notice a few dead pixels unless they are grouped together.

Sep 20, 2010 | Hanns.G Corporation HW191D 19" LCD Monitor

1 Answer

There is a spot light on the screen of my laptop


If you mean there is a white "dead pixel" on your screen, this is a common fault, modern screens are getting much better, but you still find the odd dead pixel on lots of screens.
There are some companies advertising that they can repair them, but they usually mean they can repair a stuck pixel.
If you google stuck or dead pixel there is lots on info there.
If this is not your problem, please write back

Jul 11, 2010 | Computers & Internet

1 Answer

Blue vertical line


The lines appearing on your LCD means it has a defect on the screen.

There are 3 types of pixel defect
1) dead pixel - pixel is always off
2) stuck pixel - pixel is always on
3) hot pixel - pixel is on but in red, green, blue or yellow, can also be a light black color

You can try to fix stuck or hot pixels but dead is dead.
1st method, flashing different colors rapidly:
JSScreenfix.com has a great tool. This is their free java applet or you can download it below.

2nd method, applying pressure to pixel:
Damp paper towel, Small stylus or dull pencil.

3rd method, tapping the pixel:
Pen with cover on or another small, blunt object.


If your laptop is still under warranty, get it replaced. If not you are looking at the most expensive part in a laptop to get replaced. (LCD screens on laptop is roughly equivalent to 40-60% of the total laptop cost

Please rate this if it this helps.

Jun 05, 2009 | Compaq Presario M2000 Notebook

1 Answer

Dead pixel


One trick that might work is to use your finger nail or a pop sickle stick to massage the screen in the area of the dead pixel. Has worked about 1/2 the times that I have tried it.
Hope this helps!
Ron

Dec 14, 2008 | Acer TravelMate 2300 Notebook

1 Answer

Toshiba regza lcd 46x3500


This is what is known as a dead pixel. If you have a standard wide screen lcd monitor it has over 1 million pixels. It is not super un-common for one to go bad. It will either always be dark or in your case always be lit. It is not worth it to repair, and in most cases unless you have multiple dead pixels with in a square inch of screen, it is not covered under warranty either.
Each pixel is individual and the problem will most likely not spread.

Jul 08, 2008 | Televison & Video

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