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    Stuck Pixel?

    Discussion in 'Lenovo' started by Ataranea, Dec 1, 2007.

  1. Ataranea

    Ataranea Notebook Evangelist

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    How can i get rid of this one stuck pixel (its red when the screen is black), i have tried all those tricks but still to no avail. I have tried using that flashing program to no avail. Any other proven ways to do this??

    Thakns
     
  2. JabbaJabba

    JabbaJabba ThinkPad Facilitator

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    Sounds like a dead pixel to me - not stuck. Unfortunately I think you are out of luck, but I hope I am wrong.
     
  3. Thomas

    Thomas McLovin

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    I don't think it's dead. Have you tried massaging it gently?
     
  4. JabbaJabba

    JabbaJabba ThinkPad Facilitator

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    It seems you are right. Although, there is no guarantee that it can be massaged away. According to Wikipedia this is what it says on the topic:
    http://en.wikipedia.org/wiki/Dead_pixel

    Quote:

    Hot pixel

    A permanently lit (white) pixel is called a hot pixel. Hot pixels are usually best seen against a dark background. In digital photography a dark frame is sometimes used to allow correction for hot pixels.

    Dead pixel

    A dead pixel is a defective pixel that remains unlit.[3] Dead pixels are usually best seen against a white background.

    Stuck pixel

    A stuck pixel will usually be most visible against a black background, where it will appear red, green, blue, cyan magenta or yellow. Although continuously lit red, green, or blue pixels are the most common ones. Each pixel on an LCD monitor is composed of three subpixels, one red, one green, and one blue, which produce the visible color of the pixel by their relative brightness. A stuck pixel results from a manufacturing defect, which leaves one or more of these sub-pixels permanently turned on or off.

    Stuck pixels are not guaranteed to be correctable, and can remain faulty for the life of the monitor. A stuck pixel can be fixed with JScreenFix, a java based application that flashes numerous colors with a very rapid intensity.

    A video to help fix stuck pixels on the PlayStation Portable was so popular that a coder, Crait, released a homebrew application[4] for use on the PSP. Many similar applications have also been written for the Nintendo Game Boy Advance[5], and numerous programs are available for the PC.

    Stuck versus dead pixels

    Stuck pixels are often incorrectly referred to as dead pixels, which have a similar appearance. In a dead pixel, all three sub-pixels are permanently off, producing a permanently black pixel. Dead pixels can result from similar manufacturing anomalies as stuck pixels, but may also occur from a non-functioning transistor resulting in complete lack of power to the pixel. Dead pixels are much less likely to correct themselves over time or repaired through any of several popular methods.

    Stuck pixels, unlike dead pixels, have been reported[citation needed] to disappear, and there are several popular methods purported to fix[6] them, such as gently rubbing the screen (in an attempt to reset the pixel), cycling the color value of the stuck pixel rapidly (in other words, flashing bright colors on the screen,) or simply tolerating the stuck pixel until it disappears (which can take anywhere from a day to years.)
     
  5. Ataranea

    Ataranea Notebook Evangelist

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    yeah i tried using that jscreenfix prog...but it wont start. i think it might something wrong with my java app. does that prog work for vista?
     
  6. bmwrob

    bmwrob Notebook Virtuoso

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  7. panteedropper

    panteedropper Notebook Deity

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    If I got a dead/stuck pixel outta the box I would send it back ASAP.
     
  8. JabbaJabba

    JabbaJabba ThinkPad Facilitator

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    That will most likely not do the OP any good, as Lenovo (just as most other notebook manufacturers) has a defective pixel policy:

    http://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=MIGR-4U9P53

    I am yet to hear of a manufacturer who will replace your screen or notebook based on 1 defective pixel - unless you have purchased a "zero defective pixel guarantee/insurance".
     
  9. optomos

    optomos Notebook Evangelist

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  10. braddd

    braddd Notebook Deity

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  11. klhguy

    klhguy Notebook Guru

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    I ordered T61p yesterday.
    And now I am worry about this issues.
    Dead pixel, stuck pixel....
    Really stressful issues.
     
  12. SpacemanSpiff

    SpacemanSpiff Everything in Moderation

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    klhguy: Yeah, well, it happens.

    But on the two "modern" notebooks I've owned, plus the two LCD monitors I've bought, none have had a bad pixel.

    And at work, of the three LCD monitors I've used, only one has had a bad pixel.

    You may be lucky.
     
  13. klhguy

    klhguy Notebook Guru

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    Sounds good.
    Thank you SpacemanSpiff.
    That sounds relieve my stress~!
    And really hope so.
     
  14. eyecon82

    eyecon82 Notebook Deity

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    jabbajabba, a dead pixel is one that is black...so on a white background, it is black...it is dead

    any other color indicates a stuck pixel...especially a red since it is a primary color

    I had 1 stuck pixel in the smack dab middle of my screen...

    this is what i did to remove it: i took my treo stylus tip and a tissue paper...put the tissue over the spot and pointed in my stylus EXACTLY on the stuck pixel..i pressed hard....but not too hard as to puncture the screen....but you don't want to press too softly either

    make sure you are actually pressing the stuck pixel and not its neighbors...for this to occur...your screen must be on

    it took almost a half hour worth of pressing for it to go away....

    it appeared again a hour later....did the process again...however, it only took 1 min or so of pressing for it to go away.....it intermittently appeared and disappeared over the next week or so but after that it was gone for ever...haven't ever seen it since..

    hope this helps


    edit: I also noticed that it appeared and disappeared by the angle of my screen...but in a week or so it finally went away permanently

    also...the time of 'pressing' gets exponentially smaller and smaller during each reoccurance...first time it took me a half hour..next time a few mins...next time 30 seconds...and onto only just flicking the screen once with the back of my nail
     
  15. JabbaJabba

    JabbaJabba ThinkPad Facilitator

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    I am aware of this now. If you read my second post in this thread, you will see that we speak the same language. But thanks for the heads up anyway.
     
  16. eyecon82

    eyecon82 Notebook Deity

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    sorry..i skimmed over that really quick...glad to see we're on the same wavelength ;)
     
  17. alchemy

    alchemy Notebook Consultant

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    To the original poster: My T61 shipped with a red stuck pixel. Tried all the programs, running for hours, with no success. Also tried rubbing it out, etc. (PS - The one program you cannot run in Explorer, try running it in Firefox. I had the same experience).

    As I bought the PC at a retailer and called them about the stuck pixel not two hours later, I convinced them to replace the screen even though warranty only calls for a replacement if there are like 8 or more.

    Since red stuck pixels only really show up on a black background, while I waited for the new panel to come in, I switched my PC background to blue. By the time the call came for me to bring the laptop for repair, I'd basically stopped even noticing the pixel (especially since, background aside, how many applications actually have a black screen.

    Was a bit nervous about replacement because I'd read about inconsistent quality in some screens (LG vs. Samsung). Ultimately, the new screen was fine but the technicians did not re-seal the bezel very well and I ended up using a bit of glue myself to clamp it down.

    Ultimately, after the initial obsession with the pixel went away (via background color change from black to any other color), I would have been just as happy, or more so, if I'd left things as they were.

    Just my unrequested two cents that may put your mind at ease.

    (Be great if these things shipped 100% without these issues but not always the case. My T61, even with a bezel glue-job, is otherwise spectacular).