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How to get rid of stuck pixels

post #1 of 8
12/28/05 at 12:10pm
Thread Starter 
I have about 3 stuck pixels on my 9300 WUXGA LCD.

How do I get rid of them besides returning the LCD.

Thanks
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post #2 of 8
12/28/05 at 3:32pm
google stuck pixel fixer, there are also a number a programs that give you an epileptic seizure if you look at them for too long, but they seem to work, sometimes, if at all.
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post #3 of 8
12/28/05 at 3:40pm
ive never has any luck firsrhand with stuck pixels. In my opinion, they just cant be fixed...
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post #4 of 8
12/28/05 at 4:52pm
i read a tutorial once for fixing stuck pixels on any lcd, it said that you should run one of those crazy videos for about 30 minutes, if that doesnt do it, run the video and rub the spot (with a clean napkin or cloth) until you see something changing.

I tried that with my lcd that had around 10 stuck pixels in the same area, and i was able to get rid of all but one of those pests, try that method out, it might work. (make sure you dont rub your LCD too hard tho)
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post #5 of 8
12/28/05 at 5:02pm
Try a gentle massage with a moistened Q-Tip.
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post #6 of 8
12/28/05 at 5:33pm
I had a stuck pixel that I was able to massage out with my thumb. I just started rubbing in a circle and then started pulling away from the spot with my thumb repeatedly and eventually it went away. Froze once again after that but I was able to correct it the same way and it has stayed good for about 2-3 months now.
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post #7 of 8
12/28/05 at 8:23pm
This is what dell reckons you should do:

Quote:
Note: The following step is performed to verify whether the symptom is affected by the movement of the LCD.

STEP 1: Determine if the LCD symptoms are affected by movement.

Note if there are any change in the symptom or an increased frequency of occurrence of the symptom when doing the following:

- Swivel the LCD back and forth.
- Lightly tap the LCD back plastics (top plastics).
- Gently apply pressure on the bezel surrounding the screen.
- Gently apply pressure above the keyboard near the LED?s and power button.


Note: The following step is performed to test the display.

STEP 2: Launch the Pre-boot System Assessment (PSA) for LCD.

To launch the PSA, perform the following steps:

a)Press and hold any non-keyboard button such as the Access Direct button, the Internet hotkey, or the speaker mute button above the keyboard, then press the Power button to power the computer on.

NOTE: For systems without non-keyboard keys, press and hold the <Fn> key while powering on the computer.

b)Release both buttons
c)The PSA diagnostics sequence begins.
d)After approximately 30 seconds, a number of alert tones sound.
e)Press <Fn> and <F8> keys to toggle video to an external monitor, if applicable.
NOTE: If you still have no video upon hearing these tones, the system completed POST; however the problem is No Video. After the alert tones, you should hear a number of low beeps signifying an error code. Document this error code.

Note: The following step is performed to verify whether the video card in the system is functioning accordingly.


STEP 3: Attach an external monitor to the system.

To properly attach an external monitor, perform these steps:

a)Shutdown the system and make sure that the external monitor is turned off.
b)Connect the external monitor to the video port on the back of the unit and verify that the monitor is connected to a power source.
c)Turn on the external monitor.
d)Turn on the system.
e)Wait until the Windows. operating system is fully loaded so that the video driver can properly initialize the added device.
f)Compare both displays and look for the symptoms on the external monitor.

NOTE: If there is no video on the monitor, press <FN>+<F8> to try to toggle the video.

STEP 4: Clean the LCD.

CAUTION: Isopropyl Alcohol is a flammable liquid.

Never spray or pour any liquid directly on the LCD panel.
Do not clean the screen while the system is on.

a)Shut down the computer.
b)Disconnect power to the system or monitor.
c)Wipe the LCD screen gently with a soft dry cloth.
d)If any marks remain, moisten the cloth with LCD cleaner, and then gently stroke the cloth across the display in one direction, moving from the top of the display to the bottom.

NOTICE: Do not use any of the following chemicals or any solutions that contain them: Acetone, ethyl alcohol, toluene, ethyl acid, ammonia, or methyl chloride. If you have a different chemical or solution and are not sure whether it is suitable, do not use it. Using any of the chemicals in the previous list may cause permanent damage to the LCD screen. Some commercial window cleaners contain ammonia and are therefore unacceptable.

Be sure the LCD screen is dry before closing it or using the computer.

NOTE: There are many cleaning solutions sold specifically as LCD cleaners. You can use these to clean LCD screens on Dell LCD?s. Alternately, you may use a 50/50 isopropyl alcohol and water mixture. Micro fiber cloths such as those used to clean eyeglasses are excellent for use with LCD?s.


STEP 5: Rub the flat panel monitor on the area containing the bad pixel.

a)Most bad pixels, whether white, black, or discolored, can be fixed by rubbing the panel.
b)Locate the bad pixel.
c)Using a clean, soft cloth, lightly tap the flat panel pixel.
d)Apply light pressure using the cloth to the pixel and rub in a circular motion around the pixel.


Please provide the following feedback.

1)Determine if the LCD is cracked or damaged.
2)Was the similar issue visible during PSA?
3)Was the similar issue visible on the external monitor as well?
4)How many dead pixels are still noticeable after you have completed performing all the steps above?
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post #8 of 8
12/28/05 at 8:28pm
the vid and rubbing mine didnt work. i got a new lcd shipped to me cuz it was annoying as hell.
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