If you liked this instructable, then you'll probably like the other things on my site here... Voiding Warranties
UPDATE: This Instructable was on Engadget! http://www.engadget.com/2007/12/24/how-to-guide-details-fix-for-stuck-pixels/
I am going to show you how to fix a stuck pixel on your LCD monitor. Stuck pixels are really annoying and just plain look bad. Over the past few years I have had to fix SO many stuck pixels. It's not that hard to do and usually only takes a couple of minutes. Enjoy!
This will only work on LCD monitors, but this includes computer LCD monitors, laptop screens, cameras (the screen might have a hard protective shield over it that you will have to take off), and hand-held systems (will most likely have a hard protective shield). Does anybody know if this will work with an OLED screen? I think that it will, but I'm not positive.
Note: This will only fix stuck pixels. Not dead pixels or hot pixels. A dead pixel is when the pixel is always off. It is easiest to spot a dead pixel against a white background. The pixel will appear to be non existent. It will look darker than the stuck pixel in the image below. A hot pixel is when the pixel is always on. It is easiest to see against a dark background. The pixel will be bright white. A stuck pixel will usually the red, green, blue or yellow, but can also be a light black color (pictured below). A stuck pixel is caused by a manufacturing defect in which it leaves one or more sub-pixels permanently turned on or off.
By the way, the picture that I took is a bad example of a stuck pixel. Because it is black, one might think that it is actually a dead pixel but it is not. It just so happened that all of the sub-pixels in that pixel were permanently turned off. The next time I see a dead pixel on a computer that isn't black, I will update the picture because the current one is a bad example.
PS: This is my first Instructable so please be nice. :)
UPDATE: This Instructable was on Engadget! http://www.engadget.com/2007/12/24/how-to-guide-details-fix-for-stuck-pixels/
I am going to show you how to fix a stuck pixel on your LCD monitor. Stuck pixels are really annoying and just plain look bad. Over the past few years I have had to fix SO many stuck pixels. It's not that hard to do and usually only takes a couple of minutes. Enjoy!
This will only work on LCD monitors, but this includes computer LCD monitors, laptop screens, cameras (the screen might have a hard protective shield over it that you will have to take off), and hand-held systems (will most likely have a hard protective shield). Does anybody know if this will work with an OLED screen? I think that it will, but I'm not positive.
Note: This will only fix stuck pixels. Not dead pixels or hot pixels. A dead pixel is when the pixel is always off. It is easiest to spot a dead pixel against a white background. The pixel will appear to be non existent. It will look darker than the stuck pixel in the image below. A hot pixel is when the pixel is always on. It is easiest to see against a dark background. The pixel will be bright white. A stuck pixel will usually the red, green, blue or yellow, but can also be a light black color (pictured below). A stuck pixel is caused by a manufacturing defect in which it leaves one or more sub-pixels permanently turned on or off.
By the way, the picture that I took is a bad example of a stuck pixel. Because it is black, one might think that it is actually a dead pixel but it is not. It just so happened that all of the sub-pixels in that pixel were permanently turned off. The next time I see a dead pixel on a computer that isn't black, I will update the picture because the current one is a bad example.
PS: This is my first Instructable so please be nice. :)
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Signing UpStep 1: Materials
There are three different methods that I know on how to fix a stuck pixel. Here are the materials you will need for each.
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. (I used an odd looking stylus from a board game)
3rd method, tapping the pixel:
Pen with cover on or another small, blunt object. (I used the back of the same stylus)
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. (I used an odd looking stylus from a board game)
3rd method, tapping the pixel:
Pen with cover on or another small, blunt object. (I used the back of the same stylus)
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@color 90
@color C0
@color A0
@color F0
@color 00
@goto A
much better colors, light blue, light red, light green, white, black, and repeat. This will use quite a bit of cpu because it is an endless loop executing as fast as the cpu can command it.
GO APPLE
After a few weeks it got slow, then snowballed over a few months until it completley crashed giving me "disk read errors".
BTW Ubuntu works fine and dosent give me errors, but I cant use it 'cos my wifi adapter isn't compatible. :(
Here is a photo with my blue stuck pixel. Hope is useful...
Blue stuck pixel photo
:A
@set /a tx=%RANDOM% %% 16
@if %tx% LSS 10 (@set x=%tx%) ELSE if %tx% EQU 10 (@set x=A) ELSE if %tx% EQU 11 (@set x=B) ELSE if %tx% EQU 12 (@set x=C) ELSE if %tx% EQU 13 (@set x=D) ELSE if %tx% EQU 14 (@set x=E) ELSE if %tx% EQU 15 (@set x=F )
@set /a ty=%RANDOM% %% 16
@if %ty% LSS 10 (@set y=%ty%) ELSE if %ty% EQU 10 (@set y=A) ELSE if %ty% EQU 11 (@set y=B) ELSE if %ty% EQU 12 (@set y=C) ELSE if %ty% EQU 13 (@set y=D) ELSE if %ty% EQU 14 (@set y=E) ELSE if %ty% EQU 15 (@set y=F )
@color %x%%y%
@goto A
I did modify a script to give a similar effect, though (comments from original):
#!/usr/bin/perl
# $XTermId: 256colors.pl,v 1.3 2006/09/29 21:49:03 tom Exp $
# $XFree86: xc/programs/xterm/vttests/256colors.pl,v 1.1 1999/07/11 08:49:54 dawes Exp $
#
# This uses 33 print-lines on an 80-column display. Printing the numbers in
# hexadecimal would make it compact enough for 24x80, but less readable.
$|=1;
while (1) {
for ($bg = 0; $bg < 256; $bg++) {
# print "\x1b[9;1H\x1b[2J";
for ($fg = 0; $fg < 256; $fg++) {
print "\x1b[48;5;${bg}m\x1b[38;5;${fg}m";
printf "%03.3d/%03.3d ", $fg, $bg;
}
}
}