Dead Pixels in monitors - please explain

  • Thread starter Thread starter leegold
  • Start date Start date
L

leegold

I see a lot of new LCD monitor buyers bragging they have no dead
pixels.

What does this mean?

How can I tell or test for this?

Thanks,
Lee G
 
I see a lot of new LCD monitor buyers bragging they have no dead
pixels.
Click to expand...
Mine doesn't.
What does this mean?
Click to expand...
It's hard to make an LCD panel without either an always-on pixel or one
that's dead. That means that somewhere o their screen, if you look
closely, one pixel never goes out, or one pixel never comes on. It's a
property of fully digital monitors; the more dense the monitor and
higher resolution it handles, the more likely it is to happen; yet the
less visible it will be to the user.

I think most manufacturers specify so many live and so many dead before
a screen is declared bad.
How can I tell or test for this?
Click to expand...
Testing for always-on pixels is easy: Turn your screen to black; and a
live pixel will look like a small star.

Testing for dead pixels is a bit harder. Pick a program like word to
fill the screen with nothing but white, and look for tiny black dots.
 
In message <[email protected]> Frank McCoy
Testing for dead pixels is a bit harder. Pick a program like word to
fill the screen with nothing but white, and look for tiny black dots.
Click to expand...

That won't do it either, in some cases only one colour won't work, so
you need to test each colour.

In even rarer cases, one or more colour will fail, but only under
certain cases (realistically at least one monitor in every Best Buy
store will have this problem)
 
DevilsPGD said:
In message <[email protected]> Frank McCoy


That won't do it either, in some cases only one colour won't work, so
you need to test each colour.

In even rarer cases, one or more colour will fail, but only under
certain cases (realistically at least one monitor in every Best Buy
store will have this problem)
Click to expand...

Is Dead Pixel Buddy reliable?
The description is on this page:
http://www.laptopshowcase.co.uk/downloads.php?id=1

It's distributed in a zipped archive that does not require installation.
 
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