Anyone else with a 1900FP, could you please take a close look at your monitor and followup to this message, thanks!
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I received a Dell 1900FP 19" LCD monitor with a system as part of the LCD promotion a few weeks ago.
In the first five minutes, I noticed a problem:
When the screen is dark (displaying a dark background), but powered on, curved "smudges" are visible about 1" in from the sides and bottom. The lines a reminiscent of the lines left when spreading a paste (like peanut butter on toast for instance). They appear in two areas, like two U's or elongated C's side by side, on the left and right sides of the screen, and each "U" is about 5 inches wide and go almost to the top of the screen.
I thought it was my settings, so I tried a different DVI cable, reloaded the drivers, reset, etc etc. I hooked up a 1702FP, and saw no lines. I then checked the 1900fp display without input and by switching from analog to digital, and the lines/smudges are still there. If the monitor has power/is lit, they are visible.
Of particular annoyance was a bright thumbprint sized/shape smudge right about 1" in and up from the lower left corner.
Now I know that LCDs are manually "combed" or brushed during production, and since these lines are inside the polarizing layer, I assumed I just got a bad monitor.
So I RMAed it.
Now the new one has the similar lines in the same areas, but now the brightest one is about 1" in from the left and runs ubout 6" up. I had another person look at it and they thought it looked like a glare from a background light it was so noticeable. This 2nd LCD is even worse than the first one.
Again, these lines are visible in a darkened room, with and without signal from the PC, and are not from a flaw to the surface itself, which is perfect and scratch free.
When looking closely at the screen when displaying a solid test screen of black or dark blue, you can see the square shapes of the pixels in these areas are actually a lighter color.
Is this a case of bad pixels? The pixels are not stuck on in a solid bright dot as I am used to seeing on LCDs, but are more of a not-quite dark enough color. If so, there are hundred of bad pixels in swathes.
Or could this be a problem with the polarizing film itself being misapplied? Just by looking at the lines, they look manually contrived, not something done by a machine, esp since the 2nd LCD does not have the exact same flaws in the same positions.
I would appreciate if any moniter tech heads would reply or if Dell could shoot this over to their engineers and see if they have an idea. I had a very hard time explaining this to the tech on the phone, and he only stopped making me follow the idiot-proof testing when I told him I have handled dozens of LCDs and had already determined that this was not a signal problem.
Thanks!
Bill
---
I received a Dell 1900FP 19" LCD monitor with a system as part of the LCD promotion a few weeks ago.
In the first five minutes, I noticed a problem:
When the screen is dark (displaying a dark background), but powered on, curved "smudges" are visible about 1" in from the sides and bottom. The lines a reminiscent of the lines left when spreading a paste (like peanut butter on toast for instance). They appear in two areas, like two U's or elongated C's side by side, on the left and right sides of the screen, and each "U" is about 5 inches wide and go almost to the top of the screen.
I thought it was my settings, so I tried a different DVI cable, reloaded the drivers, reset, etc etc. I hooked up a 1702FP, and saw no lines. I then checked the 1900fp display without input and by switching from analog to digital, and the lines/smudges are still there. If the monitor has power/is lit, they are visible.
Of particular annoyance was a bright thumbprint sized/shape smudge right about 1" in and up from the lower left corner.
Now I know that LCDs are manually "combed" or brushed during production, and since these lines are inside the polarizing layer, I assumed I just got a bad monitor.
So I RMAed it.
Now the new one has the similar lines in the same areas, but now the brightest one is about 1" in from the left and runs ubout 6" up. I had another person look at it and they thought it looked like a glare from a background light it was so noticeable. This 2nd LCD is even worse than the first one.
Again, these lines are visible in a darkened room, with and without signal from the PC, and are not from a flaw to the surface itself, which is perfect and scratch free.
When looking closely at the screen when displaying a solid test screen of black or dark blue, you can see the square shapes of the pixels in these areas are actually a lighter color.
Is this a case of bad pixels? The pixels are not stuck on in a solid bright dot as I am used to seeing on LCDs, but are more of a not-quite dark enough color. If so, there are hundred of bad pixels in swathes.
Or could this be a problem with the polarizing film itself being misapplied? Just by looking at the lines, they look manually contrived, not something done by a machine, esp since the 2nd LCD does not have the exact same flaws in the same positions.
I would appreciate if any moniter tech heads would reply or if Dell could shoot this over to their engineers and see if they have an idea. I had a very hard time explaining this to the tech on the phone, and he only stopped making me follow the idiot-proof testing when I told him I have handled dozens of LCDs and had already determined that this was not a signal problem.
Thanks!
Bill
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