Question about Acer AL1716 17" LCD Monitor

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Pixels/Dots on the monitor

Hi, I have an acer 17inch monitor, which i bought last year. Frequently I have pixels/dots which appear on the monitor. I would to know it is a problem with the monitor or its with the CPU. Thanx.

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  • grego34
    grego34 Jun 20, 2008

    i have the same problem also.

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It is problem of monitor

Posted on Apr 03, 2008

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2 Answers

Acer monitor screen showing partial screen only. rest of screen showing black & white dots.


Hello there.

Try the monitor with ANOTHER computer,

This will prove whether it is the Monitor at fault or not.

Sep 25, 2014 | Computers & Internet

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Vh243h acer screen has red dots


Sounds like your screen is losing pixels.....may be bad and need to be replaced.

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It has more than 10 black dots


Your LCD screen therefore has more than 10 dead pixels. The pixels have died and will not come back to life. If this monitor is under warranty you will be able to claim warranty support.

If this is not the case and the pixels are destracting, you may get a LCD technician to replace the LCD screen. Another option is to purchase a new LCD monitor.

Take care!
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At the LCD pannels may appear dead pixels. You can not solve this problem.

If your monitor is in the waranty period, you can address to your vendor to see if it's possible to replace your monitor. Every LCD producer have own waranty strategy.

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I HAVE RED DOTS ALL OVER ANY BLACK COLOR OF THE PICTURE


Could be whats known as dead pixels, this is tested be showing up a black or white screen. Microsoft paint or word will do. If an area always has dots then dead pixel. However if it doesn't constantly remain a dot then, some-thing else. Dead pixels come about due to age.
A technician will be able to diagnose your problem by performing white screen test.

damnor01

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1 Answer

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These black dots are most likely dead pixels.

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There is red dots all over the screen! I can still see the picture but the red dots are getting wort by the hour! What can I do to fix it?


I'm afraid that it sounds like the monitor wont last much longer. It could be that the control board is failin and pixels are getting stuck, but it would be more economical to replace the monitor.

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What does it mean by dead cells?


I assume this is related to your LCD monitor.
I think you mean dead pixels. The LCD monitor has tiny pixel elements, one for each red, blue, green color and each one of these colored pixels are turnes on by a transistor. When a transistor fails then the colored pixel it controls does not light up. This is a dead pixel and it shows up as a tiny black dot.
If the screen displays a blue screen, a dead blue pixel will appear as a tiny black dot in the blue screen.
You normally would not notice a few dead pixels unless they are grouped together.

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Try using a diffrent computer on this and see if its not the video card doing it or if not its the controller board inside that connect to the video card that would need to be replaced at this time, if there are no dead or stuck pixels it might be worth replacing rather then buying a new one.

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Does the rest of the picture come in okay? Just 4 small dots? Those are probably dead pixels. I believe you have to have 5 (in most cases) to claim it as defective. Some people have had success tapping on them (be gentle) otherwise, you can send it into a repair company.

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