Question about Acer AL1916W 19" LCD Monitor

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Horizontal lines scrolling on monitor

Acer AL1619W LCD monitor


I have a problem with dark lines, of equal width and frequency scrolling down the screen at a constant speed. The speed is at its slowest when the resolution is set at 1024x768 with the frequ set at 70 Hz. Setting the frequ to 60 or 75 Hz. Increases the speed of the scrolling, as does setting the resolution to 800x600 or 1152x 864 also increases the speed.


The scrolling lines appear to be approximately 12 to 15 mm in depth, the full width of the screen and tend to darken the background colour, eg., light grey turns to mid grey, white turns to a very pale grey thet is almost unnoticable. The darker the colour, the more noticable the line or band.


The band has a sharp edge at its top edge and fades to the back-ground over the lower 4 to 6 mm.


This problem exists at all times, even when not connected to the computer.


I assume this is a timing problem of some description but I don't know. Any suggestions will be greatly appreciated.


Thank you


Royce

Posted by on

  • akamine_chan Nov 14, 2008

    I have the exact same problem as rrvau described above. I updated my graphics drivers and it slowed down the speed of the scrolling lines.

    Any ideas? Bad monitor, bad video card?


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5 Suggested Answers

8thWonder
  • 16 Answers

SOURCE: Acer AL1715 17 in. Flat Panel LCD

call the service center instead of wasting time

Posted on Aug 29, 2007

  • 68 Answers

SOURCE: Ripping horizontal lines on background

Your problem is not the drivers or hardware it is in your settings. Goto windows hardware settings for your monitor. Look down where it says refresh rate. Write that number down then go to the manufactures web site. Enter in your favorite search engine your monitor model and to to the manufactures site. Check to see what they recomend as your optimum and maximum refresh rates. Pay attention to the screen size also this plays a huge role in performance and out of sink refresh rates. Just out of coureosity are you overclocking your cpu or ram?

Posted on Sep 20, 2007

The Joat
  • 81 Answers

SOURCE: Preset

Without knowing any more about your system I can only give you a couple of general ideas.
First try updating to the newest video card drivers possible.
You can try going to the drivers tab in display adapters in device manager and click update drivers.
Failing this, if your system is more than a few years old you will probably have to update to a more current video card to get the resolution that you need.
The native resolution for your screen is 1280x1024.

Posted on Jan 05, 2008

jemmyrash
  • 180 Answers

SOURCE: Annoying discolouration across monitor

Does your monitor uses external Power Supply Unit ?
May be the video board need services.

Posted on Apr 19, 2008

scottyfixit
  • 186 Answers

SOURCE: ghosting

I know exactly what your talking about. I've seen in many times. It' happens too in CRT monitors as well as LCD. It could ALTHOUGH be as simple as a bad cable catching interference. Most likely though, it sounds like a bad LCD driver board or video board. If you have warranty, call it in. Otherwise see if it lessens with adjustments of contrast and brightness up and down. This directly affect the driver board power and can improve it enough to be tolerable again.

Posted on Apr 30, 2008

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