Question about Acer AL1912B 19" LCD Monitor

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Bottom Quarter of Screen Stretched and Distorted

I couldn't find anyone else with this problem on the forum which is surprising since I am having this identical issue with not one, but two ACER AL1912 monitors. This problem has occurred when the monitor was accidentally left on for a length of time (5 days or more). The bottom quarter of the screen becomes distorted and extremely stretched downwards, making it impossible to use anything in that space (thus making it impossible to use the display, really). I have a two monitor set-up. This had occurred on one of the monitors in the past a couple times after accidentally leaving it on as above. I switched monitors and did enough tests to determine that the problem indeed originated from the Acer and not my computer, cables, or video card. As mysteriously as the problem occurs, a solution in the past was to leave the monitor off for a week or more (I travel a lot so this is feasible). Most of the time after it's been off for a couple weeks the monitor displays normally. The last time this happened I just made sure that I switched the monitor off so there was no future problem ... until now. Recently I was out of town for a month and a colleague used my computer set-up. You guessed it: he left both monitors on after switching off the computer and they were on for over a week. Now, upon returning, both monitors are distorted and stretched in the bottom corner. Leaving them off for an extended time is now not an option as I have a project due in a couple weeks. And with both monitors afflicted I can't just use a 'good' one. Help! If it makes any difference, I'm running these off a Macintosh G4 in a dual monitor set-up. Thanks in advance.

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  • Michael Donaldson Apr 05, 2007

    A couple additions that may help:

    - I've posted a photo of the problem at this link:

    - As I work in music production, there are medium-sized studio speakers about 5 inches away from each monitor. But the fact that the problem disappears and comes back (the speakers and monitors haven't moved) makes me think this may not be a factor ... ?

  • Michael Donaldson Apr 05, 2007

    Another addition: I just plugged in a co-worker's Dell monitor into my set-up (same cables and output I'm using for the left side Acer). His monitor does not exhibit this problem.

  • Michael Donaldson Apr 05, 2007

    Update: The problem has been solved via an identical post of this question to Ask Metafilter

    It seems 'cycling the power' (actually unplugging the monitors and leaving them powerless for a couple minutes) solves this affliction.



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Sounds as though you have a faulty monitor. Give Acer a call and see if they will change it. They usually offer a 3 year warranty with their screens.

Posted on Apr 04, 2008

  • boff1 Apr 04, 2008

    Further to the above, it does seem a bit of a coincidence that two should exhibit the same fault. Have you tried changing the video card or trying the monitor on other PC's?



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