Question about Acer AL2423W LCD Monitor

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AL2423W flashes 'No Signal' and turns off and on

My monitor turns on and off and the hard drive is still on. It will be on and then a grey box with 'No signal' appears, which I can't move to the side and then about a minute later the monitor shuts off for a couple seconds and then returns with everything still on the page. In fact I can still type away whilst the monitor turns off. My monitor is just on a month old. I have no other computer to test the monitor on.

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  • billgeo Jun 24, 2008

    The problem seems to be intermittent. It will work fine for a couple of months, then continuously flash the "No Signal" error every two or three minutes, followed by going dark and returning correctly. I have tried new drivers, rebooting, etc. but nothing changes. Then, mysteriously, the monitor will work correctly for another month or so, only to start with the No Signal messate again. In all cases, the display is working, but the No Signal box covers the most important real estate - dead center of the monitor.

  • mbuna Jun 30, 2008

    I am having the same intermittent problem. If I connect the monitor to my other PC running Windows XP then it does not happen. Alternativley if I put my other monitor on the acer computer then I have no issues either. Surely it has to be an interface or software issue between the Acer PC and the Acer Monitor.

  • Anonymous Aug 22, 2008

    I have the same problem very very frustrating, you would expect a level of quality from a known brand not this.

  • Anonymous Feb 04, 2009

    same problem, what did you guys do?

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Hi Guys,
This is a common problem with this monitor but I have a fix. Sounds simple but try it it works. Turn your monitor off, then turn it off at the wall, turn your monitor back on to drain any stored power, now turn it back on at the wall and fire the pc up and see how you go.

Posted on Oct 25, 2008

  • jnani Mar 04, 2011

    Hi man! Thank You so much for this tip; it works fine, 'cause I have the same problem... so, in the future thanks to You... I'll know what to do, if the NO SIGNAL apears again... Thank You again for the advice! Jnani

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  • 472 Answers

Call the Acer tech desk, or visit their website, they will be able to swap your monitor for another one. Your problem is most likely a failing internal video card (inside the monitor, not your PC)

Before that, check the cables are properly connected to both your PC's video card and to the monitors input. Also make sure they are screwed into place, not just sitting there.

Hope that helps =)

Posted on Apr 13, 2008

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