Question about Microsoft HannsG HU171D 17" LCD Monitor

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17" LCD Monitor - only works for a few seconds when turned on.

The monitor only works for a few seconds when it is first turned on then drops out to a black screen, and the power LED remains green. If I turn the monitor off and back on it will do the same thing again. Everything shows up perfectly for about 5 seconds then goes black.... Help please...

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  • Eric Zollman
    Eric Zollman Feb 16, 2008

    yea it's about 2 years old., Any suggestion of how that could be fixed? or is it just finished?

  • Anonymous Feb 23, 2008

    my screen is fine for about 5 seconds, then it turns black.

  • joepmoore Mar 12, 2008

    Same problem & my unit is only 11/2 years old with minimal use (approx 10 hrs per week).

  • Anonymous Apr 23, 2008

    i have the same problem, its a brand new monitor, it only does the black screen thing when i use a digital cable and then it only does it if i leave the monitor off for a long time with the pc on, strange :S

  • bigforkshop Sep 12, 2008

    Screen works for a few seconds then goes black. Green LCD light remains on. Can turn off, then on again, works for a few seconds. Rinse and repeat. Monitor is 2 years old.

  • herbthurmond Oct 28, 2008

    I have a similar problem with my HU171D in which when I first open every morning I have to turn it on and off about 10 times now, at first it was only 3 times. It comes on for 5 seconds then goes to black screen. After it warms up, it seems fine. Mine however is about 5 years old and I love it! Not sure how to take apart though.



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It seems to be an Inverter related problem in which backlight seems to be shiutting down.Is this monitor 3-4 years old???If so backlight of the panel could be an issue.

Posted on Feb 16, 2008

  • Samir  Shah
    Samir Shah Feb 17, 2008

    If you are DIY kind you can switch off the monitor for an hour Open it Refit all connectors particularly backlight connections and while you are at it check if there seems to be any heating hot spots dry soldering joints or bulging capacitors.If a problem is seen resolder or replace necessary parts and try operation again.



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If I turn on my computer the monitor works well but after a few minutes it turns off itself (it goes to the standby mode orange led lights). Then if I turn on the monitor again it works only a few seconds....

Just in case the monitor is not te problem, why don't you try this.

For (xp)
-Go to desktop
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-screen saver
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You can try it on other operating system.
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Hope this help. Thank you for using Fixya!

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Monitor going black after a few seconds can be causd by a faulty power supply or inverter. Some monitors have both as one unit.
Sometimes it is basic failed capacitors, After that then I would look at transistors.
The average monitor from 17 to 20 and sometimes the 22s have usually 4 bulbs in them. One bad bulb will also cause the inverter to not fire up.
Bad bulbs usually show pinkish tint, or flickering or are dark at center top or bottom of the display.
ebays bammbammfran

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