Question about Hannspree HW191D LCD Monitor

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My Hanns G LCD 19" Moitor issue

Hey there,

About two or three months back i bout this monitor from Novatech. In went home, rigged it up and it was fine. Picture, sound, everything was great.

However, now whenever i turn my computer on, the screen flashed up for about 1-3 seconds and then goes black. I can just faintly see the picture it is displaying if i get it in the light.

Is there any solution for this problem, or is the monitor up the creek?

Thank you
Gareth162

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  • Gareth162 Sep 02, 2008

    Thankyou very much

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1 Answer

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  • 71 Answers

Have you tried reseting the monitor to factory defaults, or pulling the plug, waiting then replugging it?

If you can see a picture in a dark screen, it means the backlight has blown. These are special bulbs that may be difficult to find, or fully generic, but you will need to open the monitor, disassemble the LCD panel to get to the bulb so you know which type of bulb it needs. This is a moderately difficult task with fragile elements to remove to get to the bulb.

If you consider the monitor as toast and will not have it professionally serviced, you have nothing to loose by working on it, if you are handy with electronic tools, to use as a repair and learning experience.

Posted on Sep 01, 2008

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Posted on Jan 02, 2017

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Hanns g hx191d no picture. My monitor went black while I was working, the green led is lit, I get a picture for a split second when I first turn on the computer or monitor.


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The most common cause of this type of display issues is a failure of the back light power supply. There are parts called capacitors that fail and this causes the power supply to not be able to put out the correct voltages to operate the monitor. You cn repair the monitor easily by replacing the bad capacitors on the power supply board. The old ones need to re desoldered and the new ones soldered back in place. You can get a kit of the proper capacitors to do the repair here:

http://www.ccl-la.com/catalog/product_info.php?products_id=194

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This type of issues is caused by parts called capacitors that have failed and are keeping the power supply from starting up correctly. You can rebuild the power supply board by replacing the bad capacitors and this will bring the monitor back to full working order. Here is a link to information showing what parts need to be replaced with pictures and parts list.

http://www.ccl-la.com/catalog/product_info.php?cPath=21_31&products_id=194

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Hi, I used to repair a monitor from Dell. You might have to check what wrong with your monitor when it went back by shining a flashlight into the screen, not directly but find the best angle to the screen and take a look very closely. If you can see the icons or any image, there will be a minor problem like broken lamps and it is very easy to replace. But the most important part is you need to know how to teardown the screen. . If you cannot see anything on the screen, there'll be some problems with inverter board. If you have soldering tool and want to fix it by yourself, check the caps first. It may cause this problem. Some caps might show leaking or burn spot on the board because of too high temp. If you don't have soldering tool, you better go get a technician to do so.


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If the green light doesnt turn on, check if the wall outlet is workign properly.
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