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HANNSpree monitor screen going blank. The screen dims after approximately 20 seconds and then 10 seconds later goes black. I still have a blue power LED. I have tried with two different machines running Windows 7

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Sounds like either the inverter board is failing - or it may be the power to the inverter board. Look up your model# on eBay and you may get some insight as well as a source of parts.

Posted on Nov 14, 2009

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Posted on Jan 02, 2017

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2 Answers

How to fix HF237 Hannspree Monitor?


I did a quick Google search, since I experienced the same *2 seconds to black* problem months ago, and found this Hannspree HF237 2 seconds to black Badcaps Forums

Sep 01, 2014 | Hannspree HF237HPB 23 inch LCD Monitor

1 Answer

Monitor goes blank less than a second after turning on.


Sounds like either there is a bad connection from the computer to the monitor, or the monitor has a faulty power regulator, causing the monitor to overheat prematurely, and shut off.

Feb 21, 2008 | Proview PL926WBi 19" LCD Monitor

1 Answer

Why does screen go black after a few seconds


Hope this helps.... Your monitor has an inverter issue. You know it's an inverter problem when:
1. Your monitor starts normally and displays the startup/desktop screen for a while.
2. Then it suddenly goes off, leaving a blank (black) screen or a very dim display.

To fix this black screen problem, change the inverter board (based on your monitor brand).
Source(s): http://lcdmonitorrepair.annics.com

May 05, 2014 | ASUS VK193D LCD Monitor 19-inch - Black

1 Answer

My Hannspree 25" HF257 monitor


Ur tv have a dead 1 or 2 long board that call the LCD inverter boards.These 1 or 2 long LCD inverter boards job are to help the LCD screen panel to have a backlight to produced a picture.Tries websites like Shopjimmy.com,Ebay.com to buy those 1 or 2 long LCD inverter boards for the replacement.

Feb 28, 2011 | Hannspree HF257HPB LCD TV

1 Answer

I have a 22" Hannspree HF 237 monitor about a year


Hi,
It is the inverter problem maybe it is loose or cold solder already. You better open the unit and look for the inverter section then re solder all leg parts there.

Regards;
votit

Feb 08, 2011 | Hannspree HF237HPB 23 inch LCD Monitor

1 Answer

Hannspree HF229H will not stay on


railbird56, Common problem for ALL BRANDS of "cold-cahtode-fluorescent-lamp" back-lit lcd monitors! Here are your options!!! Cheapest to most costly!! 1. Warranty repair. 2 DIY repair???? 3. Local or distant repair. 4. possible old + cash swapout with Hannspree for refurbished same model?? 5. Trade-in for new wide screen. My best guess on your monitor (no history) is that the unit's SMPS is in partial or full shutdown mode during it's black screen moments. How much do you know about "electronic ballasts" "switch-mode-power-supplys" and how to repair them?? 12fixlouie

Feb 22, 2010 | Hannspree HW191D LCD Monitor

1 Answer

We bought a new Hannspree in November, now all at


chummel36, Find your warranty and then yell and scream at them about poor quality and premature failure, but only after you connect to a different known good pc and see if your monitor still acts crazy. Learn to do the flashlight test to determine partial or full shutdown state of monitors "switch-mode-power-supply" when screen goes black or blank n black!!! Spend some time in my fixya profile reading about black screen problems before you do anything else. 12fixlouie

Feb 19, 2010 | Hannspree Computers & Internet

1 Answer

Monitor dims on a black background hanns G 28


Go into monitor settings and turn "off" X-Contrast. X-Contrast will auto change contrast when backgrounds darkens. However, adjust manually the Brightness and Contrast settings to compensate.

Apr 22, 2009 | Hannspree 28" Widescreen Flat-Panel LCD HD...

1 Answer

Monitor goes blank less than a second after turning on.


I start my computer and turn it on, and everything looks fine for about 1/4 of a second and then it goes black while leaving the power light green. I can only see the screen again after turning it off and on, but that's only for another 1/4 second. What's up?
I got my rosewill flatscreen as a hand me down from my father. I've had it for several years now. Was working fine until a month ago. When I turn the computer on the screen goes black after 1/4 of a saecond. I have to turn it off and on anywhere from 10 to 20 times before it stays on. I have checked all plugs to the computer and outlets. I have absolutely no idea whats causing this.

Dec 28, 2007 | Rosewill R700J 17" Flat Panel LCD Monitor

2 Answers

Monitor dims for one account, not the other


I would first contact the GF administrator and ask them if they've heard of this before. Then I would contact Acer.

Jan 18, 2007 | Acer AL1916B 19" LCD Monitor

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