Question about LG L1920P 19" LCD Monitor

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LG L1920P flatron just flashes - LG L1920P 19" LCD Monitor

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  • ranger2242 Jan 06, 2009

    i have the LG L1920P 19" LCD Monitor and it also does the same thing but it will turn on after like 3 days wtf

  • Akuma Feb 06, 2009

    Im having a similar issue, if I want to see anything on my monitor L1920P I need to keep the pc on forever, if I shut down the monitor will not come on for days at a time

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Check the + 12 and + 5 Volt voltage coming off the power supply board. Look carefully as the +5 volts might be breathing.. meaning varying between +3.89 up to +5 and then cycles again.

Posted on Apr 16, 2009

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The power button on my lg flatron L1920p does not work or turns on the monitor; what can I do to fix the problem?


The monitor's power inverter also known as power supply probably needs to get replace, have a computer professional handle it.

Mar 08, 2011 | LG Flatron L1770HQ (Silver Monitor

1 Answer

Hi there I have an LG Flatron L1920P and it just went dead. CaNn you give me a few tips on what to look for? Thanks


First place to check will be the caps in the power supply section. Look for caps with leaking/bulging top.
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, blown fuses, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed LG and other monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net

May 30, 2010 | Computer Monitors

1 Answer

Hooking up monitor


kingpin_392, I f date of manufacture is 2005 or 2006 unit may need to be refurbished. If a "known good" monitor functions ok with your pc and is cabable of displaying the WIN desktop screen, then you wil need to ask brother-inlaw if he had same "check signal cable" symptom. Try to find out how to to do source select on the unit. The monitor may be looking for signal at the DVI port instead of the VGA connector?? 12fixlouie

May 08, 2010 | LG L1920P 19" LCD Monitor

1 Answer

The monitor flashed briefly during shutdown and wont turn back on


Check the fuse in power supply then caps and rectifier circuit diode may have s/c if unable will have to go to workshop.

Dec 29, 2009 | LG L1920P 19" LCD Monitor

1 Answer

My flatron 1920P monitor is in power saving mode. How do I get it out of power saving mode?


It may stuck in the standby mode because it is not seeing the signal feeding it or there is problem in the power supply, look for burnt parts, bad capacitors, etc.
http://en.wikipedia.org/wiki/Capacitor_plague
Please post back what you find.

Nov 29, 2009 | LG L1920P 19" LCD Monitor

1 Answer

LG Flatiron monitors.1st one on Dell pc works great. 2nd one in same household to Compaq pc still flashes faint pink on parts that should be white.


Probably just some color balance is of. Reset white to something different on the compaq. Try downloading nvidia-settings and see what happens when you mess with color balances. Mess around with some settings til it looks right, or see if you can reset the white balance to a different preset on the monitor's menu

Oct 26, 2009 | LG L1920P 19" LCD Monitor

2 Answers

Change the contrast on my LG screen FLATRON L1919S ?


see if there is some software cd with it or see if display properties has somthing in setup

Jul 29, 2009 | LG L1920P 19" LCD Monitor

1 Answer

I need a Vista driver for a Flatron L1920P monitor


Hi Click the below link to download the driver
http://mrdriver.com/device.php?id=1293&show_devs=a

May 09, 2009 | LG L1920P 19" LCD Monitor

1 Answer

Lg l1920 lcd monitor's screen flashes when turned on


Could be an inverter problem, if it powers on for a brief second and then flashes off then the inverter is at fault. Check for any Capacitors which have a yellowish substance at the top, they looks like round blue or black cans and if they look like they are buldging then they will need replacing.

hope this helps =]

Feb 11, 2009 | LG L1920P 19" LCD Monitor

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