Hello .Plz help ! I have an LG Flatron L710M PC display , and it just lost brightness , it's very dim now . I thought it was a cable problem , but after removing the cable it just displays the "no

SOURCE: monitor display becomes very bright

Sounds like a dry joint or a dirty control.
In either case, its probably a case off job.. You need to consider this carefully as you are dealing with potentially voltages up to 30,000V. In all honesty, you may be better off going to your local Thrift Storel where they often have screens for under $10.
Before you take the screen apart, look on the back for a couple of holes close together with one marked FOCUS. The other MAY be marked Brightness or SCREEN.
with a longish NON METALIC screwdriver, turn the recessed control gently in the SCREEN hole slightly one way, then the other and then back to its original position. This may remove any dirt/dust accumilation.
I CANNOT STRESS enough, the need for EXTREAM care here due to the VERY HIGH Voltages involved.
Usual disclaimers apply..
Best take it to a shop or replace it..

SOURCE: power ON, no display ,when switch off and on

check the power cords and the video connectors. if it's ok, then it could be a problem on video card

SOURCE: my LG Flatron L1515S 15" LCD goes on blank scree(black screen)

sitaramjava, Problem not new one!!! When lcd screen goes "black" point bright flashlight (torch) 1" (3-4cm) from lcd panel to determine if you can still see desk-top icons!!! If icons are visible, unit SMPS is in partial shutdown mode. If not visible then SMPS is in full shutdown mode. You or qualified CCFL back-lit lcd monitor technician will need to make repair to units internal SMPS/ CCFL inverter supply. Your monitor isn't any different than any other brand in it's basic design and operation!! Read my and other CCFL backlit lcd monitor technicians FIXYA profiles to see if you can repair it. 12fixlouie

Bud Martin

• 11361 Answers
• Posted on Dec 30, 2010

SOURCE: Hello, I have a LG Flatron W1934S screen. When I

Try it with another PC first just to be sure it is not video card problem.
More likely that it has dying power supply due to bad caps with leaking/bulging tops a shown in my pictures here:
http://s807.photobucket.com/albums/yy352/budm/LG%20W1934S/

You should replace them in a set.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.

SOURCE: Hi there, We have a LG

It could be some sort of "Demo" mode on the display, try going into the menu of the display and looking for settings relating to Flatron F-Engine, it has a demo mode that could be the problem. That is the most likely cause since its exactly half the screen.