Question about LG L204WT LCD Monitor

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Power Won't Consistently Turn On

My Flatron model L204WT is about two years old. After disconnecting and reconnecting the power cord one day, the unit did not turn on. If I leave it one, it will after a long period of time turn back on (sometimes). Right now, it has been off and won't turn on. Any suggestions? Joe im having the same exact problem, my L204WT-SF will not power on, from powersaving mode... 
this has been happening for a few days now, i used to be able to switch the graphics modes for my dualscreen setup, to clone, horizontal span, etc... and the screen would come back on... but yesterday it didn't... i had to unplug the power cord, and plug it back in... and now that won't work even... mine is also about two years old....
this sounds to me like engineered obsolecence! designed to need replacing!

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6 Suggested Answers

mjcarrasquil
  • 1 Answer

SOURCE: I have a L194WT LG Flatron monitor. One day it

Same problem started happening two days ago and ever since. I called LG and the product falls under a 3yr product warranty according to them (from my original purchase date of January 20, 2007). They will send packing slips to me so I can send the defective unit back to LG. I was told I am eligible for a replacement monitor - which will be shipped to me within 10 to 14 days (consecutive days, not business) - although I'm not sure what I'm being sent in return. My suspicion is that this monitor issue is a known issue by LG and they are quietly replacing the unit to those who follow through by calling CS.

Tips: Have your original purchase date on hand (in the form of a receipt) just in case they want proof of purchase.

Posted on Apr 27, 2009

  • 67 Answers

SOURCE: L1932TQ LCD Monitor won't turn on.

Try a cold reset for the computer by unpluging the power cord from the computer it's self then plug it back in if that doesn't work your monitor may have died

Posted on Jun 03, 2009

  • 34 Answers

SOURCE: LG FLATRON L1732S Problem

check all the capacitors in the power supply section

Posted on Jul 12, 2009

jmgldsmth
  • 1869 Answers

SOURCE: lg flatron w1952tq monitor goes immediatly into power saving mode

reinstall windows

Posted on Sep 06, 2009

  • 10406 Answers

SOURCE: My LG Flatron Wide Monitor is set for 100% bright,

Does this monitor have an OSD (On Screen Display),
and a button to activate the OSD?
Does the OSD have the capability to adjust the brightness?

Posted on Oct 29, 2009

paul7of9
  • 1189 Answers

SOURCE: LG Flatron L177WSB-how would I use my newly

Hi, the Power Saving Mode, turns the screen off to conserve energy. On the remote, press Menu, and scan to Power Saving Mode. You can change the amount of time, when the Screen turn-off, the TV shut-off etc. You can set the time to (5 min) to, (never, turn-off). This should help with your problem. Thanks paul7of9

Posted on Jan 14, 2010

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robin almen, If date code on rear is 2006, you will explor these options: 1 DIY refurbishment of units internal power supply printed circuit board. 2. See if LG (lucky Goldstar) has a cash+old unit swap-out program??? 3. Contract out the repair work. ($30 to $75) 4. Trade L204WT for new monitor. 5. Do some reading in the fixya profiles and follow the links you find there, to see if you might be able to do your own repair. Then visit YOUTUBE for repair video clips, searching using this: "lcd monitor disassembly" and "lcd monitor repair" Now it's up to you! What will you do? What will you do? Bye for now. 12fixlouie

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unique_m_m, Your LG l204WT has a possible bad "switch-mode-power-supply"/"CCFL inverter circuit" that will need to be repaired. The sound that you hear can only come from the circuits mentioned. The SMPS supplies dc voltage to the INVERTER supply and it changes it to a high voltage ac to light-up the "cold-cathode-fluorescent-lamps" (2) that are hung on the reverse side of the lcd panel you look at. You will need a tech type to investigate the units SMPS/inverter board for bad (swollen,leaky) electrolytic filter capacitors and "cold, frosty looking solder joints of the surface and through hole mounted electronic parts soldered to the circuit board. Here is cost to repair. DIY if handy with soldering pencil would be less than $20. Farm out the repair $35 to $65
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The only thing to do is to replace the Power Supply Unit (very expensive, more than a new monitor) or if you have electronic tools, found and replace that condensator.(cheaper way...)

Anyway, have you tried to replace your VGA card ? The problem could be there too !!

Best Regards!

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Tips: Have your original purchase date on hand (in the form of a receipt) just in case they want proof of purchase.

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