Question about Hyundai ImageQuest L50S 15" LCD Monitor

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Automatically turns off and on withing 2 secs

My Hyundai L50S monitor keeps turning on and off by itself. Power button flashes a light green then dark green color and you can hear the sound of it turning on and off from the built in speakers. It also does this when completely diconnected from computer and monitor plugged in. No response from power button or any other buttons. Please hellp!

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The power button board is electronically fried you need a new one

Posted on May 08, 2008

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I have got a hyundai monitor imagequest l50s , but the speakers won"t work


If the speakers are built in, check that the volume on the speakers via OSD is not turned all the way down or off. Many monitors that have speakers have an audio amplifier as the sound output from computers is very low and requires a powered speaker system in most cases. They are designed to operate head phones only now a days.

Jim

Mar 05, 2011 | Hyundai ImageQuest L50S 15" LCD Monitor

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Dell monitor e17s fbp.. wont turn on


Flashing power LED light means you may have shorted (Emitter to Collector) out transistors (c5707) or bad fuse (fuse has high resistance) PF751. Those are what you need to check. see pictures here: http://s807.photobucket.com/albums/yy352/budm/Dell%20E173FPb/

http://s807.photobucket.com/albums/yy352/budm/Dell%20E15x%2017x%20series%20PWR%20INVERTER%20BD/

Post back what what you find so we can guide you further.

Feb 27, 2010 | Dell E173FP 17" LCD Monitor

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NEC MultiSync LCD1765 won't power on


Look for bad caps with bulging top in the power supply first, post back what you see inside so we can guide you further, see example of failed monitors due to bad caps (after about 2 years): http://s807.photobucket.com/home/budm/allalbums

Feb 15, 2010 | NEC MultiSync LCD1765 17" Flat Panel LCD...

1 Answer

Monitor goes dark 2-3 sec after power up, green lite stays on


Look for shorted out transistors (four, c5706/5707) in the inverter backlight transformer driving circuits.

Jan 21, 2010 | Dell E153FP 15" LCD Monitor

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My LG Flatron L1717S wen I power up it flashes good for 2 sec


are you getting a check signal cable message? any on screen instructions?

try the cable, if it works on another monitor, then sorry to say but your monitor is fried

Sep 01, 2009 | LG Flatron L1750S 17" LCD Monitor

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Lcd monitor power light flashing with no img. seems 2 be frozen


The display is in safe mode and you will need to reset the display to get the display out of the safe mode. There are 2 different model revisions. Please choose the method that will match your revision. Depending on the revision of the monitor, one of the following 2 methods should reset it to a normal state. This reset generally requires both hands and it is sometimes easier with another person.

If the serial number begins with an A and/or your power button on the far right (5th button from left):
Method #1
1. Unplug the VGA cable.
2. Remove the power cable from the back of the monitor.
3. Counting the buttons on the front of the panel from left to right as 1 – 5, hold the buttons 2 and 3 down at the same time (see picture above) and while continuing to hold the buttons, plug the power cable back in.
4. Keep holding the buttons for 5 seconds after the power has been plugged in and then let go. The green light should be steady when you release the buttons.
5. If the procedure worked, the green light will go to amber and you should see a "No Signal" message on the screen for a few seconds.
Method #2
1. Unplug the VGA cable.
2. Remove the power cable from the back of the monitor.
3. Counting the buttons on the front of the panel from left to right as 1 – 5, hold the buttons 2 and 3 down at the same time (see picture above) and while continuing to hold the buttons, plug the power cable back in.
4. Keep holding the buttons until the 4th green LED blink; then, let go. The green light should be steady when you release the buttons.
5. If the procedure worked, the green light will go to amber and you should see a "No Signal" message on the screen for a few seconds.


If the serial number begins with a B and/or your power button is in the middle (3rd button from left):
Method #1
1. Unplug the VGA cable.
2. Remove the power cable from the back of the monitor.
3. Counting the buttons on the front of the panel from left to right as 1 – 5, hold the buttons 2 and 4 down at the same time (see attached picture) and while continuing to hold the buttons, plug the power cable back in.4. Keep holding the buttons for 5 seconds after the power has been plugged in and then let go. The green light should be steady when you release the buttons.
5. If the procedure worked, the green light will go to amber and you should see a "No Signal" message on the screen for a few seconds.

Method #2
1. Unplug the VGA cable.
2. Remove the power cable from the back of the monitor.
3. Counting the buttons on the front of the panel from left to right as 1 – 5, hold the buttons 2 and 4 down at the same time (see picture above) and while continuing to hold the buttons, plug the power cable back in.
4. Keep holding the buttons until the 4th green LED blink; then, let go. The green light should be steady when you release the buttons.
5. If the procedure worked, the green light will go to amber and you should see a "No Signal" message on the screen for a few seconds.

If you have tried the reset a few times and it does not solve your issue, please Ask a Question to submit a request through the system or call 1-866-752-6271 Option 1 to contact technical support.

Mar 02, 2009 | Planar PL1910M (Black) 19 in. Flat Panel...

1 Answer

Won't turn on


This is a problem with either the power supply or or logic circuit. It could also be caused by a failure in the back light circuits. One of these problems has caused the power supply to go into protection mode and will not turn on due to bad voltages sensed in the feedback circuits. Return to dealer for service. Hope this helps you .

Dec 26, 2008 | Envision EN-7100e 17" Flat Panel LCD...

2 Answers

ACER AL1715 PowerLed blinking only,no picture,flash about .5secs


This sounds as if you are using the hibernate feature in windows reboot it and reset the power options to hibernate never check the vid connection as well

Dec 19, 2008 | Acer AL1715 17" LCD Monitor

2 Answers

Monitor will not power on


carefully remove the other covetr,isolate all wires connecting the electronic board to the crt and the earthing pad.once you acess the pcb,test the fuse first,if there is continuity,cover it back and seek proffesional service technician as further troubleshooting requires specialised knowledge.try your best,cos no one can fix every thing,most of the time we need other peolpe's services.i admire your courage. eyo7 eyoifiok2005@yahoo.com

Apr 02, 2007 | Hyundai ImageQuest L50S 15" LCD Monitor

3 Answers

Monitors goes black - Hyundai Q17


I had the same problem some time ago.
After dismateling the power-supply unit it apeared that there was en crack in a solderjoint at one of the power transistors. This transistor has 3 legs (TO220 I believe), from which the middle leg had a solder crack, probebly due to thermal stress. Just resolder and it worked again....
Its worth a try I think.

Succes,  Wim Steenhuis.

Oct 04, 2006 | Hyundai ImageQuest Q17 17" LCD Monitor

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