Question about LG Flatron L1710M 17" LCD Monitor

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MONITER LIGHT IS GREEN BUT ONLY SHOWS A NORMAL SCREEN FOR 1/2 SECOND THEN TURNS BLACK

MONITER TURNS ON AND SHOWS A COMPLETLY NORMAL SCREEN FOR 1/2 SECOND THEN THE SCREEN TURNS BLACK

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  • matt gerlach
    matt gerlach Nov 25, 2007

    when i switch the computer on the screen doesnt go on and my PC starts beeping. Ive disconnected and re-connected all of the cables but the problem persists. I URGENTLY NEED HELP! PLEASE GUYS!

  • Anonymous Dec 22, 2007

    Haveing the same problem and it started around the same time.if you find a soultion please post. or email it to me at jerley2001@yahoo.com

  • Anonymous Aug 25, 2008

    I have the same problem - when my PC is turned on, it shows the normal screen but turns black. At times when I turn off and restart the PC, the screen display is normal once again.

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HI. I had the same problem with mine. It would flash the screen on for a split second and then turn black, the whole time the power light remained green. Upon opening up the case, I pulled the combo power supply board/inverter board out for inspection. I noticed one of the capacitors had a bulge on top indicating it was bad. It was the the 680uf 25v capacitor. I desoldered it, and soldered in the new one. After hooking everything back up, bingo!! Monitor now works perfectly. I couldn't find an exact match to the capacitance locally, but I had a 1000uf 35v cap in my utility box. It worked fine as a replacement. You can usually go within 30 percent of tolerance and be alright. Just don't go under on capacitance or voltage. I hope this helps.

Posted on Mar 31, 2009

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Backlight is bad and needs replacing! When the screen is black with no image. Most of the time it is the inverter, when the screen shows an image it is the backlight, if power light flickers it could be a combination inverter board and backlight!

Posted on Nov 27, 2007

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1 Answer

The moniter blacked out, blue light is saying the moniter is still on, but screen looks like there is no power. When you turn on the moniter, the screen shows up for a few seconds, then blacks out again!...


Unplug power. Unplug VGA cable. Remove back of monitor. (four small Philips headed screws along the bottom rear. Remove screws attaching Monitor to it's base. Carefully, lean the screen away from back of case. Gently unplug 25 pin cable from the screen.
Connect AC power.
Screen should power on Gray to White. Ble light comes on Blue.Flickers then changes to Amber.
Reconnect VGA cable. Monitor should work.
Close up the monitor in reverse order to opening it.
If these steps don't solve your monitor, consider replacing as cost of repairs may shock you.

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Screen goes black, but power light is on (not blinking)


The problem is not with your screen. Its the problem of Video Card of your system which is unable to send Video Signals to the Screen.

Apr 23, 2009 | Daewoo L700C 17" Flat Panel LCD Monitor

1 Answer

Screen black


if monitor light is on, check the connecting data cable if it is ok then consult a technician.

Oct 28, 2008 | Computers & Internet

1 Answer

Monitor goes blank less than a second after turning on.


the moniter may be having  some technical errors   maybe the IC's has got corrupt 

you need to call the seller of the moniter

Sep 06, 2008 | BenQ FP71G 17" LCD Monitor

1 Answer

My Acer LCD AL1711 went off after seconds of turning on.


This monitor has "back lights" that are essentially like flourescent lights. These are high voltage lights and can easily fail. since you are getting some light initially, I would suspect a defective part that heats up a bit right away and then fails. I would try to replace the entire backlight board. This is the small board on the side (usually).
Dan

Mar 27, 2008 | Acer AL1711BM (Black) 17" LCD Monitor

2 Answers

Monitor wont turn on, green power light on


Hi you can inspect that what's wrong with your monitors. After you turned it on and the screen went black, you have to check that if you can see the image on the screen or not by shining a flashlight into the screen, not directly but find the best angle to the screen and take a look very closely. If you can see the icons or any image, there will be a minor problem. This is because of the lamps inside screen. Some of them were broken and it is very easy to replace. If you cannot see anything on the screen, there'll be some problems with inverter board. If you have soldering tool and want to fix it by yourself, check the caps first. It may cause this problem. Some caps might show leaking or burn spot on the board because of too high temp. If you don't have soldering tool, you better go get a technician to do so. Hope this help!! If anything I can help you with, feel free to let me know.
Thank you,

Mar 08, 2008 | IBM ThinkVision L170 17" LCD Monitor

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

1 Answer

Monitor sleeps after one second


Try connecting the wires properly. try changing the VGA cable. i had the same problem my screen goes black some times and pink i changed the VGA cable it was absolutely fine!!!
What is VGA cable
VGA Cables Adapters Converters and Devices C2G

visit a computer mechanic for further trobleshooting

Mar 17, 2017 | AcerView F51 15 in. Flat Panel LCD Monitor

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