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My monitor showes for a split second then goes black

When I turn on my monitor it showed for a split second then the screen goes black.

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First, can you attach another monitor to the computer to check to see if it works?

If it does, then your monitor is going bad. Possibly the power supply.
If a second monitor acts the same way, then it's your video card.

Posted on Dec 10, 2009

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Posted on Jan 02, 2017

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1 Answer

Screen shows for 2 seconds, then black, power button still on


You could have an inverter problem or a faulty CCFL lamp/s.
For service, parts and DIY info I found LCD Parts helpful, use this link to get to their WEB site :-
www.lcdparts.net

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Could be a power issue. If it doesn't show anything at all then that may be the case. It may also be the display itself. It would be a costly repair so you might be better off finding a new monitor.

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The l226wtq goes black


Try shining a flashlight on the screen, or without the flashlight, try to see if you can distinguish anything on the screen at all, if you do, the backlight is dead, or the monitor has an internal most likely unfixable problem.

May 01, 2009 | Computers & Internet

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Apr 26, 2009 | Computers & Internet

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


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.

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3 Answers

Black Screen


No, this is typical problem for defective inverter. Mostly screen appears for some seconds and then turn to black. If you are technician, you can use this link :-).
http://www.lcdrepair.us/1702inverter1900x.html

Oct 01, 2007 | Dell 1703FPs 17" TFT LCD Flat Panel...

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RE:monitor goes black


Monitor going black after a few seconds can be causd by a faulty power supply or inverter. Some monitors have both as one unit.
Sometimes it is basic failed capacitors, After that then I would look at transistors.
The average monitor from 17 to 20 and sometimes the 22s have usually 4 bulbs in them. One bad bulb will also cause the inverter to not fire up.
Bad bulbs usually show pinkish tint, or flickering or are dark at center top or bottom of the display.
ebays bammbammfran

Sep 21, 2007 | Acer AL2017 20" LCD Monitor

1 Answer

Bank Monitor problems


Unplug the cable from your PC, if the monitor shows a test image, the monitor is fine and the problem is with your graphic card. If you dont see nothing on-screen after unpluging the cable from the PC, then the monitor in damaged. Send it to repair.

Jul 09, 2007 | Dell E193FP 19" LCD Monitor

1 Answer

Screen turns black


problem with the inverter chek it

Mar 18, 2007 | Daewoo L700C 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

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