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Hi ! When i turn my computer on my monitor dosen't turn on. It takes about 3 to 4 attempt before the monitor turns on.Please help me to rectify the problem

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In this 5V supply filter is faulty.replace it. it would b fine.

Posted on Sep 07, 2010

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Hi i am using viewsonic lcd VA1703WB monitor.i am getting a horizantal line in the middle of the montor.i bought the system in jan07.please give a proper advice to rectify the problem.


Hi,
The most likely cause is blown diodes in the screen.
You will have to take it to your local Viewsonic agent to check it out.

Best wishes,
Graemevm

Nov 13, 2009 | ViewSonic VA1703wb Monitor

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LG 710s monitor problem screen turns green


Your AUTO settings button is stuck in! Try tapping on it a few times. Otherwise you may have to take the frame apart so you can get at the button.

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SAMSUNG 56 V MONITOR DOES NOT TURN ON


1. change the 7805 reguletor ( cheak o/p voltage 5V comming or not )

2. solder the dry points in proccer , cristel

3. dry points in neck board.

Nov 17, 2008 | Computers & Internet

1 Answer

It dosen´t turn on


You mention that a switch is broken? I am assuming that you mean the power switch for the monitor? If so, then you can probably get the manufacturer and model, look it up on the web and order a new knob or switch from manufacturer. If this is not an option, then you will probably have to take the monitor apart to see what part of your substitute button is not touching, b/c what a button does it activate a special area on a circuit board that connects or disconnects power to its specificed area (where the button is sitting)

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Won't turn on


Could be a power supply issue. Maybe it's not getting enough voltage from the power supply unit. Could also be some bad solder points on the circuit board, or maybe a burnt capaciter.

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2 Answers

Monitor not working


if it is completely shaking then problem is in power supply filter ckt. 1 please check main filter capacitor. 2 check bridge rectifier diode for open. 3 loose connector in power supply. But if it is shaking on top then check for horizontal oscillator section. if you are not rech. person take the help of skilled tech. good luck.

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Monitor blanks out due to problems with internal power supply, have a quilified technician take a look at it, BenQ LCD monitors have 3 years warranty

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When it's turned on, the light on my monitor doesnt show any signal of power supply


I'm assuming that you mean the green indicator light is not on. This could be caused by a host of problems. Assuming that you know the AC receptacle is live by testing with a standard light the next step would be to unplug the unit and remove the back. Check the fuse for continuity. If the fuse is good you have a problem with the power supply or a short which is keeping the power supply from powering up. The most likely culprit is the Horizontal Output Transistor. Unless you are an electronic tech and know how to check this you probably need to take the unit to a shop for further diagnostics and repair.

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