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L19wa monitor After my monitor has been on for a couple of hours i get this hissing sound & the screen has flickering lines going up & down it. Initially i can stop this by runnig through the picture mode options i.e txt or economy & then back to picture mode but after a while this doesn't help anymore. My monitor is about 4 yrs old. Any ideas what the problem might be?

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  • Master
  • 3,799 Answers

It could be your sound cable is detached. it could be the inbuilt amplifier has failed.

Posted on Apr 24, 2013

Testimonial: "Hi thanks for the advice but have checked sound cable & it's attached & built in amplifier is working fine."

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Posted on Jan 02, 2017

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bronk50
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SOURCE: my screen is flickering since

One bad lead can cause a computer to continue on a cycle or to shutdown or fail to detect your hard drive

Test all leads that attach to your hard drive including electrical extensions IDE,SATA

the leads from your "((motherboard to your hard drive))" make sure they have a secure connection and are not faulty or just replace them there probably old and faulty

make sure all leads that are attached to your drives dvd\cd 3 1/2 inch floppy have secure connections and are not faulty even the electrical extensions or just replace them they could be faulty a computer needs its connections to continue its cycle and have an end so any faulty leads will end up with a computer error If your computer came with a motherboard disc the drivers could be on it or you might have a dirty graphics card remove the graphics card and clean the socket

hope this helps

Posted on May 08, 2011

  • 6771 Answers

SOURCE: Two nights ago, my SyncMaster

The life span of most monitors is 3 to 5 years, it would be cheaper in the long run to replace it with a new one.

Posted on Jun 07, 2011

bronk50
  • 27725 Answers

SOURCE: The monitor doesn't have sound


click start control panel sounds and audio devices select advanced there might be a tick in the mute box untick it or select audio from the microphone drop down list make sure you have the right one selected and in the volume box make sure the microphone box has a tick in it or select the voice tab and make sure that you have the right media selected also select volume make sure the box for microphone has a tick in it
click start control panel sounds and audio devices select advanced there might be a tick in the mute box untick it:
if your computer came with a motherboard disc the sound drivers could be on it:
click start control panel administrive tools computer management device manager scroll to sound,video and game controllers you might see a yellow question mark? Right click to reinstall drivers
click start control panel sounds and audio,volume,advanced,speakers make sure you have selected the
(((appropriate speakers))) also audio you will find 3 drop down lists make sure you have the correct settings there
also
click start control panel sounds and audio devices select advanced there might be a tick in the mute box untick it
click start control panel sounds and audio devices you can adjust the volume there also select speaker volume you can change your settings there you can also tick in the box place icon in taskbar
if his does not fix the problem
click start control panel sounds and audio,volume,advanced,speakers select the appropriate speakers from the drop down list or navigate to the device manager scroll to system devices + to expand,system speaker right click properties then select use this device (enable) also you might check
the speakers plug/outlet is usually at the back of the computer you will have to open up the computer to check the lead attached to the rear of the input plug make sure the connection is good
try cleaning your computer of dust using a fine air blower from a compressor making VERY sure that there is no MOISTURE in the air line specifically around the sound card and the CPU central processing unit dust causes static to build up in a computer hope this helps:

Posted on Jul 07, 2011

Ezrahite
  • 2632 Answers

SOURCE: laptop starts but doesn't get

Hi,
Welcome to Fixya. I would like to verify when you said that it won't pass the start up screen is it the POST Screen the black screen with the information of the unit or the Windows loading screen? Do you have an error message? Please provide the information needed to be able to fix the issue.
Thanks

Posted on Aug 11, 2011

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Dotted lines across the top of the screen and flicker in other video ports.


If you wish to get some details; visit the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.

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screen is going bad which is why its flickering and has the lines across the screen. Theres a board behind the lcd and when that doesn't process the voltage properly it can cause the screen to flicker. White lines across the screen means the screen is going bad. At this point unless your monitor is under warranty, go ahead and replace it.

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Hi, I have a V7 L19WA - 19" widescreen monitor.


The fact that you can see a faint picture indicates that the monitor is working but the backlight circuit has a problem. The typical failures are blown transistors or bad capacitors. This can be troubleshot if you know how to unsolder and check the components with a meter. Don't know how technical you are, but if you are not, you could take to to an electronic repair service to fix. Hope this helps you.

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Monitor flickers, similar to a fluorescent light bulb that is going out. Also, there is one line on the left side of the screen, going up and down, that changes color, but it comes and goes. I thought...


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If there's a "brick" listen to see if the hissing is coming from the monitor itself or the brick. If the hissing is coming from the brick you may just need a new power adapter.

If there's no brick or the hissing is coming from the monitor, the monitor probably needs repair. With the price of LCD monitors these days compared to the price of labor, you're probably better off getting a new LCD monitor. Just make sure you take your old one to a proper E-Waste facility so it doesn't pollute the environment.

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Hi, I have a problem with


The high voltage (HV) flyback transformer is a very possible cause of this. This could be repaired by a qualified technician, but the cost may not be worth it. New 17" monitors can be acquired for free sometimes (think craigslist)

Mike

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