Question about Zenith L17W36 17'' LCD Flat-Panel HDTV (Silver)

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Zenith L17W36 17'' LCD sync problem

The picture is all vetrical lines.

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Well !! my computer is 2 yrs old and there is a shade difference in the screen,a vertical line has appeared and the upper part of the screen has faded,the mouse is also not working on the upper part,it is...


You don't. From what i can tell, your screen is little more than expensive garbage at this point; your LCD is done. To verify this, plug the screen into a different computer. If your screen does the same thing, throw it out. But if you REALLY want it fixed instead of buying a new one, try replacing the LCD.

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Bad inverter or backlights.

cheaper to buy a new monitor

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Welcome to FIXya

did you try to unplug it and plug it back in
or maybe goto the menu and try to redo the stations

make sure you have the tv pluged in to a power strip

hope this idea helps out if not please let me know have a good day:)

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The key lock is a function that can only be reset with a remote. Go to www.zenith.com and under "support" you'll find product manuals. You can enter your model number and get the manual, but once "key lock" is on, you'll need a remote to change it.

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can u help me....

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ACER AL 1716


There are two types of lines.

Lines caused by a bad LCD screen and lines caused by poor sync.

A bad LCD will cause perfectly straight vertical and horizontal lines that don't move at all. This is because the row and column addressing ICs have gone bad, so you will end up with rows or columns of bad pixels.

Poor sync looks more like what you are describing. The picture will flip vertically and horizontally.

Poor or missing sync can be caused by a bad video cable, or a bad IC on the main board.

If the monitor has a removable video cable, borrow another one from a friend to test if the monitor is working. If it works, head to your local computer store and buy a new cable.
If the monitor still doesn't work with a different cable, you may have a bad main board. The only way to repair the monitor will be to replace the board.

If you open the monitor, be sure to check for bad capacitors. They can cause all sorts of strange faults. Look elsewhere on this site for how-tos on inspecting capacitors.

If your video cable is not removable, there's not much you can do. You will need a way to test that each pin on the cable connector on the main board conducts to a corresponding pin on the other end of the cable. You can do this if you have a multimeter, or a continuity tester.

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Check to see if you can find horizontal and vertical sync controls. These would typically be small knobs or screwdriver adjustments on the edge of a circuit board or at the back of the monitor chassis. Try adjusting the vertical sync....rotate the knob back and forth two or three times to "clean" it...then adjust to see if you can get the picture to settle down.

Aging electrolytic capacitors are the most common cause of symptoms like this. You'll need the assistance of an experienced electronics technician to find the exact source of the problem.

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I have seen this B4 here is a link that may help. http://www.wikihow.com/Fix-a-Stuck-Pixel-on-an-LCD-Monitor

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