Question about Acer AL2032WD 20" Flat Panel LCD Monitor

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Acer AL2416 LCD

I purchased a used monitor which when turned on is perfect and within a few seconds the screen switches into horizontal interference. when turned off and back on the same happens, any suggestions what might be wrong and how to repair-Thank you

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Re: Acer AL2416 LCD

About a year ago I encountered the same problem with an LCD flat screen. It turned out to be a bad driver board but the customer did not want to spend the money to repair it. A good computer repair shop should be able to fix it for you. would be a good place to start.

Posted on Jun 22, 2006

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Monitor displays the PC screen but switches off within 10 second

Unfortunatley your monitor is going out. I just had that problem. My sceen would come on, but after about 10min. it would blink off and turn black. I would have to hit the off button on the monitor, then turn it back on. It would work fine for a few minutes then black out again. I got a new/used monitor where I no longer have that problem.

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22" Acer flat screen monitor


this sounds like an electrical fault or failing component, within the Monitor.

Check the cabling, to ensure it,s not damaged-broken-kinked et,c. by carefully moving the cable gently side to side and up and down.
If it puts itself right for a second or two. you can assume its a broken internal wire, within the lead.
Or a dry soldered joint-Connection.

Mike @ compurepair.

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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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1 Answer

Horizontal banding that looks like Interference

i would take this in for a service check could be issues that need resolving from a service standpoint not a simple driver or resolution fix

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