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Posted on Jan 02, 2017
If it's still under warranty I would call for repair service. It sounds like typical internal power supply trouble that needs electrical troubleshooting.
Posted on Jan 12, 2007
SOURCE: LCD display Proview
I would look on the power supply board and check for any capacitors that are bulged or popped. They look like little barrels with a cross or 3 line star on the top. This is the vent and it should split before the capacitor pops like a firecracker or blows its top off like a bottle of shaken champagne. I bet you have 8 bulged or popped caps on the P/S and they can be replaced at about .30 cents a piece and a soldering iron. Just make sure you get the right farrad ratings, like 470 micro farrad and get them rated to 105c for heat resistance. Most are 25V but you can use the more common 35V safely. If you are going to toss the monitor in the trash, do yourself a favor and at least spend 30 minnutes looking into these. It may save your monitor. If the lamps even light for a few seconds, its not the lamps. If the inverter is bad, you would get no light. the starting of the lamps takes lots of voltage, keeping them going is about 1/4 of the start voltage so if they start, the inverter is doing its job.
Posted on Apr 08, 2008
While you have sound, take a flashlight and shine it on the screen, look very close and see if you can see a dark video image.
Let me know what you see.
Posted on Jan 08, 2009
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as you say that old speaker is working from the same tower means your computer is ok.
the problem is in speaker only.
plz chk that while shifting some wire must have broken or loose or speaker not connected properly.
ultimately chk connection.
Oct 17, 2007 | Gateway FPD2275W LCD Monitor
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