Question about LG L1717S-BN 17" LCD Monitor

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LG L1717S has no light

My L1717S monitor turns on for a split second and then goes dark again, but it still shows what it is supposed to show just very , very dark (you can only see in bright light at an angle). The power on light is green. I opened up the plastic base but could not find a way to open the screen it self. It did turn on normally one time but even then it only lasted for something like 10 minutes.

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Hi, this is a common problem. One thing you want to observe is that the screen works, what's going on is that the screen LCD illumination doesn't work while the screen display is active. LCD's have screen lamps behind the screen, they are often called CCFL, (Cold Cathode Flouroscent Lamps). The inverter board in the monitor supplies High Voltage power to the lampls, so the colored wires should lead you to the lamps. This is the problem causing the screen to dark. You can research the model lamp type for an accurate replacement. Usually there are 4 or 6 lamps in LCD Monitors.

Posted on Apr 23, 2009

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Posted on Jan 02, 2017

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