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Back light - Computers & Internet

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Hi yoyoman2,

The inverter needs to be replaced.

Good luck.

Posted on Jul 24, 2008

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My dell pc model dcslf will not power on green light on back is on and orange light inside is on


you could try opening the case after unplugging the power from the wall, then disconnect power supply from the Motherboard. then hold the pc power button in until the green back light and orange light go out. then reconnect power supply to motherboard. Plug the power back in to the wall and see if the pc turns on. Hope this helps

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the green light flashing on the backside is your internetconnection.
about the computer wan't start i should check the PSU do the fan movs any light on the motherboard.if not is the electric cord firmly and tight in place.if the fans runs and lights on the motherboard.you got no picture proberly brooken videocard.

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My vaio wont turn on and the green light in the back keeps blinki


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If the screen is dim it means the back light needs to be replaced. The back light is what lights up the screen so it is easy for you to read everything on it.

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Monitor goes black but the green light stays on. I turn the power button off and then back on and it comes back on. It may stay on for a few seconds to several minutes.


Check to see if the image is Dimmed. Chances are the power supply on the FPD is either dead or not supplying power to the back lights.

Your problem is the back lights are not being powered. There is a signal going to your FPD because the power light remains on green, but the back lights are what helps support an image from the Front Panel Display.
The only way to fix this is to open it up.

If its got 3 boards inside((logic-->video, Inverter, Power)) The problem is the Inverter. Replace it.
The inverter is the board that supplies power for the backlights to turn on. The backlights
provide a light.for the LCD Panel(provides color and is the logic. ... similar to a projector.
If its got 2 boards inside ((Logic-->video, Power)) The problem is the power supply. The inverter is embedded onto it.

Simply replace the part with a known good one, and you got a spanking new monitor.

Sep 18, 2008 | Computers & Internet

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My toshiba SatellitePro series 4200 backlight doesnt work


From my experiences, it is either the back light or the back light inverter. Both are easily found on the net and are a pretty reasonable price to get your laptop back in working order. The inverter is rather simple to install, the actual back light you will need minimal soldering experience.

Try http://www.lcdparts.net/ for the parts.

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My screen is to dark


I am assuming this is an lcd. Usally when a screen goes dark the back lights are not lighting. This can be caused by
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If the monitor is a CRT, first, attempt to degauss it. if that fails then the cost of repair would exceed the replacement cost.

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