Pavilion dv5230us very dim screen

Hello, I have a dv5230us laptop running windows 7 Professional.  All drivers and updates are installed. At startup, the LCD is very low for maybe 10 seconds, then turns off, if you shine a flashlight on the screen, you can see the image is there, but very very small.  Connect an external monitor, the external monitor works fine.  I replaced the lcd screen and inverter without result Council.  Need ideas?  Thank you for your time.

It turns out, I bought a faulty inverter Board.  I tried a Committee of inverter of the work of the screen and another model, but I can't adjust the brightness upward or downward.  Expects the Commission to the appropriate converter now.

Tags: Notebooks

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