Question about Compaq Presario Notebook
If the screen is always and completely dark, but the laptop works on an external monitor, then you have a faulty inverter.
The inverter is the high voltage board that supplies power to the backlight system, and it is often located at the base of the display.
If there is no picture on external display, then the prolem is often the motherboard.
Posted on Sep 10, 2009
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Posted on Jan 02, 2017
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