Question about HP Pavilion DV2620US Notebook
1. Test using an external monitor. If it works, then either the screen bulb or the inverter board might be defective.
2. Test the inverter board. Easiest way to do it if you have a good screen with a good bulb. Connect the good screen to the inverter board & test it. If it lights up, then the inverter board is good. If it did not, then the inverter board is bad & needs to be replaced.
3. If the inverter board is good, then we are left with the possibility that the screen bulb is bad. To fix this, we will need to replace the LCD screen.
Posted on Sep 30, 2010
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Posted on Jan 02, 2017
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