Question about HP Pavilion Ze4805us Notebook
Video problem. When you first turn on laptop, you see initial HP screen then goes black. Ext monitor works. I found if I press the switch that is activated when closing display lid and release it, I see screen display for a second or two.
Most likely it is either a bad lcd inverter, due to the fact that you have clear picture on an external monitor. The inverter reduces the voltage coming from the motherboard to a lower level in order to power the lcd and the backlight. If this goes bad then you either get a picture randomly, a dim picture, or no picture on the lcd.
Posted on Feb 06, 2010
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Posted on Jan 02, 2017
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