Question about Palm Treo 680 Smartphone
This is probably caused by a bad "inverter" board inside the screen housing.Don't worry they are relatively inexpensive and easy to replace.
However, some laptops have a failure on the motherboard which causes the backlight to go out,because the inverter,which powers/controls the backlight,depends on power and a PWM signal from the motherboard.
Backlight problems are almost never caused by the backlight itself.
Posted on Jul 24, 2009
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Posted on Jan 02, 2017
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