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Palm Treo 680 Smartphone
Problem for Palm Treo 680 Smartphone

Acer laptop




By dodgyrodge on Jul 31, 2008

" "
no backlight on screen
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Solution #1

posted on Jul 24, 2009
Not Rated)

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flipbooks

Rank: Wiz 
Rating: 85%, 50 votes
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.
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