Laptop screen goes black on reducing brightness

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Saturday March 2, 2013
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Posts
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Saturday March 2, 2013
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hey, my acer laptop's screen goes fully black even on reducing brightness just a little and works with full brightness only.
any ideas?

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Wednesday October 8, 2008
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This could be either a problem with:
1. screen backlight
2. inverter that supplies power to the backlight
3. data/power cable from motherboard to screen
4. power supply circuit on the motherboard

None of these things can be fixed by the average home user. I suggest you find a qualified repair shop and have them give you an estimate. My guess it's the inverter.

Good Luck
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thanks