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Acer aspire laptop screen going blank

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need help with this acer 8920g the screen goes blank after a couple of minutes on so i replace the inverter that i bought in ebay for $11 it work for a couple of days then died i got a replacement now this one if the laptop is plug in the charger and i turn it on it will work great. but if i turn it off and unplug from charger and turn it on only on battery it will work ok for a couple minutes then screen goes blank you can still see the picture in the back if you flash a light on the screen, no matter how many times i reboot it will start ok then screen goes blank. so since i bought this for so cheap i bought another inverter from ebay used in good working conditions, i install it then turn laptop on and blank screen you can still see the picture if you flash a light on the screen. my question, ?is it possible that all three inverters are defective or is there something else wrong with my acer 8920g?

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While it is possible that you have received 3 bad inverters, it is unlikely. The bulb on the inside of the screen itself could be failing. If the bulb is bad/failing, the screen will need to be replaced. A decent computer repair shop will be able to tell you the problem is with 1) The inverter, 2) The backllight/screen, or 3) The motherboard.

ratedk said:
While it is possible that you have received 3 bad inverters, it is unlikely. The bulb on the inside of the screen itself could be failing. If the bulb is bad/failing, the screen will need to be replaced. A decent computer repair shop will be able to tell you the problem is with 1) The inverter, 2) The backllight/screen, or 3) The motherboard.



great thanks i guess i only have the bulb or the mother board problem to worried about i am waiting for my third replacement after that I'm going to the shop it suck because they charge $50 just to diagnose the problem and they still cant tell me exactly what it is. thank you so much
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