Acer aspire laptop screen going blank

[david14300]

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?

 

[ratedk]

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.

 

[david14300]

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

 

[ratedk]

Well, you've gone this far with it... Here's a nifty tool and the price is right...

http/www.ebay.com/itm/CCFL-Tester-LCD-TV-Monitor-Laptop-Screen-Repair-Backlight-Lamp-Test-MAX-700mm-/160702217893?pt=LH_DefaultDomain_0&hash=item256a993ea5

This allows you to bypass the inverter, and plug in the bulb directly to confirm that the bulb is bad.

 

[Brett928S2]

Best answer selected by Brett928S2.

 

[Brett928S2]

This topic has been closed by Brett928S2