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Screen blank but when toggled you can see output on external monitor

\015 The screen is blank on an acer aspire 1640 you can plug a monitor in an toggle and veiw the screen. it gives an orangish flash on the screen any ideas. is it a screen change ? if so how?\015

Answers :

Sounds like the internal video card has a direct feed problem, it plays on external. while screen is hooked to external check control panel for main screen dianostics. You have to live with it untill it fails altogether. Internal video is starting to fail. time for new laptop
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