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Ihave Acer 4530 and i have a flickering Screen when unplugged

\015 Hello,I have an Acer 4530 and i have a flickering screen when i remove from the power but when it is plugged back to power it works fine.Please do help me.I have checked with acer tec support and they said that i need to update BIOS.So i did update of Bios with 3334 but did not work and now they say say that i have to update 3335.well did the same but still no use.Kindly help me \015

Answers :

K they're thinking its, a cpu causing the flicker, if they're saying to upgrade the bios. It may either be a bad video card or the monitor is going out.
Sounds to me like your battery is not putting out the correct voltage and the screen is fluctuating with the voltage difference.
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