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    acer extensa 4220 upgrade to t2390

    Discussion in 'Acer' started by rmel, Oct 7, 2016.

  1. rmel

    rmel Newbie

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    hi all i have a small problem i have an acer extensa 4220-200508mi. I have upgraded cpu from intel celeron 550 to t2390 but unfortunately it sudenly shut down after booting to os! Anyone pls help!