When i plug-in my ac adapter its always rebooting itself but when i used batter

i have a toshiba a300 satellite laptop and this is my problem
when i plug-in my ac adapter its always rebooting itself but when i used batter its normal operation
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  1. stepjohn08 said:
    i have a toshiba a300 satellite laptop and this is my problem
    when i plug-in my ac adapter its always rebooting itself but when i used batter its normal operation


    Boot into safe mode (battery) and select Disable Automatic Restart.
    Shutdown, then Startup with AC Power & see what happens.

    You may have Possibly a defective AC Adaptor.
    :cry:
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