分类：电脑/网络
问题：这是什么问题笔记本每次开机都会出现这个画面：warningthe 
 每次开机都会出现这个画面：warning the ac adapter type cannot be datermined,this will prevent optimal system performace,please check ac adapter conmect properly,removeac adapter and plug-in again,thanks,press<f1>to contnue.......press<f2>2times to enter setup 每次开机都会出现这个画面：warning the ac adapter type cannot be datermined,this will prevent optimal system performace,please check ac adapter conmect properly,removeac adapter and plug-in again,thanks,press<f1>to contnue.......press<f2>2times to enter setuppress<f12>and any key to enter boot menu
回答：AC电源出问题了，也可能是接触不良。