1、开机后键盘指示灯不亮,按键无反应:键盘的熔丝烧毁。通常熔丝是设计在主板上标明为F1的部件,设置在主板键盘插槽的附近,为保护控制电路所设。按照标记检查即可。键盘的连接线头松脱或断裂。通常为接触不良,[详细]
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