笔记本不开机、开机无反应、指示灯亮屏幕无显示、开机自检停滞,液晶屏不小心碰碎或主板意外进水 ,老本升级;
2 主板故障:笔记本死机、笔记本时亮时不亮、不认硬盘、不认光驱、不认键盘、不认鼠标、不 能联网,单用电池不能开机;
3.解除开机密码、BIOS密码,解除各类开机报错(如IBM 0175报错等;
4.显示类故障:花屏、暗屏、屏闪、屏幕亮线、亮带或开机不亮;
5.电池类故障:电池不充电、电池不放电、使用电池不能开机、电池供电时间缩短;
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