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忘拔U盘导致笔记本无法启动的解决措施

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　　相信很多用户都有这样的经历，在电脑上使用U盘的时候，关机前经常忘记拔U盘，有些用户觉得并没有什么大碍，但是就有用户关机后忘拔了U盘，导致笔记本无法开机启动，一直处在黑屏的状态，这该怎么解决？

　　忘拔U盘导致笔记本无法启动的解决措施：

　　1、以东芝本本为例，当出现上述故障时，先移除所有USB外设，开机后按F2键进入BIOS界面，切换到“Advanced”设置页，将光标移到“Boot Speed”上，将“Normal”改为“Fast”（如图1），再次接上USB外设，之后就能正常登录系统了。

　　

　　2、　有时，使用U盘启动安装系统后，也可能会出现开机无任何显示的情况，此时可进入BIOS设置界面，切换到“Boot”设置页面，会发现第一个引导设备为USB，将光标移至上面后回车（如图2），然后选择本机硬盘作为启动设备即可。

　　

　　3、为了方便用户使用，不少笔记本都设有开机引导设置的快捷键，例如明基笔记本在开机后，可以按F12键调出引导选项，然后选择对应的设备引导开机就可以了（如图3）。

　　

　　使用U盘后忘记拔U盘，长时间将U盘插在电脑上，下次启动笔记本电脑的时候很容易打乱开机引导顺序，引起系统黑屏无法正常启动，所以用户切记关机前要把U盘拔下来哦。

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