推荐回答（3个）
你好，很高兴为你回答；
因为不知道您用的什么品牌的电脑，现在只能根据自己所得的经验给你一些参考。
1.外置鼠标垫换个好点的鼠标垫。
2.笔记本触摸板进水、、、、
3.系统问题。
要是还不行，那就是触摸板（UltraNav）驱动的问题。
1，安装，联想笔记本，UltraNav鼠标驱动程序和
UltraNav辅助程序这两个才可以的。
2，若还是不行，再安装电源管理器程序，和热键驱动安装就可以了。
希望可以帮到你，解决你触摸板不能关闭的问题
如果F6是鼠标的开关的话。那么就是Fn的驱动没装好。你去下载你笔记本原装的Fn驱动安装好就可以了
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