Warning: Use of undefined constant title - assumed 'title' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/data/tmp/tempnews1.php on line 152 usb无法识别怎么办?详细教您浏览usb如何不用工具修复
- 分类：win8 发布时间： Warning: Use of undefined constant newstime - assumed 'newstime' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/data/tmp/tempnews1.php on line 156 2017年11月20日 10:02:37
所谓USB，是连接计算机系统与外部设备的一种串口总线标准，也是一种输入输出接口的技术规范，在我们的生活中，被化为了MP3，U盘，usb音响等使用usb设备也会发生各种各样的问题，如，插入USB设备时，会被提示usb无法识别，下面，小编就来解说一下解决usb无法识别的办法。
usb设备已经跟我们的生活，工作息息相关，它的出现给我们带来了巨大的方便，但是使用久了，就会出现一些故障，这其中包括软、硬件，例如usb出现无法识别，那该如何解决这个问题呢?很多用户都不知道该怎么办，下面，就来和小编一起来看看解决usb无法识别的方法。
usb无法识别怎么办
按“win + R”打开运行，输入“regedit”，回车。
驱动电脑图解-1
打开“注册表编辑器”窗口，在左侧注册表树窗口依次展开以下分支：
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E967-E325-11CE-BFC1-08002BE10318}
usb电脑图解-2
在右侧窗口删除掉“UpperFilters”和“LowerFilters”键值。
usb电脑图解-3
硬件原因分析
1、BIOS禁用了USB设备(进入BIOS，将“Enable USB Device”修改为“Enable”)。
2、前置USB线接得不正确(试试后置的USB接口)。
3、USB接口电压不足(换个接口试试看)。
4、主板和系统的兼容性问题(尝试刷新一下BIOS)。
5、USB设备本身已损坏(这个到另一台计算机进行测试即可马上知晓)。
6、USB驱动程序问题(如果上面的方法还是不能解决您的问题，那么请到设备生产商的官方网站下载最新的驱动程序进行安装)。
关于usb无法识别的解决方法，小编就讲到这里。
上一篇：
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usb驱动安装不了怎么办,详细教您直接使用软件进行修复
下一篇：
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最新硬盘坏道检测工具 详细教您使用最好的修复系统软件
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