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U盘写保护的原因及应对措施

更新时间:2026-08-19 11:03:40 | 编辑:折枝 | 信息来源:互联网

  朋友在使用U盘时被提示U盘写保护了,这该怎么办呢?不能复制、不能粘帖,不能格式化,也不能删除,几乎是不能操作的,这是怎么回事呢?U盘为什么会被写保护呢?一起来看下高手是怎么分析这原因以及解决技巧的。

  一、U盘被写保护的原因:

  U盘写保护是专门为防病毒而设计的,如果要解除写保护,上面一般有一个可以拨动的键,调试一下就行了。但是没有写保护开关,而你的U盘却提示写保护了,那就是你的U盘自身问题了。

  二、解决写保护U盘的方法:

  1、查看U盘存储的文件数目;

  U盘通常格式的是256个,如果超过限定额度而导致U盘出现问题是有可能的。所以,查看该U盘的根目录下的文件数目是否达到最大值,是很有必要的。

  2、查看U盘中是否有不正常的驱动程序;

  选中我的电脑—属性—硬件—设备管理器—通用串行总线控制器,查看所有项目是否全部正常,如果有不正常,则需要更新驱动程序。

  3、设置电脑

  如果测试后发现U盘写保护只是在某特定电脑内显示,在其他电脑则是正常运行,这就说明U盘本身没有问题,是电脑的故障。具体步骤如下:

  1.开始—运行—输入regedit—确定;

  2.找到HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Control和HKEY_LOCAL_

  MACHINE\SYSTEM\ControlSet001\Control\这两项,在这两项里找到StorageDevicePolicies这个子项,设置WriteProtect值为0;

  3.找到HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\StorageDevice—Policies,新建一个DWord值,命名为WriteProtect,设置其值为0;

  4.重启计算机,插入U盘即可恢复正常。

  为了防止病毒侵袭U盘,破坏U盘数据,有时候会对U盘写保护,虽然这一方法能够很好的保护U盘数据,但是却对用户的操作带来了很多阻碍,希望上述的解决技巧能帮助用户解决U盘被写保护的烦恼。


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