手机用USB数据线连上电脑不能传输文件,是设置错误造成的,解决方法如下:
1、首先打开手机,点击桌面上的设置图标。
![](https://iknow-pic.cdn.bcebos.com/8b13632762d0f703ddb771a018fa513d2697c541?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、设置界面上点击我的设备。
![](https://iknow-pic.cdn.bcebos.com/21a4462309f79052c41aa3421cf3d7ca7bcbd541?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、然后再选择全部参数,在参数界面,连续点击MIUI版本项目七次,显示已打开开发者模式。
![](https://iknow-pic.cdn.bcebos.com/b7003af33a87e9504812171000385343fbf2b441?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、回到设置界面,点击更多设置。
![](https://iknow-pic.cdn.bcebos.com/adaf2edda3cc7cd91528d0a52901213fb80e9141?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、点击开发者选项,点击开启开发者选项,在跳出的对话框选择确定。
![](https://iknow-pic.cdn.bcebos.com/b58f8c5494eef01f8e11fcb9f0fe9925bc317d41?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
6、向上拖动,找到并点击USB调试,在跳出的对话框中选择确定。
![](https://iknow-pic.cdn.bcebos.com/71cf3bc79f3df8dc30386beddd11728b47102841?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
7、回到手机桌面,从屏幕上边缘往下拖动,拉出通知栏,点击正在通过USB充电这项。
![](https://iknow-pic.cdn.bcebos.com/d53f8794a4c27d1e2323dfb80bd5ad6eddc43841?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
8、选择传输文件(MTP)这项,就成功连上电脑了。
![](https://iknow-pic.cdn.bcebos.com/b151f8198618367af68d9ba13e738bd4b31ce542?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)