华为手机不打开USB调试连接电脑的方法步骤如下:
1、首先,在电脑上安装华为的最新手机助手。
![](https://iknow-pic.cdn.bcebos.com/8c1001e93901213fabc527875ae736d12e2e95f2?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、安装完成后,然后,将手机用数据据连接到已经安装好手机助手的电脑上。
![](https://iknow-pic.cdn.bcebos.com/5ab5c9ea15ce36d33addea6b34f33a87e850b194?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、然后,在手机上点击进入“设置”页面,并在页面中的搜索栏中输入“HDB”。
![](https://iknow-pic.cdn.bcebos.com/1e30e924b899a901fe19336d13950a7b0208f5b9?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、然后在搜索结果中,选择进入“允许HiSuite通过HDB连接设备”。
![](https://iknow-pic.cdn.bcebos.com/9e3df8dcd100baa1943a2fe04910b912c8fc2e52?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、在打开的页面中,找到“允许HiSuite通过HDB连接设备”选项,并打开其后面的开关。
![](https://iknow-pic.cdn.bcebos.com/faf2b2119313b07e31c4385302d7912397dd8c74?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
6、这时,电脑上的手机助手,就会出现提示,要求你按照提示操作,完成手机上的助手客户端的安装。
![](https://iknow-pic.cdn.bcebos.com/377adab44aed2e732e21ee778901a18b86d6faa5?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
7、然后就可以成功连接手机和电脑了。
![](https://iknow-pic.cdn.bcebos.com/f603918fa0ec08fa94de7bfc57ee3d6d54fbda8b?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
这样就解决了华为手机在关闭USB调试的情况下手机连接电脑的问题。