1、开机按DEL进入bios,选择Boot菜单界面设置U盘启动。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/908fa0ec08fa513ddf8c7452366d55fbb2fbd91c?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、启动优先级设备选择(Boot Device Priority)在第一启动设备(1st Boot Device)里选择U盘。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/a1ec08fa513d2697a3f510d15efbb2fb4316d81c?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、如果在图1的硬盘驱动器“Hard Disk Drives”里面还没选择U盘为第一启动设备,那么这里就不存在和显示U盘,如上图2所示,但可以选择移动设备“Removable Dev.”作为第一启动设备;
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/bf096b63f6246b601c68aaf8e0f81a4c500fa2d3?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、如果先在“Hard Disk Drives”里面选择U盘为第一启动设备,如图3所示,那么这里就会显示有U盘,那就选择U盘为第一启动设备,如图4所示。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/91529822720e0cf3df9156770146f21fbf09aad3?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)