目前,我有 Windows 7,我需要更改为 ubuntu 16.04。我在我的 U 盘上制作了一个 USB 可启动设备。我正在安装 ubuntu 操作系统,所以 rufus 工作正常,但现在的问题是
Your installation cd-rom couldn't mounted. This probably means that the cd-rom was not in the drive. If so you can insert it and try again.
我安装时卡住了
请帮帮我我该怎么办?