今天我为我的笔记本电脑下载了 Ubuntu。它从可启动的 USB 运行良好，但是当我尝试安装它时，我收到以下错误消息：
The installer encountered an error copying files to the hard disk:
[Errno 5] Input/output error
This is often due to a faulty CD/DVD disk or drive, or a faulty hard
disk. It may help to clean the CD/DVD, to burn the CD/DVD at a lower
speed, to clean the CD/DVD drive lens (cleaning kits are often
available from electronics suppliers), to check whether the hard disk
is old and in need of replacement, or to move …