光盘安装7.10无法完成

[thomsi]

光盘安装7.10,启动后出现几个错误报告，如下：
启动时出现 43.32344 Buffer I/O error on device fd0, logical block 0
进入桌面后
Sorry.the program "gnome-screensaver" closed unexpectedly
if you were not doing anything confidential (entering passwords or other private information),you can help to improve the application by reporting the problem
Ignore future crashes of this program version

进行安装配置都正常，到［正在安装系统］窗口，进度条到15％ 正在扫描文件... 就没有动静了，系统能正常使用，安装不能继续，不知道问题出在哪里，郁闷阿

启动的时候有出现