Wubi 9.10 grub启动问题

今天早上把小本的ubuntu更新了下，然后就关机回学校了。谁知道到学校发现重启后grup出现黑屏，并有如下提示： Minimal BASH-like line editing is supported. Fot the first word, TAB lists possible command completions. Anywhere else TAB lists the possible completions of a device/filename. grub> 上网本的ubuntu是win7里用wubi安装的，然后我什么百度 GG了下，发现这是由于grub2的一个bug造成的，具体描述为 “To be able to boot Wubi, Grub2 has to access the ntfs partition which is hosting Wubi. There is a bug in Grub 2, which prevents [...]