ubuntu11.04更新后无法启动win7

[xianfengLu]

grub2以前是中文的现在成了乱码，win7无法引导，用移动硬盘里的ubuntu10.04却可以正常引导 ，，，求解.........

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Ubuntu?Linux 2.6.38-8-generic
Ubuntu?Linux 2.6.38-8-generic (????)
Previous Linux versions
Memory test (memtest86+)
Memory test (memtest86+, serial console 115200)
Windows 7 (loader) (on /dev/sda1)
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??????????????????????????
???????????????????e ????????? c ????????

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选win7启动后显示：


???symbol not found: 'grub_divmod64_full'?
???symbol not found: 'grub_divmod64_full'?
???symbol not found: 'grub_divmod64_full'?
???symbol not found: 'grub_divmod64_full'?
???symbol not found: 'grub_divmod64_full'?
???symbol not found: 'grub_divmod64_full'?
???symbol not found: 'grub_divmod64_full'?
???symbol not found: 'grub_divmod64_full'?
???symbol not found: 'grub_divmod64_full'?
???no such device: 2E046E80046E4B43?
???no such disk?

??????...

另外ubuntu也经常停在登录界面无法进入桌面


求高手指教！！！！

[cem]

我的更新为11.04后，Grub中文显示也为乱码，很困惑。