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大家好，我是ubuntu的个新手， 我有两块一盘，第一快安装了win7，现准备学习ubuntu，于是光盘安装了ubuntu10.04到第二块硬盘上，于是在重启后无系统选择出现。。。

按照网上的说法，在终端输入 sudo update-grub 发现 grub 根本没有找到win7系统 :
Generating grub.cfg ...
Found linux image: /boot/vmlinuz-2.6.32-22-generic
Found initrd image: /boot/initrd.img-2.6.32-22-generic
Found linux image: /boot/vmlinuz-2.6.32-21-generic
Found initrd image: /boot/initrd.img-2.6.32-21-generic
Found memtest86+ image: /memtest86+.bin
ERROR: nvidia: wrong # of devices in RAID set "nvidia_bfgcebad" [1/2] on /dev/sda
done
Generating grub.cfg ...
Found linux image: /boot/vmlinuz-2.6.32-22-generic
Found initrd image: /boot/initrd.img-2.6.32-22-generic
Found linux image: /boot/vmlinuz-2.6.32-21-generic
Found initrd image: /boot/initrd.img-2.6.32-21-generic
Found memtest86+ image: /memtest86+.bin
ERROR: nvidia: wrong # of devices in RAID set "nvidia_bfgcebad" [1/2] on /dev/sda
done

麻烦各位达人，有知道解决办法的没？

感激不尽！！！ 谢谢

双硬盘，应该是RAID出错，简单的方法是拔掉win的硬盘，然后参考以下
viewtopic.php?f=139&t=273994

试试看～