grub rescue unknown filesystem all partitions

sometimes fails. To reassign a partition by command at the command line Because in rescue mode, only a small number of basic commands are available, a certain operation must be done to load the module, and then enter the normal mode; The commands that can be used in rescue mode are: Set,ls,insmod,root,prefix (setting the boot path); The command explanation in

Ubuntu boot fix: for grub rescue | grub not found | unknown filesystem type error, grubfilesystemIntroduction Ubuntu is usually guided by grub. Grub is divided into

The Acer bought a notebook, with the original Win7 family version of the system, later installed Win7 flagship version, and then play Ubuntu, notebook to bring 3 systems. In order to expand the flagship version of the system disk space, the original system Acer disk to the grid, merged into the flagship version of the system disk. Not thinking too much, direct formatting. Who knows, after reboot, appear Error:unknown filesystem, also have

, which is too slow. Therefore, I have merged drive F and drive E. I want to reinstall Windows 7, so I formatted the Ubuntu Installation File. However, when you reinstall Windows 7, the following information is displayed: Error: unknow filesystemGrub rescue>How can I solve this problem after multiple restarts? Related methods are found online. Here is a similar blog: solution: XP and Ubuntu dual-system, directly deleting Ubuntu causes XP to fail to be

I am a ubuntu11.04 and 2win7 dual system that uses Acronis disk Director suit to partition non-system disks under Win7, and then restarts when they are complete:Error:unknown filesystemGrub Rescue>Workaround:Http://wenku.baidu.com/view/c71a1812cc7931b765ce1563.html, it's a force!My specific steps;To view partitions:Grub Rescue>ls....Find Ubuntu Partition:Grub Rescue