Computer boot up error:no such partition Grub rescue

First, the problem appears the description

1. The existing system on desktop computer is XP and ubuntu11.10, intend to install Win7, the former partition is not ideal, want to repartition.

2. Completely format the partition where the ubuntu11.10 is located, restart the computer, black screen. Displays error:no such partition grub rescue> on the screen

Ii. Problem-solving methods

1. Download the effective WINPE:WINPE launch U disk Toolbox Winpeu.rar

Function Description: Universal PE Toolbox is a very suitable for network management, installed personnel to use multi-functional WinPE system maintenance Toolbox, support Win7, support SATA hard drives.

WinPE is fully operational in memory in the Windows system kernel, with Windows interface, easy to operate, easy to get started.

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When you use it to start your computer, you can use the tools that come with it to partition, format the system disk, disk cloning, crack the power-on password, restore the hard disk data, install the operating system and so on a series of daily emergency maintenance work.

2. WinPE to start the production of U disk

(1) First U disk into the computer USB interface (Important note: the production process U disk will be formatted, pay attention to backup data).

(2) Unzip the downloaded Winpeu.rar file.

(3) Open the UltraISO.exe program in the Winpeu.rar decompression directory.

(4) in the Open UltraISO program interface, double hit open winpe.iso disc image file; then select "Boot CD" "Write Hard disk image" from the top menu.

(5) in the "Hard Drive" project, select the disk you want to make into a startup disk (software default u disk);

(6) Select "Usb-hdd+" or "Usb-zip" in the "Writing Mode" project (try to select, valid);

(7) Finally, click "Write", wait a few seconds, prompt "Burn success", the point "back" exit.

3. Start Computer from U disk

(1) First u disk into the USB jack (preferably inserted in the back of the host USB interface, and other USB devices temporarily unplugged)

(2) Reboot the computer, enter the BIOS setup (press "Del" key to enter the BIOS setup)

(3) Find out where to set up the computer to start, such as "Advanced BIOS Features" or "Boot Device Priority", etc.

(4) Set USB disk as the preferred starting device.

Different motherboard BIOS set U disk for the preferred boot device approach and method:

① do not have to enter the BIOS to modify the settings, on the boot when the F8, such as the function key, directly choose to start the computer from U disk. Some computer motherboards support this option, but most motherboards are not supported and need to go into BIOS modification settings. Computer support, you can try different function keys to try.

② into BIOS modification settings, choose to start the computer from U disk. This is divided into two situations:

One is without the hard drive boot priority "Hard disk boot Priority" option, directly in the first boot device "" "" "" "" "" "" "" "" "" Boot Device "SELECT from the U disk;

The other is the existence of a hard drive boot priority "Hard disk boot Priority" option, you must choose here to select a U disk as a priority device, the computer is a U disk as a hard drive to use; Then, in the first boot device, "Boot Device," Select from the hard drive " Hard disk "or from the U disk boot.

③ some motherboard bios, in "the" "Device" Without U Disk "USB-HDD", "Usb-zip" and the like options, we choose "Hard Disk" can start the computer, and some BIOS here have u disk "USB-HDD", " Usb-zip ", we can choose either" Hard Disk "or" USB-HDD "or" usb-zip "options to start the computer.

4. Rebuilding MBR

After entering the desktop, find the hard drive management, the toolbar found on the "rebuild MBR", pull out the U disk, reboot, will re-enter the previously installed system.

Author: Cnblogs Fei van