How to repair Windows7 system registry Corruption failure

system registry damage, with the U disk Boot repair failed, and with the Registry Repair tool hint found the corresponding DLL file, we can use the system backup registry file to replace the existing solution, the solution is as follows:

1, first with the Win7 system USB disk or CD-ROM start, and then open the Cmd window, in the Open Command Prompt window to enter the following command and then return;

C:windowssystem32configregback

2, and then use the Copy command to copy all the files in the directory to the C:windowssystem32config directory, the following command:

Copy c:windowssystem32configregback* C:windowssystem32config

3, after the reboot of the computer can repair the registry damage failure.