Win7 shows how to solve the damage of cdmsnroot_s.sys file?

Users experience various problems during the operating system. A user has reported that the system prompts cdmsnroot_s.sys that Windows cannot be loaded due to missing or corrupted critical system drivers. So what should I do if this problem occurs in the Win7 system?

1, the first advanced hard disk delete c: /windows/system32/drives/cdmsnroot_s.sys, enter a pe select u disk system.

2, can not delete the cmd run command chkdsk c: /f no longer is the c drive damaged, another matter:

(1) note the drive letter, must be a problem Computer system disk, or else it can't be solved.

(2) Note that the parameter /f, must be all permissions, read and write permissions to repair, /f means read and write repair, if you do not have this parameter, you will encounter this problem.

3, it is best to run this command again in the system after booting.

The above is a solution to the damage of the cdmsnroot_s.sys file in the Win7 system. Users who encounter this problem can use the above methods.