Error loading operating system appears after an error occurs in server guard win7 (this error occurs when XP is installed on server guard)

This is mainly because the landlord used pe3.0 to install win7, and switched the C disk to win7. Failed. The system prompts that the partition cannot be located.
Delete the partition of drive C and then re-create the partition of drive C before re-installing the Operating System (this is mainly to cancel the information of the boot sector of win7 ); the next step is to install the operating system normally or use ghost to restore the previous backup. (It doesn't matter if the grid is not formatted. The installation system will automatically handle the formatting problem before installation)

Delete the MB reserved partition and the original C drive partition, recreate the partition, format the partition, and install