Win7/win8 2 Things to note before you want to uninstall the WIN8 system under two systems

1, to understand the starting principle of dual systems

1 first to understand how the operating system is guided, and then the WIN8 system to clear the boot file first, the computer opened, the system into the self-test, the computer will be based on the set up the sequence of start-up;

2 first start Bios,bios start to read the master boot record into memory, and the control to the main boot file, and then read the partition boot record, boot manager file, if the computer contains a dual system waiting time is not 0, will display the Boot Manager interface, then you can choose the system to enter;

3 on the need to uninstall the WIN8 operating system, the first need to clear the boot file on the WIN8 system records, so that the WIN8 operating system can not run, in order to successfully uninstall the WIN8 system, that is, the need for the WIN8 operating system in advance of the boot record to modify accordingly.

2, keep the required data

If in the process of using a computer, when all the software is installed on a non-system disk, this requires a small amount of data to keep, usually need to keep the data for e-mail information, fonts, browser favorites, QQ and other chat tools important records and save in the system disk important folders.