1, the first user to determine, their own choice and purchase of the system disk is not a genuine system disk, if not genuine system disk, please win7 system users to start a genuine Win7 system disk after again select upgrade, believe that the use of genuine system disk, should not appear above the fault.
2, users in the upgrade time, but also need to consider their own computer hardware is not too old, although said Win7 for the computer hardware requirements are not very strict, but there is a certain basic requirements, so if the use of old computer hardware users, in order to ensure that after the upgrade, Win7 can be stable operation , it is better to be able to replace some of the computer hardware, such as CPU, video card or memory.
3, another point may be the user's upgrade method and upgrade steps have problems, for ghost Win7 system users, before the computer upgrade, on the installation of operating system or upgrade operating system steps and methods are not mastered, if they are not very operational, Then it is best to invite professionals to upgrade and install, so believe that the upgrade failure will not appear