重装系统用英语怎么讲？急用！

如果无法成功升级，无论如何都不要重置系统，但可以再尝试作一次升级。
If for any reason it is not successful,do not reset your system,but try the update again.
欲重置系统，选择Setup，向下移动亮条至
To reset your system,select setup,move the highlight down to reset system

again to install systematic

reinstall the system