Friends installation system have some problems in the past two days, I find to assist (a friend is a small white), I put the record in which some of the problems, for later reference installation system,
With the notebook, is only a piece of mechanical drive, the BIOS has a legacy and uefi two launch modes,

Problems for the first time, always go back to when starting installation interface:
With PE installed, with the Windows 10 professional version, use the UEFI + guid way), but always return to restart installation interface, restart when already pull out u disk, such as do not pull out u disk would enter the u disk of the PE system), a solution of solution is put into the BIOS from HDD start, this time can smoothly enter the system, he this computer BIOS not how intelligent, generally intelligent BIOS automatically identify,