Detailed explanation of the Win8.1 Update startup failure problem

Windows8.1 as a new system, there are still many unstable places, users after updating the windows8.1 update, often found that the wi system can not start, start failure problems, Under normal circumstances, users will choose system restore points or system image backup to solve, but what if the system does not have these two operations?
Illustration of Win8.1 Update failed to solve the problem:
To solve the problem that windows8.1 update can not be started, in fact, just use Win8.1 installation image + emergency command to fix, for example, the most classic sfc /scannow command. This fix command scans the integrity of all protected system files while replacing corrupted or anomalous version files with the correct Microsoft version.





1, download Win8.1 system image, burn DVD installation CD or make U disk boot tool;
After downloading ISO, you can use Rubik's cube file in Rubik's cube master Check to obtain SHA1, MD5, CRC and other check values, to ensure that the download is the official pure version, do not give Trojans a chance to leave
Rubik's cube computer V5.12 green version download address: http://www.xitongzhijia.net /soft/19523.html
• Rubik's cube in the Rubik's cube master can start the ISO into a bootable USB flash drive to install, which saves the trouble of engraving and can be shared with other friends
• Rubik's Cube in the Rubik's Cube Master, you can burn the ISO into a DVD, so you can directly run the installation
2, insert the Win8.1 DVD installation CD or U disk, turn on the computer power, set the BIOS boot item, use Installation CD/U disk boot;

▲When the above picture prompts, quickly tap any button