What to do if win10th2 update fails

Many users have reported that in the process of upgrading Win10 TH2 official version, there will be a situation where the card is "n%". If the user decides to wait, it is likely to be a very long process, and it is not necessarily able to wait until the end of the process. This kind of problem is basically caused by interference from other equipment and programs. In order to prevent and stop this phenomenon, relevant users should make reasonable debugging before installation or during installation.

foreign media were summed up the 10 kinds of solutions, users encountered the problem of alternative methods related to the trial:
1, shut down before the upgrade anti-virus software and other security software
2, broken Open all non-essential peripheral connections, preferably leave only the keyboard and mouse
3, before the upgrade, ensure that the system has installed the latest update patch
4, to ensure that the current driver is the latest
5, shift In addition to the CD and DVD discs in the CD-ROM drive
6, in the long-term lag, unplug the USB mouse
7, disable all Microsoft services before the upgrade
8, confirm that there is enough hard disk space to install TH2
9, turn off the quick start in the BIOS
10, use the "media creation tool" installation (Source: Softpedia)