Win8.1 system upgrade When prompted "Unable to update system retention partition" What's going on?

Win8.1 system upgrade When prompted "Unable to update system retention partition" What's going on?

Can be solved by resetting the WIN8 system

The specific actions are as follows:

1, set-power--(Hold down SHIFT key click Reboot)--Troubleshooting--dell backup and Recovery;

2, the system will automatically check to see the intelligent repair options can solve this problem, once completed click Next;

3, you will see the choice of factory image files or other backup files, of course, this place we choose the factory image file, click Next Next;

4, the system will prompt you to back up your files, if necessary by selecting the option Yes, back up my personal files (make sure there is an external backup hard disk), or choose not to erase my files. then click Next Next;

5, to this step, the recovery step is completed, the process is about 10-15 minutes. WINDOWS8 Tutorial