Upgrade Win8.1 system prompts "Cannot update system reserved partition" solution

The specific operation is as follows:

1. Set — power--(hold down the shift key and click to restart)--Troubleshooting--Dell backup and Recovery;

2 The system will automatically check to see if the smart repair option can solve this problem. Once you click Finish, click

3. You will see one of the factory image files or other backup files. Of course, this place we choose is the factory image file, click next to the next step;

4, the system will prompt you to back up your files, if you need to select the option Yes, back up my personal files (make sure there is a External backup hard drive), or choose not to erase my files. Then click next;

5. At this point, the recovery step is complete, and the process takes about 10-15 minutes.