A preferred embodiment of a method of this invention includes the following steps: changing a configuration data pointer of the computer from pointing to the computer configuration data of the computer to pointing to the preferred computer configuration data of the portable electronic device, and simultaneously, the computer changing a disk pointer of the computer from pointing to a main data storage of the computer to pointing to the data storage; connecting to the network server through an internet connection and accessing the “my folders” of the network server, according to the address data in the portable electronic device; changing the configuration data pointer from pointing to the preferred computer configuration data to pointing to the computer configuration data, and simultaneously, changing the disk pointer from pointing to the “my folders” to pointing to the main data storage, when the connection between the computer and the portable electronic device is disabled.