Connect the data cable to the computer first and then connect the other end of the cable to your device. Select the connection mode PC Suite from the listed options on your Nokia device.
Detailed instructions:
Once you have opened the Get Connected Wizard, select Cable connection from the list of connection types. Then, click Next.
Connect one end of the cable to a cable port on the computer and the other end to the device.
Now your device displays a list of possible connection modes. Make sure you select the PC Suite mode to connect to Nokia Ovi Suite.
Once you have are notified that your device is successfully connected, click Finish to close the Get Connected Wizard.