use SymSMB v2.00,search for it,it takes a while to setup but works great,I am using it on my E65...or another easier way is to a PC app called HFS...search for it on the net...no setup is required...
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If you have a nseries phone, you can use the home media app that must have come on the CD of your phone. This allows you to share music, pics, vids on you phone to the PC via wifi.

Only condition is that your PC / laptop should support adhoc wifi connections.