I have a lot of issues dealing with my new NP3900.
1) often the device is not found as a player by my computers (twonkyplayer, windows mediaplayer) or my phone (android with simplyshare).
2) very often the NP3900 is freezing (black screen with vertical white lines) when sending a play list from twonkyplayer (or other). The only solution is a power shutdown.
I have updated the NP3900 with the last firmware. Same issues.
Any idea would help.
Thanks.

