Mount MP4 Player

[Zaki Akhmad]

Hello,

I have a Sony MP4 Player.
If I plug this to KUbuntu Desktop, it won't detected but if I plug
this to Ubuntu Desktop it was detected. These are two different
computers.

What's wrong with it?
What should I do?

Here's the #lsusb message
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 003: ID 17ef:6018 Lenovo
Bus 002 Device 002: ID 04b3:310c IBM Corp. Wheel Mouse
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 019: ID 054c:0385 Sony Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

-- 
Zaki Akhmad