Elektron Musical Instruments

hey 
i f anyone can help me it will be really great....

1. the elecricity adapter is really loud and sounds like an insect is it
normal ?

2. i tried to upload the new os and it alweays failed i made it with logic
and a mac in the end i tried it with 40 bpm and it works but than the file
was to short! 

3. it seems really strange because the machinedrum after i worked on it and
saved my onwn stuff it is totally spinning arounf it stops in the middle of
the patterns and than after after each led is going on and stays on no sound
is comming out anymore ?


if anyone can held me that will be really great...
stefan