Default [Q] Internal memory problem

Hi,

And again, can somebody help with connecting internal memory of Sony Xperia U? I have headache with this, i try all, all possible drivers, pcc and sus, flashtool drivers and everything else but my xperia cannot connect to pc, i use windows 7 ultimate. I unnistalled all drivers now and try with clear shield but no progress...
" I thank FOR YOUR THANKS "