Samsung Galaxy S2 >> No anything appear on PC after connecting USB cable

HI ;



I have Samsung Galaxy S2 with Android OS 4.0.3 installed. i have Samsung Kies software installed in my PC. I have problem that when I connect USB cable with PC, no anything appears which normally appears when we connects any thing with USB port. USB port is ok and I normally connects other things. Please help. I want to move pictures etc from PC to memory card.

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