problem with gemini all in one card reader

hello all,
i have one card reader gemini ALL IN ONE CARD READER. PROBLEM
WHEN I AM ENTERING SD MINI MEMORY CARD INIT SO IT CANNOT DETECT THAT MINI SD CARD IN MY COMPUTER. WHAT SHOULD I HAVE TO DO TO ACCESS MY MINI SD MEMORY CARD. SEND ME SUGGESTION ON MY MAIL AS EARLY AS POSSIBLE.