please help for 轉檔

lingling

i use (Xilisoft 3GP Video Converter 3.17繁體中文版)' j( Q$ o6 O/ L9 T. w" s( j3 o
i tried AVI 轉 RM,but it no picture,just got sound* Y. A; w" @! _* k
don't know what wrong?
2 X$ c# g% _3 S2 [; w7 w' r" x' mwhy i want 轉 RM,because my hard disk full already
, P# j% C( Z- E公仔箱論壇please help................