please help for 轉檔

lingling

i use (Xilisoft 3GP Video Converter 3.17繁體中文版)tvb now,tvbnow,bttvb+ ?' g* d: q4 {- u
i tried AVI 轉 RM,but it no picture,just got sound' C/ q/ D; Z8 f& E& L8 ^9 l% S
don't know what wrong?tvb now,tvbnow,bttvb, B' l( x. J1 o, R2 l
why i want 轉 RM,because my hard disk full already3 N! g1 X3 m" z, g6 `
please help................