Can't see shared folder in multimedia enclosure

I started to use Windows 7 just last week, before that I had been using XP Pro for years, last year I bought Sarotech multimedia hdd enclosure, I shared some folder in windows to use for playing audio and video with the Sarotech player using crossover lan cable whitout any problems.
Since I installed windows 7 I have not been able to see shared folders within the enclosure.
I'm able to ping the enclosure successfully in command promt and I can see shared folder on my laptop through wireless connection, but I don´t know why I can't see shared folders throug the Lan connection.

Obviously I'm doing something wrong here, but this was no problem in winxp so this should not be a more problem in win7.

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