Run testparm and tell us what your share definitions are...if any.
[root@antioch david]# testparm Load smb config files from /etc/samba/smb.conf Processing section "[samba]" Loaded services file OK. Server role: ROLE_STANDALONE Press enter to see a dump of your service definitions
[global] workgroup = MYGROUP security = SHARE
[samba] path = /home/samba guest ok = Yes
Thanks David