rock64/ubuntu start-up

[pas059]

better news,

i tested the connection to the rock from a pc. To do this i added these lines

Code:

[test]
    comment = For testing only, please
    path = /export/samba
    read only = no
    guest ok = yes

to smb.conf file, and

Code:

$mkdir /export/samba/test
$chmod 777 /export/samba/test

and this works   . So i suspected a problem on the PC (on windows7), so i tested with another pc (on widows 10), and this works .   . Of course, i have no problem to  connect from one pc to each other. In all cases i use my WinUsername/Password. Perhaps i have to verify some things on the win7 pc  
Thanks to all of you for your helps and sorry if i made you lose time.
regards