my hard drive wont lock or unlock and i need to put a dashboard on it

i was doing good on the softmod win i went to reboot it it gave me error 7 me not knowing wut error 7 was i thot that i hade no dashboard on it so i erase the hard drive then i found out wut error 7 was i fix it but now get error 16 and i need to get the dashboard on it whit out ftp or modchip so i got fatxesplorer and i ran it crashed so i thot it was lock so i tryed to unlcok it now i have no idea whut is going on

 

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