|Right click my computer, go to properties, click the computer name tab, select the change button, and change your workgroup name, then apply changes and restart. You should also go ahead and turn off any and all sharing of hardware devices. Specifically, turn the sharing off of the printer by going to the control panel, opening printers, right clicking the shared printer, select sharing and make sure the do not share this printer radio button is selected.|
To get rid of any mapped drives, just go to my computer and right click the mapped drive, then select the disconnect option. Hope that helps.