Show Administrator on Welcome Screen

start > run = " control userpasswords2 " select administrator account, click reset password (input new pass) / Ok

start > run = " regedit " create the key below

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts\UserList

create "DWORD (32bit) Value"
Value Name: Administrator
Value Data: 1