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Esta macro com as funções e declarações retorna uma mensagem com o número do HD do seu computador mostro aqui duas funções.


Retorna o Número serial do HD do cpu

Private Declare Function GetVolumeInformation& Lib "Kernel32" Alias "GetVolumeInformationA" _
        (ByVal lpRootPathName As String, _
         ByVal pVolumeNameBuffer As String, _
         ByVal nVolumeNameSize As Long, lpVolumeSerialNumber As Long, _
         lpMaximumComponentLength As Long, lpFileSystemFlags As Long, _
         ByVal lpFileSystemNameBuffer As String, _
         ByVal nFileSystemName As Long)
        
Private Const MAX_FILENAME_LEN = 256
 
Public Function GetSerialNumber(sDrive As String) As Long
Dim ser As Long
Dim s As String * MAX_FILENAME_LEN
Dim s2 As String * MAX_FILENAME_LEN
Dim j As Long
Dim i As Long
 
  Call GetVolumeInformation _
        (sDrive + ":\", s, MAX_FILENAME_LEN, ser, i, j, s2, MAX_FILENAME_LEN)
  GetSerialNumber = ser
End Function
 
Sub Teste_Numero_HD()
  MsgBox ("Número do HD ") & GetSerialNumber("C")
  MsgBox ("Número do HD ") & DriveSerialNumber("C")
End Sub
 
Function DriveSerialNumber(Letra)
Dim sab, d
  Set sab = CreateObject("Scripting.FileSystemObject")
  Set d = sab.GetDrive(sab.GetDriveName _
             (sab.GetAbsolutePathName(Letra & ":\")))
  DriveSerialNumber = d.SerialNumber
End Function

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