Sub Macro5()
Dim C As Range
Set C = Cells.Find(What:=Range("A1"), After:=ActiveCell, LookIn:=xlFormulas, LookAt:= _
xlPart, SearchOrder:=xlByRows, SearchDirection:=xlNext, MatchCase:=False _
, SearchFormat:=False)
If Not C Is Nothing Then
C.Select
Else
MsgBox "valeur non trouvée"
End If
End Sub