Update Master Workbook From Second Workbook

I have a master workbook the needs to be updated from another workbook. I have adapted the following code that I found hidden away in this font of knowledge.

Sub test1()
Dim wb1 As Workbook
Dim wb2 As Workbook
Dim OldLastCell As Range
Dim lookRng As Range
Dim foundRng As Range
Dim iCel As Range
Dim loopRng As Range
If IsWbOpen("Update") Then
Set wb2 = Update
Else
Set wb2 = Workbooks.Open("C:Documents and SettingsCompaq_OwnerDesktopAreaUpdate.xls")
End If
Set wb1 = Workbooks("Original.xls")
With wb2. Sheets("Sheet1")...................