I have just fitted a replacement mobo but w7 64bit will not open. I saw a reply to a similar post from Quenlin and tried his suggestion "12. You will now type DISM /Image:C:\ /Add-Driver /driver D:\ /recurse " I am told that it does not recognize D:\ /recurse. Does anyone know how to get this working. I have the W7 home premium cd and the new mobo's cd. The previous mobo and the new one are both ASUS