HP Pro 3400 mt ethernet controller 64 bit - HP Enterprise Business Community

Been trying to install the ethernet controller for this system but to no avail. can anyone help ... Hi: Try the one directly from Realtek. 5th one down on the list for W7 x64 http://www.realtek.com.tw/downloads/downloadsView. aspx?Langid=1&PNid=13&PFid=5

h30499.www3.hp.com