I also installed the latest NVIDIA Driver from the Nvidia site (I have GTX745).
I am not sure if I had to update all these. I could not figure out how to check the existing chipset drivers and installed the dell versions anyway. I did check the intel RST and had an older version so I installed the newer one form dell. The Gigabit Network and Bluetooth drivers were also older so I went ahead and installed the dell versions. For the 1704 Wireless card, installed Dell driver, but the driver version number did not change so I am not sure if it took. The file seems like it should be 7.35 but the existing is 6.xxx.
Last, after all done, Windows update downloaded and installed a NVIDIA driver. However, after installed I checked the version and it seemed to be the same.