Lets Start by downloading the latest WinPE CAB from Dell's Site Downloads can be Quite Large! (I've seen 755MB download between several driver updates), could take awhile over slow connection.You can setup your own Repo, but then you're managing a Repo.Requires Internet Connection during OSD if using Dell's Internet Repo.Installs the 'Extra Bloat' software along with the driver (sometimes handy, sometimes not) - I've submit feedback requesting they add a switch to install drivers only, skipping the add-on software.Always uses the latest available drivers from dell.As long as Command Update supports the model, you're already set.During OSD, run the Dell Command Update utility to install rest of the drivers needed.

Now our Windows 7 or 10 WIM Image has all of the Storage & Network Drivers needed.Using DISM, import the Dell Driver WinPE pack into the Base WIM.I've tested this new method with several Dell Models, and so far, It's been working well. If you're using Dell machines, you might be able to forget how to import drivers moving forward.

Dell drivers