Unable to PXE boot new Latitude e7450

I had this same problem about six months ago. At that time I injected a new NIC drive into our boot image so our TS would work. We just received a brand new e7450 and it seems Dell has change the driver set yet again.

I need to remove the existing NIC driver that was injected so I can replace it with a new driver, but can't remember how. Here's an article I'm trying to use. (using SCCM method 2)

http://www.dell.com/support/article/us/en/19/SLN296860/en
cwhitmore88Asked:
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yo_beeDirector of Information TechnologyCommented:
Go to the Boot Image used under OSD Node and right click it.



OSD > Boot Images > Right click the Boot Image you want to modify > WIN PE tab > Delete the driver you wish to remove.  

To add the new driver click on the little Star Icon > Locate the Driver > Update Distribution Point
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Wait until you see that the Package updated

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cwhitmore88Author Commented:
I don't see that view. I'm running SCCM 2012 R2, but I think I found it and have added the driver to the default x64 boot image.
I'll test it tomorrow.
yo_beeDirector of Information TechnologyCommented:
I am in 2007 still, but the principal is the same
cwhitmore88Author Commented:
Thanks yo_bee.
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