I write this because sometimes my WDS add driver package to boot wim is not working.

dism /mount-wim /wimfile:c:\windowspe-x86\iso\sources\boot.wim /index:1 /mountdir:d:\boot

dism /image:d:\boot /get-drivers

dism /image:d:\boot /add-driver /driver:D:\wim\DellNetbook\R293234\8131\Win7_32\L1C62x86.inf

Dism /unmount-Wim /MountDir:d:\boot /Commit

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