Download the attached drivers for WinPE automation enviroments.
If you need further help on drivers and installing drivers for WinPE (KB 20566)
If you need further help with Linux drivers (KB 36079)
DosPE does not have any drivers support for these models.
If you need further information about drivers and driver support from Symantec (KB 40768)
Lenova T400/T500 laptops