Introduction......................................................................................................................................... 2EFI applications and tools ..................................................................................................................... 2Applications accessible during startup ................................................................................................ 2BIOS Recovery................................................................................................................................. 3Launching EFI applications ................................................................................................................ 3EFI and custom imaging ....................................................................................................................... 3EFI architecture.................................................................................................................................... 4Volume name .................................................................................................................................. 4Directories and descriptions .............................................................................................................. 4How BIOS launches EFI applications...................................................................................................... 4For HP-signed EFI applications ........................................................................................................... 4Non–HP-signed EFI applications ........................................................................................................ 5User launch and boot options ............................................................................................................ 5Additional BIOS policies for the EFI environment.................................................................................. 5Creating or restoring an EFI partition on the hard drive ............................................................................ 6EFI partition errors ............................................................................................................................... 6For more information............................................................................................................................ 7HP Business Notebook ComputerEFI GuidelinesSubtitle