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

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  • Page 1

    HP Business Notebook Computer EFI Guidelines Subtitle Introduction............................2 EFI applications and tools ........................2 Applications accessible during startup ....................2 BIOS Recovery..........................3 Launching EFI applications ........................ 3 EFI and custom imaging ........................3 EFI architecture............................ 4 Volume name ..........................4 Directories and descriptions ......................

  • Page 2: Efi Applications And Tools, Applications Accessible During Startup

    Introduction As computer technology has advanced, the BIOS (Basic Input/Output System) has expanded to handle new components, larger and more complex chipsets, add-in cards, and so on. This forced expansion of the BIOS has made it increasingly intricate. The computer industry’s answer to BIOS limitations is the development of the Extensible Firmware Interface.

  • Page 3: Bios Recovery, Launching Efi Applications, Efi And Custom Imaging

    BIOS Recovery BIOS Recovery is a utility that allows you to recover the BIOS image if it becomes corrupt. BIOS Recovery can be employed in two ways. It can automatically detect and repair a corrupted BIOS by flashing the BIOS image that is stored on the partition into the flash ROM. It can also be used to force a BIOS recovery.

  • Page 4: Volume Name, Efi Architecture, Directories And Descriptions, How Bios Launches Efi Applications

    HP EFI application SoftPaqs unbundle into the C:\swsetup directory. The EFI software installation then searches for the FAT32 partition labeled HP_TOOLS and installs itself into the following directory: :\Hewlett-Packard\softwarename For example, Quicklook.efi and its digital signature are placed in the following directory: :\Hewlett-Packard\Quicklook\quicklook.efi...

  • Page 5: Non–hp-signed Efi Applications, User Launch And Boot Options, Additional Bios Policies For The Efi Environment

    Select the custom logo image you want to use, and then use imaging software to convert the image to a bitmap (.bmp) and modify image size to 1024 x 768 or smaller, as necessary. In the Hewlett-Packard folder on the HP_TOOLS partition, create a Logo subfolder. Save the image in the \Hewlett-Packard\Logo folder.

  • Page 6: Creating Or Restoring An Efi Partition On The Hard Drive, Efi Partition Errors

    Use Partition Magic to create a partition on a local hard drive that has a System partition with the following characteristics: Partition type: FAT32 Partition size: 1 GB Volume name: HP_TOOLS In the new partition, create a folder called HEWLETT-PACKARD. In the HEWLETT-PACKARD folder, create the following folders: - QuickLook - SystemDiags - BIOS...

  • Page 7: For More Information

    Intel’s Extensible Firmware Interface http://www.intel.com/technology/efi/ Home Page © 2008 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty.

Comments to this Manuals

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  • Matthias Sep 10, 2013 01:28:
    Hello,
    I'm writing this for other users that seek solutions to similar problems and who, as I did, stumble across this.
    I too had problems with an unbootable HP laptop, and nothing from here or any other resource helped me fix the problem. It turned out that my BIOS-Batte​ry (inside the laptop casing), was getting weak and needed replacemen​t. Taking out this battery did let me boot after several attempts of starting the laptop.
    I haven't seen this mentioned anywhere and that's why I thought it is important to add here.