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Lenovo UEFI Diagnostics - Bootable USB (Create it on Windows OS) - Desktops, Notebooks, Workstations
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Lenovo UEFI Diagnostics - Bootable USB
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README for Lenovo UEFI Diagnostics - Bootable USB
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2.03.0012 Mar 2014

Lenovo UEFI Diagnostics - Bootable USB is a tool that can be booted by itself and tests the memory and hard drives in Lenovo UEFI-enabled ThinkPad, ThinkCentre, ThinkStation and ThinkServer systems. Lenovo UEFI Bootable Generator is a tool runs on Windows platform to create Lenovo UEFI Diagnostics - Bootable USB. Once Lenovo UEFI Diagnostics - Bootable USB is created, it can be used on your Lenovo computer regardless of what OS your system has.


  • You will need the following files to complete this task:
    • The UefiBootableGenerator.exe file, which will generate the bootable key.
    • The 7z.exe file, the dll 7z.dll file and the fat32format.exe file. All of these files must be in a folder called resource in able to create the bootable key.
    • The image of bootable UEFI diagnostic. It must be in the same folder of UefiBootableGenerator.exe.
    • New Lenovo Bootable Generator released to replace the cmd line based bootablegenerator.exe.


Supported Systems
  • ThinkCentre
    • E73, E93z, E93M62z, Edge62z, Edge71, Edge71z, Edge72, Edge72z, Edge91, Edge91z, Edge92, Edge92z, Edge93z
    • M32, M60e, M71e, M71z, M72e, M72z, M73, M73e, M73z, M75e, M76, M77, M78
    • M81, M82, M83, M83z, M90z, M91, M91p, M92, M92z, M93, M93p, M93z
  • ThinkStation
    • C20, C20x, C30
    • D20, D30
    • E30, E31
    • S20, S30
  • ThinkPad
    • Edge E120, Edge E125, Edge E130, Edge E135, Edge E145
    • Edge E220s, Edge E320, Edge E325, Edge E330, Edge E335
    • Edge E420, Edge E420s, Edge E425, Edge E430, Edge E430c, Edge E431, Edge E430c, Edge E435, Edge E440, Edge E445
    • Edge E520, Edge E525, Edge E530, Edge E530c, Edge E531, Edge E530c, Edge E535, Edge E540, Edge E545, Edge L330
    • Helix
    • L420, L430, L440, L520, L530, L540
    • S220, S420, S430, S431, S440, S531, S540
    • Twist S230u
    • T420, T420s, T430, T430s, T430u, T431s, T440, T440p, T440s
    • T520, T530, T540p
    • W520, W530, W540
    • X1, X1 Carbon (Type 20A7, 20A8), X1 Carbon (Type 34xx)
    • X121e, X130e, X131e, X140e
    • X220, X220 Tablet, X230, X230s, X230 Tablet, X240, X240s
  • Lenovo Essential
    • B475e, B480, B490, B575e, B580, B590, B4400, B5400
    • E49, E4430, K29, K49, K2450, K4350, K4450
    • G400, G400s, G405, G480, G485, G580, G500, G500s, G505, G585, G780
    • M490, M490s, M495, M4400s, M4450, M5400
    • V480, V480s, V480c, V490u, V580, V580c, V4400, V4400u
Supported Languages

Lenovo UEFI Diagnostics - Bootable USB and UEFI Bootable Generator is available in the following languages:

  • English
  • Portuguese
Downloading the installation file
  1. Click the file links to download the overall package file from the Web page.
  2. When prompted, select a drive and a directory in which to save the downloaded files.
Create Bootable UEFI on Windows

All data will be lost on the USB Key that you use to create the Lenovo bootable UEFI.

After you download the file, follow these steps:

  1. Unzip the package file just downloaded.
  2. Plug the USB key into your computer
  3. Log in to Windows, go to the Windows Start menu and launch the command window with Administrator privilege.
  4. At the prompt, select Yes.
  5. Navigate to the folder where UefiBootableGenerator.exe is located and run this command:
    UefiBootableGenerator.exe --list
  6. The window will display the drive letter of the USB key
  7. Now create the USB key by entering this command:
    BootableGenerator.exe --create -l -u -f

*<-1> is the new name of the USB key (limit of 11 characters)
*<-u> is the drive letter assigned to the USB key
*<-f> is the name of the image

For example:
If the USB key has been assigned as Drive "I" by Windows, the image you downloaded is "UEFI", and you name the USB key as "boot", the command would read as follows:

UefiBootableGenerator.exe --create -l boot -u I -f "UEFI"

  1. At the prompt, type "y" and press the "Enter" key to format the USB Key and start to create the UEFI bootable key.

Other Switches
There are two other switches accepted by this tool

  • --help Displays the help message for the tool
  • --List Lists all of the USB keys plugged in to the system


Enabling UEFI at Startup

Follow below steps to check if your system is UEFI enabled and how to enable UEFI Boot at startup

  1. Reboot your machine, and when the splash screen appears (the one with the Lenovo Logo), press described button to interrupt normal startup. This is typically the “Enter” key. After interrupting normal startup, the “Startup Interrupt Menu” will be displayed in screen. Now press the key to access “BIOS Setup Utility”, which in this case is “F1”.
  2. The BIOS setup utility is now displayed. If the BIOS Version and BIOS Date start with UEFI, the machine is UEFI enabled.
  3. To enable UEFI, use the left arrow (<-) or Right arrow (->) key to highlight the "Startup" menu
  4. Use the Down arrow key to highlight the UEFI/Legacy Boot item.
  5. Using the Arrow and Enter keys change this setting to "Both"
  6. Now highlight the UEFI/KLegacy Boot Priority item, and using the arrow and Enter keys, change this setting to "UEFI First".
  7. To save, press the F10 key to save and exit the BIOS utility.


  • Lenovo UEFI Diagnostics - Bootable USB only runs on systems that are UEFI enabled.
  • Lenovo UEFI Diagnostics - Bootable USB only runs if Secure Boot option has been disabled in BIOS.
  • USB Key label must have 11 characters at maximum
  • All explorer windows should be closed while createing the Bootable USB.


Open source code

If you are unable to find what you are looking for, please do try the following options:
1. Lenovo Assisted Search
2. Product usage and general troubleshooting tips
3. Lenovo Support Forum
4. Technical Support Call Centre

País de disponibilidad
Documento de identidad : DS030861
Última actualización : 13 Mar 2014
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