You will need a USB flash drive larger than 2GB. Note: The content of the flash drive will be erased as part of this process.

Perform the following steps: (Be sure to remember the location where you saved the files on your system).

Run the Bootable Generator application

1. Insert a flash drive.
2. Download the desired bootable package onto your system, but do not extract any files.
   • Linux - Lenovo Linux Diagnostics iso file
   • UEFI (x64) - Lenovo Diagnostics UEFI (x64) zip file
   • UEFI (ARM) - Lenovo Diagnostics UEFI (ARM) zip file
3. Download the Bootable Generator file, and finish the installation step by step.
4. Run BootableGenerator.exe from the desktop shortcut or startup menu.
5. Select the flash drive that you would like the Lenovo Diagnostics Tool to be written to.
6. Click or tap Search. Find and select the Lenovo Diagnostics Tool file that you downloaded.
   
7. Click or tap Generate to start the process.
   

Run the Lenovo Diagnostics UEFI Bootable from a Bootable Flash Drive

1. If Secure Boot is enabled in BIOS, disable it.
   • BIOS->Security->Secure Boot->Secure Boot: Disabled.
   • BIOS->Startup->UEFI/Legacy Boot: UEFI Only or UEFI Firstly.
2. Insert the flash drive.
3. Restart the machine, then immediately press F12.
4. On the boot menu, select your USB flash drive, and press Enter.
5. The diagnostics menu will display on your screen.