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: Identifies the specific hardware configuration.
Boot from the USB drive (tap during startup to select the boot device). Select "Set system identification" from the main menu.
Disable and set the startup mode to Legacy Only or Legacy Support , as the maintenance utility does not support UEFI-only mode. Execute Maintenance : i7tm38us 1.90 version.exe download
: Essential for warranty validation and asset management.
Access the BIOS (usually by tapping or Enter at the Lenovo logo). : Identifies the specific hardware configuration
Choose and enter the 20-digit serial number string in the required format (e.g., 1STTTTMMMMCCSSSSSSSS ). Download and Compatibility
Find the usbfmtpw.exe application within the extracted folder. Disable and set the startup mode to Legacy
The file is a specific build of the ThinkPad Hardware Maintenance Diskette (HMD) , a specialized utility used by technicians to update or restore critical system identification data on Lenovo ThinkPad motherboards. It is primarily used to fix "Invalid" serial numbers or missing UUIDs after a motherboard replacement. Key Details and Purpose
: Run the downloaded i7tm38us.exe to extract its contents, typically to C:\DRIVERS\Maintenance Diskette\i7tm38us\ . Create a Bootable Drive :
Use this utility to format and create a . Note that some users report this formatting tool works best on Windows 7; Windows 10 users may need to use Rufus to create a FreeDOS drive first and then manually copy the files. Configure BIOS Settings :