The HMD tool is primarily required after replacing a ThinkPad's motherboard. A new motherboard from Lenovo or a third‑party seller often has its system identification fields (Machine Type, Serial Number, and Universally Unique Identifier (UUID)) either empty or set to the word "INVALID".
The executable file is the deployment package for the Lenovo ThinkPad Hardware Maintenance Diskette (HMD) version 1.90 . This critical internal utility allows IT administrators and system technicians to write essential identification data directly to a motherboard's EEPROM chip.
suggests this is a mature release—not the first version (which might be 1.0) but also not the latest (which could be 2.5 or 3.0). It is likely a stable, feature-complete update from around 2015–2018.
A prudent approach combines diligent source verification, sandboxed testing, and robust endpoint defenses. Moreover, a collective effort to make legitimate software more accessible and to educate users about the hidden costs of piracy will diminish the demand for such shadowy downloads. In the digital age, the safest “download” is often the one that never happens. i7tm38us 1.90 version.exe download
If the hardware manufacturer is out of business, the Internet Archive ( archive.org ) is the only trustworthy archive. Search for the full filename in their software library.
Before booting from the USB, you must adjust your ThinkPad's BIOS settings: Secure Boot Legacy Only (the HMD utility does not run in native UEFI mode). Restart and press the (or Enter) key to select the USB drive as the boot device. 4. Programming the System Information Once booted into the Maintenance Diskette menu:
This file is probably a BIOS/EC (Embedded Controller) flasher for a specific laptop motherboard or a driver installer for an older Windows 7/8-era device. The HMD tool is primarily required after replacing
The showing up on your display screen (like "EEPROM Write Protected").
Return to the primary console options panel and generate a fresh system if prompted. Remove the USB flash drive and reboot your machine. Re-enter the BIOS Setup Utility via F1 .
Once booted, you select the option to update the serial number and enter the 20-digit string found on your laptop's chassis (usually starting with 1S ). A Note on Safety This critical internal utility allows IT administrators and
Because this is a low-level hardware programming tool, some antivirus software may incorrectly flag it as a threat. Adding the downloaded file and the folder where it extracts its contents to your antivirus software's exclusion list can prevent false positives from interrupting the process.
The software utility addresses this specific problem by bypassing system restrictions to write identification payload details directly into the motherboard's EEPROM. 🛠 What is i7tm38us.exe Version 1.90?
: Version 1.90 often requires a specific environment to create the bootable media. For example, some users report the usbfmtpw tool included in the package may fail on Windows 10, requiring Windows 7 for the initial setup process.