190 Versionexe Download ((top)) Link: I7tm38us
This guide explains everything you need to know: what this tool is, where to find a safe and official download link for version 1.90, how to use it, and important safety and compatibility notes.
The HMD utility is designed to run from a DOS-based environment, not from within Windows. You must create a bootable USB drive. Here is the standard procedure.
Updating system identification requires creating a bootable DOS environment. Prepare a USB Drive Run the downloaded i7tm38us.exe on a Windows PC to extract the files (usually to C:\DRIVERS\MAINTENANCE Navigate to the extracted folder and run usbfmtpw.exe to format and create a DOS-bootable USB drive. Configure BIOS
: Because this is a proprietary internal tool, it is rarely hosted on public Lenovo Support pages for general consumers. Most download links are found on community forums like Reddit's ThinkPad community or technician-focused file repositories. Common Usage Steps
If your hardware tag lists Machine Type 20LJ , Model Type S4J , Country Code AA , and Serial 00MP1HT3 , you will carefully type: 1S20LJS4JAA00MP1HT3 . Press Enter to commit the string to the EEPROM chip. i7tm38us 190 versionexe download link
: Incorrectly using this tool can lead to "EEPROM Write Protected" errors or permanent BIOS corruption if the hardware has specialized locks.
: Always start with official websites of the software or hardware manufacturer. For Intel products, the Intel Driver & Support Assistant is a good place to find legitimate updates.
Because Lenovo treats internal hardware utilities as proprietary, finding an official download link can be challenging. This guide outlines how the utility works, its deployment steps, and safe alternatives. What is the i7tm38us.exe Utility?
No, i7tm38us.exe is an official Lenovo utility. However, its low-level system access can sometimes trigger false positives in antivirus software. Always download it directly from the official Lenovo URL provided above to ensure you have the genuine file. This guide explains everything you need to know:
: A common issue users face is receiving a "Write Protected" message. This typically occurs if the motherboard's security settings (like a "Golden Key" requirement) block unauthorized BIOS changes.
(Optional) To verify the file name match, click "Details" or read the associated .txt readme file to confirm if it maps to the i7tm38us package. Method 2: Lenovo System Update or Vantage
The "Machine Type Model" (MTM) is a 10-character string (e.g., 20L6SC4X03 ), and the serial number (SN) is an 8-character string (e.g., PF98765X ).
Follow the wizard prompts. It will extract the raw utility files to your root drive at C:\Drivers\Maintenance Diskette\i7tm38us . Step 2: Format the USB Drive Here is the standard procedure
The download for the Lenovo ThinkPad Maintenance Diskette version 1.90
You can download the official version directly from Lenovo’s servers: Direct Download Link i7tm38us.exe (Lenovo Official) Alternative Support Page Lenovo Support Downloads
: Before downloading, ensure that the file matches what you're looking for. In this case, verify that it's indeed related to "i7tm38us 190 versionexe."
: It is used to clear "(INVALID)" or blank serial number errors in the BIOS. Legacy Boot Requirement