I7tm38us 1.90 Version.exe !new! Download Jun 2026

: Resolves "Invalid Serial Number" or "Invalid Machine Type" POST errors that appear when a new motherboard has not been properly initialized.

Alternative: You can use third-party tools like Rufus to create a FreeDOS bootable drive and manually copy the extracted folder's files onto it. 3. Configure Your BIOS Power on your target ThinkPad and enter the BIOS setup.

Contrary to what the filename suggests, i7tm38us.exe is that you run within Windows. It is the executable for the Lenovo ThinkPad Hardware Maintenance Diskette (HMD) , a powerful DOS‑based service tool designed for Lenovo technicians.

: Ensure your laptop is plugged into an AC outlet. Do not rely on battery power. i7tm38us 1.90 version.exe download

Download the i7tm38us.exe file. (Common, often cited source: archive.org/details/i7tm38us ).

Assuming you have obtained a legitimate i7tm38us 1.90 version.exe from a trusted source (e.g., Dell/Lenovo support), follow these steps:

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. : Resolves "Invalid Serial Number" or "Invalid Machine

The prompt will request a device designation code; input or C0 depending on your generation prompt requirement.

Here is the for obtaining this file:

Because this is an internal Lenovo technician tool, it is not always available through standard public download links. Many users find it on archive sites or community-shared drives. If you are downloading i7tm38us.exe from an unofficial source, run it through a malware scanner like Hybrid Analysis to ensure the file hasn't been tampered with. Configure Your BIOS Power on your target ThinkPad

This utility is intended for internal service use and is not typically listed on public consumer-facing Lenovo Support Direct Download (Official Source): You can often find it directly on Lenovo's file servers at

Curiously, many versions of this utility require Windows 7 to correctly format the USB drive; running it on Windows 10 may result in "No USB drive found" errors.