The Ultimate Guide to the Acer DMI Tool: What It Is, How It Works, and Where to Find It

When a computer motherboard is replaced or undergoes a major firmware corruption, critical system identifiers can disappear. For Acer laptops and desktops, these identifiers—such as the serial number, UUID, and asset tag—are injected into the BIOS using a specialized piece of software known as the .

: Sets the specific model name (e.g., Aspire 5410T). /WM [Manufacturer] : Sets the manufacturer string. /R : Reads the current DMI strings stored in the BIOS. Important Usage Notes

For common AMI-based Acer systems, the commands look like this:

Many users have reported that after attempting a BIOS recovery, the serial number, UUID, and product name are lost from the BIOS. One Acer Community user described exactly this scenario: “Recently while attempting bios recovery I lost Serial Number, UUID and Product Name from the bios. I need QDMI301.EXE and VEEPROM.EXE to write that information back”.