DMIEdit allows you to read, modify, and write this underlying system data directly to the BIOS firmware. Key features include:
: A graphical interface for updating SMBIOS within a Windows environment.
If Windows is not installed, you can use the EFI version, which is often more reliable. Create a bootable USB with EFI Shell. Copy amidediefi64.efi to the USB. Boot your computer into EFI Shell.
dmiedit 5.20 -t 1 -i 1 -f product-name "Custom-PC-2024" dmiedit 5.20
dmiedit 5.20 -s
A dialogue box will open. Type the new alphanumeric string into the field.
System builders use it to brand their machines with custom manufacturer names, support phone numbers, and model strings that appear inside the Windows "System Information" menu. Key Features of Version 5.20 DMIEdit allows you to read, modify, and write
Restart your computer immediately to allow the BIOS to initialize the new parameters. Troubleshooting Common Errors "Error: SMBIOS data write protected"
When you replace a failed motherboard on a Dell, HP, or Lenovo workstation, the new board often lacks the original DMI information. Utilities like the manufacturer’s own software may fail to write these fields. dmiedit 5.20 allows you to manually restore the correct serial number and product SKU, ensuring warranty validation and asset management software still functions.
In the Command Line version, navigate to your directory and type: AMIDEWINx64.exe /dump Use code with caution. Create a bootable USB with EFI Shell
: Offers both a graphical user interface (GUI) for easy navigation and a command-line interface (CLI) for automated scripts. NextComputing How to Use DMIEdit (Standard Method)
Copy the EFI version of the tool ( AMIDEEFIx64.efi ) to the drive.
Press . The tool will interface with the physical flash memory, write the new string, and return a success message like "Write Success." Step 4: Verification and Reboot After executing your changes: Restart your computer completely.