Restart your computer and press F11 , F12 , or Del to enter your motherboard's boot menu. Select and launch the configuration.
The 64-bit version is commonly referred to as AMIDEWINx64.exe . Why Use DMIEdit 5.20?
Extract the EFI files from the archive (e.g., amidedos.efi or amidieefi.efi ) onto the root folder of the flash drive. dmiedit 520 free
Here are some tips and tricks to help you get the most out of DMiEdit 520:
Open DMIEdit: Double-click the DMIEDIT.EXE icon to launch the main window. Navigate SMBIOS Types: On the left side of the interface, you will see a list of all recognized SMBIOS structure types. Click on a type (e.g., " [Type 001] — System Information ") to view its details on the right. Edit a Field: Locate the field you wish to change (e.g., "Serial Number" or "UUID"). Double-click on it to open an edit dialog box. Enter your desired new value. Apply the Change: After entering the new value, click "OK". Then, to write this change to the BIOS ROM, click the "lightning bolt" icon on the toolbar. You may need to click the 'All' option to apply all pending changes. Restart your computer and press F11 , F12
Typing incorrect formatting flags or corrupted characters can confuse the system's power management layout, causing boot loops or hardware initialization failures. Always double-check your syntax before pressing enter.
: Compatible with various SMBIOS structures (System, Baseboard, Processor, etc.). Direct Interaction : Modifies the flash resident DMI structures directly. Safety and Risks Why Use DMIEdit 5
If you are using the EFI version ( AMIDEEFI.efi ), here are the most common commands: /SS "NewSerialNumber" – Updates the System Serial Number. /SM "ManufacturerName" – Updates the System Manufacturer. /SV "1.0" – Updates the System Version. /SU AUTO – Generates a new random UUID. Final Thoughts
If your Windows installation is inaccessible or the operating system's security layers block direct NVRAM writes, the EFI shell method provides an environment independent of the OS.
DMIEdit is not just a single program; it is available in multiple formats to suit different environments: a graphical user interface (GUI) version for Windows, a command-line version for scripting, and utilities for DOS, Linux, and the UEFI Shell, providing flexibility for IT professionals and system integrators.
Click "Update" or "Write" to commit the changes to the flash memory.