BIOS WORLD › Online BIOS / ME tools › Universal serial number edit

Universal serial number edit

With the old serial number known, change the serial number in the original BIOS directly.

Use it (log in first)All online tools

What it fixes

The serial number is wrong after a board swap or a reflash
The serial number should match the label on the machine

How to use

Log in → Online tools → choose “Universal serial number edit”
Upload the original BIOS dump and enter the old and new serial numbers
Download the edited BIOS and write it back

What you need

The original BIOS dump; the old serial number (SN, ST, Serial or TAG on the back cover or label)

Note：The new serial number cannot be longer than the old one.

Tools in the same group · Serial number / DMI

Universal serial number copyCopy the serial number from the original dump into a vendor BIOS that has none. Universal DMI copyCopy the serial number and other DMI data from the original dump into a factory BIOS or another dump of the same model. Lenovo DMI copyFor Lenovo BIOS only: copy the DMI data from a source file into a target file. Apple serial number editChange and repair the serial number in MacBook BIOS, for all Intel-based Apple models (with T2 and earlier). Apple serial number copyCopy the serial number from the original dump into a factory Apple BIOS that has none.

All online tools