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Lenovo G560 Hardware Maintenance Manual
Retaining the UUID
The Universally Unique Identifi er (UUID) is a 128-bit number uniquely assigned
to your computer at its production and stored in the EEPROM of your system
board. The algorithm that generates the number is designed to provide unique
IDs until the year A.D. 3400. No two computers in the world have the same
number.
When you replace the system board, you must set the UUID on the new
system board as follows:
1. Install the CE Utility Diskette for Lenovo notebooks, and restart the
computer.
2. From the main menu, select 4. Assign UUID.
A new UUID is created and written. If a valid UUID already exists, it is not
overwritten.