Lenovo ThinkCentre 8289 Hardware Replacement Manual page 42

4. When prompted to change the serial number, press Y.
5. Type in the seven character serial number of your computer and then press
6. When prompted to change the machine type/model, press Y.
7. Type in the seven character machine type/model of your computer and then
8. Follow the instructions on the screen to complete the update.
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Hardware Replacement Guide
Enter.
press Enter.