Lenovo ThinkCentre, Hardware Maintenance Manual

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6. Move the jumper from the standard position (pin 1 and pin 2) to pin 2 and
pin 3.
Note: If the system board has only two pins for clearing the CMOS, add a
jumper to the two pins.
7. Reinstall any PCI adapter card if removed.
8. Reconnect any cables that were disconnected and reinstall the computer cover.
9. Reconnect the power cords for the computer and monitor to electrical outlets.
10. Turn on the computer and the monitor. Insert the POST/BIOS update (flash)
disc into the optical drive.
11. Turn the computer off and back on again.
12.
The recovery session will take two to three minutes. During this time you will
hear a series of beeps. After the update session is completed, there will be no
video, the series of beeps will end, and the system will automatically turn off.
Remove the disc from the optical drive before the system completely turns off.
13. Repeat steps 2 through 5.
14. Replace the Clear CMOS/Recovery jumper to its original position (pin 1 and
pin 2).
Note: If the system board has only two pins for clearing the CMOS, remove
the jumper from the two pins.
15.
Reinstall the PCI adapter card if removed.
16. Reconnect any cables that were disconnected and reinstall the computer cover.
17.
Turn on the computer to restart the operating system.
Chapter 11. Additional Service Information
535