Lenovo ThinkStation P300 User Manual page 58

1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. Remove the computer cover. See "Removing the computer cover" on page 74.
3. Locate the Clear CMOS /Recovery jumper on the system board. See "Locating parts on the system
board" on page 6.
4. Remove any cables that impede access to the Clear CMOS /Recovery jumper.
5. Move the jumper from the standard position (pin 1 and pin 2) to the maintenance position (pin 2 and
pin 3).
6. Reconnect any cables that were disconnected and reinstall the PCI card if removed.
7. Reinstall the computer cover and reconnect the power cords for the computer and monitor to electrical
outlets. See "Completing the parts replacement" on page 123.
8. Press the power button to turn on the computer and insert the BIOS update disc into the optical drive.
Wait a few minutes. The recovery process begins. After the recovery process is completed, your
computer will be turned off automatically.
Note: Depending on the computer model, the recovery process will take two to three minutes.
9. Repeat step 1 through step 4.
10. Move the Clear CMOS /Recovery jumper back to the standard position (pin 1 and pin 2).
11. Reconnect any cables that were disconnected and reinstall the PCI card if removed.
12. Reinstall the computer cover and reconnect any cables that were disconnected.
13. Press the power button to turn on the computer and restart the operating system.
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ThinkStation P300 User Guide