Updating (Flashing) Bios From Your Operating System; Recovering From A Post/Bios Update Failure - Lenovo ThinkCentre 8116 User Manual

Updating (flashing) BIOS from your operating system

Note: Due to constant improvements being made to the Web site, Web page
1. From your browser, type http://www.lenovo.com/think/support in the
2. Locate the Downloadable files for your machine type as follows:
3. Print these instructions. This is very important since they are not on the screen
4. From your browser, click Back to return to the list of files. Carefully follow the

Recovering from a POST/BIOS update failure

If power to your computer is interrupted while POST/BIOS is being updated (flash
update), your computer might not restart correctly. If this happens, perform the
following procedure commonly called Boot-block Recovery.
10. Insert the POST/BIOS update (flash) diskette into drive A, and turn on the
11. The recovery session will take two to three minutes. During this time you will
12. Repeat steps 2 through 5.
13. Replace the Clear CMOS/Recovery jumper to its original position.
14. Reinstall the PCI riser assembly if removed.
15. Close the computer cover and reconnect any cables that were disconnected.
16. Turn on the computer to restart the operating system.
34
User Guide
content (including the links referenced in the following procedure) is subject
to change.
address field and press Enter.
a. Under Use Quick path, type your machine type and click Go.
b. Click Continue.
c. Click Downloads and drivers.
d. Under the BIOS category, click the Flash BIOS update.
e. Click the .txt file that contains the installation instructions for the flash BIOS
update (flash from the operating system version).
after the download begins.
printed instructions to download, extract, and install the update.
1. Turn off the computer and any attached devices, such as printers, monitors,
and external drives.
2. Unplug all power cords from electrical outlets, and open the computer cover.
See "Opening the cover" on page 10.
3. Access the system board. See "Accessing system board components and
drives" on page 12.
4. Locate the Clear CMOS/Recovery jumper on the system board. See
"Identifying parts on the system board" on page 13.
5. Remove any cables that impede access to the Clear CMOS/Recovery jumper.
6. Move the jumper from the standard position (pins 1 and 2) to pins 2 and 3.
7. Reinstall the PCI riser assembly if removed.
8. Close the computer cover and reconnect any cables that were disconnected.
See "Closing the cover and connecting the cables" on page 25.
9. Reconnect the power cords for the computer and monitor to electrical outlets.
computer and the monitor.
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 diskette from the diskette drive.