Lenovo ThinkCentre M79, Hardware Maintenance Manual

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8. When prompted to change the serial number, it is suggested that you do not make this change by
pressing N. However, if you do want to change the serial number, press Y, and then type in the serial
number and press Enter.
9. When prompted to change the machine type and model, it is suggested that you do not make this
change by pressing N. However, if you do want to change the machine type and model, press Y, and
then type in the machine type and model and press Enter.
10. Follow the instructions on the screen to complete the update. After the update is completed, remove the
disc from the optical drive.
11. Restart your computer and start the Setup Utility program. See “Starting the Setup Utility program”
on page 63.
12. From the Setup Utility program main menu, select Exit ➙ OS Optimized Default ➙ Enabled .
13. Select Yes in the window displayed and press Enter to confirm your selection.
14. Press F10 to save changes and exit the Setup Utility program. See “Exiting the Setup Utility program”
on page 68.
To update the BIOS from a disc, do the following:
1. Turn off your computer.
2. Press the power button to turn on the computer. Then repeatedly press and release the F12 key until the
Startup Device Menu window opens.
3. From the Startup Device Menu window, select the desired optical drive as the startup device. Then,
insert the disc into this optical drive and press Enter. The update begins.
4. When prompted to change the serial number, it is suggested that you do not make this change by
pressing N. However, if you do want to change the serial number, press Y, then type in the serial number
and press Enter.
5. When prompted to change the machine type and model, it is suggested that you do not make this
change by pressing N. However, if you do want to change the machine type and model, press Y, then
type in the machine type and model and press Enter.
6. Follow the instructions on the screen to complete the update. After the update is completed, remove the
disc from the optical drive.
Updating the BIOS from your operating system
Lenovo makes constant improvements to its Web sites. The Web page contents are subject to change
without notice, including the contents referenced in the following procedure. To update the BIOS from
your operating system, do the following:
1. Go to http://www.lenovo.com/drivers and follow the instructions on the Web page to locate the BIOS
driver that you need.
2. Download the BIOS driver and the TXT file that contains the instructions.
3. Print the TXT file that contains the installation instructions and follow the instructions to update your
BIOS.
Recovering from a BIOS update failure
To recover from a BIOS update failure, do the following:
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 105.
3. Locate the Clear CMOS /Recovery jumper on the system board. See “Locating parts on the system
board” on page 34.
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ThinkCentre M79 Hardware Maintenance Manual