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Updating (ashing) the BIOS from a disc
This section provides instructions on how to update (ash) the BIOS from a disc on the Windows 8 (64-bit)
operating system and on other operating systems.
Note: You can download a self-starting bootable disc image (known as an ISO image) with the system
program updates to create a system-program-update disc. Go to http://www.lenovo.com/support.
To update (ash) the BIOS from a disc on the Windows 8 (64-bit) operating system, do the following:
1. Start the Setup Utility program. See “Starting the Setup Utility program” on page 55.
2. From the Setup Utility program main menu, select Exit ➙ OS Optimized Default ➙ Disabled.
3. Select Yes in the window displayed and press Enter to conrm your selection.
4. Press F10 to save changes and exit the Setup Utility program. See “Exiting the Setup Utility program”
on page 59
.
5. Repeatedly press and release F12 when turning on the computer. When the Startup Device Menu
window opens, release F12.
6. 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.
7. 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.
8. 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.
9. Follow the instructions on the screen to complete the update. After the update is completed, remove the
disc from the optical drive.
10. Restart your computer and start the Setup Utility program. See “Starting the Setup Utility program”
on page 55.
11. From the Setup Utility program main menu, select Exit ➙ OS Optimized Default ➙ Enabled.
12. Select Yes in the window displayed and press Enter to conrm your selection.
13. Press F10 to save changes and exit the Setup Utility program. See “Exiting the Setup Utility program”
on page 59.
To update (ash) the BIOS from a disc on other operating systems, do the following:
1. Turn off your computer.
2. Repeatedly press and release F12 when turning on the computer. When the Startup Device Menu
window opens, release F12.
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, and 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, and
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.
114 ThinkCentre Hardware Maintenance Manual