Bios Setup Utility - Lenovo ThinkPad L420 User Manual

You will also need to install application software, which is provided in the C:\SWTOOLS\APPS directory
on your hard disk drive. To do this, refer to the instructions in "Reinstalling preinstalled applications and
device drivers" on page 86.
Note: If you cannot find the Supplement files, device drivers, and application software you need on your
hard disk drive, or if you want to receive updates and the latest information about them, refer to the ThinkPad
Web site:
http://www.lenovo.com/support/site.wss/document.do?sitestyle=lenovo&lndocid=tpad-matrix

BIOS Setup Utility

Your computer provides a program, called BIOS Setup Utility, that enables you to select various setup
parameters.
To start BIOS Setup Utility, do as follows:
1. To protect yourself against accidental loss of data, back up your computer registry. See "Performing
backup and recovery operations" on page 83.
2. If the diskette drive is connected to the computer, remove any diskette from the diskette drive, and
then turn off the computer.
3. Turn on the computer. When the logo screen is displayed, press the F1 key. The BIOS Setup Utility
opens. A window such as the following appears:
If you have set a supervisor password, the BIOS Setup Utility menu appears after you enter the
password. You can start the utility by pressing Enter instead of entering the supervisor password;
however, you cannot change the parameters that are protected by the supervisor password. For more
information, refer to "Using passwords" on page 67.
4. Using the cursor keys, move to an item you want to change. When the item you want is highlighted,
press Enter. A submenu is displayed.
5. Change the items you wish to change. To change the value of an item, use the F5 or F6 key. If the item
has a submenu, you can display it by pressing Enter.
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User Guide