Determining the BIOS version
To determine whether available BIOS updates contain later BIOS versions than those currently installed on the computer, you need to know the version of the system BIOS currently installed.
BIOS version information (also known as ROM date and System BIOS) can be displayed by pressing fn +esc (if you are already in Windows) or by using Setup Utility.
1.Start Setup Utility (BIOS).
2.Use the arrow keys to select Main.
3.To exit Setup Utility (BIOS) without saving your changes, use the tab key and the arrow keys to select Exit > Exit Discarding Changes, and then press enter.
Downloading a BIOS update
CAUTION: To reduce the risk of damage to the computer or an unsuccessful installation, download and install a BIOS update only when the computer is connected to reliable external power using the AC adapter. Do not download or install a BIOS update while the computer is running on battery power, docked in an optional docking device, or connected to an optional power source. During the download and installation, follow these instructions:
Do not disconnect power from the computer by unplugging the power cord from the AC outlet.
Do not shut down the computer or initiate Sleep or Hibernation.
Do not insert, remove, connect, or disconnect any device, cable, or cord.
1.Windows 7—Select Start > Help and Support > Maintain.
Windows
2.Follow the
3.At the download area, follow these steps:
a.Identify the BIOS update that is later than the BIOS version currently installed on your computer. Make a note of the date, name, or other identifier. You may need this information to locate the update later, after it has been downloaded to your hard drive.
b.Follow the
NOTE: If you connect your computer to a network, consult the network administrator before installing any software updates, especially system BIOS updates.
84 | Chapter 5 Setup Utility (BIOS) and System Diagnostics |