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 XP
—Select
Start > Help and Support
, and then select the software and
drivers update.
2.
Follow the on-screen instructions to identify your computer and access the BIOS update you
want to download.
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 on-screen instructions to download your selection to the hard drive. Make a note
of the path to the location on your hard drive where the BIOS update is downloaded. You
will need to access this path when you are ready to install the update.
NOTE:
If you connect your computer to a network, consult the network administrator
before installing any software updates, especially system BIOS updates.
BIOS installation procedures vary. Follow any instructions that are displayed on the screen after the
download is complete. If no instructions are displayed, follow these steps:
1.
Windows 7
—Open Windows Explorer by selecting
Start > Computer
.
Windows XP
—Open Windows Explorer by selecting
Start > My Computer
.
2.
Double-click your hard drive designation. The hard drive designation is typically Local Disk (C:).
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Chapter 5 Setup Utility (BIOS) and System Diagnostics
