HP 240 HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 111

Updating the BIOS, Determining the BIOS version, Downloading a BIOS update, CAUTION

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Updating the BIOS Updated versions of the BIOS may be available on the HP website. Most BIOS updates on the HP website are packaged in compressed files called SoftPaqs. Some download packages contain a file named Readme.txt, which contains information regarding installing and troubleshooting the file. 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 Computer Setup. 1. Start Computer Setup. 2. Use a pointing device or the arrow keys to select File > System Information. 3. To exit Computer Setup without saving your changes, click the Exit icon in the lower-left corner of the screen, and then follow the on-screen instructions. - or - Use the tab key and the arrow keys to select File > Ignore Changes and Exit, 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 on the computer by unplugging the power cord from the AC outlet. Do not shut down the computer or initiate sleep. Do not insert, remove, connect, or disconnect any device, cable, or cord. 1. From the Start screen, type help and then select Help and Support. 2. In the Help and Support search box, type maintain, and then 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. Windows 7 - Computer Setup (BIOS) and Advanced System Diagnostics 103

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Updating the BIOS
Updated versions of the BIOS may be available on the HP website.
Most BIOS updates on the HP website are packaged in compressed files called
SoftPaqs
.
Some download packages contain a file named Readme.txt, which contains information regarding
installing and troubleshooting the file.
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 Computer Setup.
1.
Start Computer Setup.
2.
Use a pointing device or the arrow keys to select
File
>
System Information
.
3.
To exit Computer Setup without saving your changes, click the
Exit
icon in the lower-left corner
of the screen, and then follow the on-screen instructions.
– or –
Use the
tab
key and the arrow keys to select
File
>
Ignore Changes and Exit
, 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 on the computer by unplugging the power cord from the AC outlet.
Do not shut down the computer or initiate sleep.
Do not insert, remove, connect, or disconnect any device, cable, or cord.
1.
From the Start screen, type
help
and then select
Help and Support
.
2.
In the
Help and Support
search box, type
maintain
, and then 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.
Windows 7 – Computer Setup (BIOS) and Advanced System Diagnostics
103