HP EliteBook 840 G1 Notebook PC - Manual (Page 90)

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 Main > System Information.
3. To exit Computer Setup without saving your changes, click the Exit icon in the lower-right corner
of the screen, and then follow the on-screen instructions.
– or –
Use the tab key and the arrow keys to select Main > Ignore Changes and Exit, and then press
enter .
Downloading a BIOS update for Windows 8
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 support, and then select the HP Support Assistant app.
2. Select Updates and tune-ups, and then select Check for HP updates now.
80 Chapter 12 Computer Setup (BIOS), MultiBoot, and HP PC Hardware Diagnostics (UEFI)