HP EliteBook 840 G3 - Manual (Page 85)

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 decide whether you need to update Computer Setup (BIOS), first determine the BIOS version on your
computer.
BIOS version information (also known as ROM date and System BIOS) can be accessed by pressing
fn + esc (if
you are already in Windows) or by using Computer Setup.
1. Start Computer Setup. See Starting Computer Setup on page 73 .
2. Select Main, and then select System Information.
3. To exit Computer Setup without saving your changes, select the Exit icon in the lower-right corner of the
screen, and then follow the on-screen instructions.
– or –
Select Main, select Ignore Changes and Exit, and then press
enter .
To check for later BIOS versions, see Downloading a BIOS update on page 75 .
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 support, and then select the HP Support Assistant app.
2. Select Updates, and then select Check for updates and messages.
3. Follow the on-screen instructions.
4. At the download area, follow these steps:
a.
Identify the most recent BIOS update and compare it to 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.
Using Computer Setup 75