Determining The Bios Version - HP ProBook 4540s Maintenance And Service Manual

5. Locate the .sig file in the ROM.cab file and rename it with the same prefix as the .bin file (for
example, 68CDD.sig). Copy the renamed file to the Hewlett-Packard\BIOS\New\ folder in either
the HP_Tools partition of the hard drive, or the USB flash drive.
6. Restart the computer, and then press
message is displayed at the bottom of the screen.
7. Press f10
8. Click Update System BIOS, and then click Accept to update the BIOS.

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
enter.
to enter Computer Setup.
tab key and the arrow keys to select File > Ignore Changes and Exit, and then press
Windows 7 – Computer Setup (BIOS) and Advanced System Diagnostics 123
esc while the "Press the ESC key for Startup Menu"