HP 421 Notebook-PC - Manual (Page 124)

Updating the BIOS
To update the BIOS, first determine what BIOS version you currently have, and then download and
install the new BIOS.
Determining the BIOS version
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.
To use Computer Setup for displaying BIOS information, follow these steps:
1. Turn on or restart the computer, and then press esc while the “Press the ESC key for Startup
Menu” message is displayed at the bottom of the screen.
2. Press f10 to enter BIOS Setup.
3. Use a pointing device or the arrow keys to select File > System Information.
4. Press esc to return to the File menu.
5. Click the Exit icon in the lower-left corner of the screen, and then follow the on-screen
instructions.
– or –
Use the arrow keys to select File > Ignore Changes and Exit, and then press enter .
112 Chapter 11 Software updates