Updating (Flashing) Bios From A Diskette; Recovering From A Post/Bios Update Failure - Lenovo ThinkCentre E50 Hardware Maintenance Manual

Updating (flashing) BIOS from a diskette

1. Insert a system program update (flash) diskette into the diskette drive. system
2. Turn on the computer. If it is already on, you must turn it off and back on. The
3. Follow the instructions on the screen to complete the update.

Recovering from a POST/BIOS update failure

Attention: If an interruption occurs during a POST/BIOS update (flash update),
the computer might not restart correctly. If this occurs, perform the following
procedure (also known as a Boot-block recovery).
Note: If your computer has no internal diskette drive, an optional USB diskette
1. Turn the computer off and insert the special recovery BIOS flash diskette in the
2. Turn the computer on.
3. The recovery session takes two to three minutes. During this time you will hear
4. Remove the special recovery BIOS flash diskette from the diskette drive.
338
Hardware Maintenance Manual
program updates are available at http://www.lenovo.com/support on the
World Wide Web.
update begins.
drive must be connected to use the BIOS flash diskette.
diskette drive.
a series of beeps. After the update session completes, the series of beeps ends
and the computer automatically turns off. There is no video during the
recovery session.