Appendix G BIOS rewrite procedures
Appendices
PORTÉGÉ X30W-J, dynabook V*/VZ*/VC* Series Maintenance Manual
(960-941)
[CONFIDENTIAL]
G-1
Appendix G BIOS Rewrite Procedures
This Appendix explains how to rewrite the system BIOS program when you update the
system BIOS. It updates also the EC/KBC simultaneously.
Tools
To rewrite the BIOS, you need the following tool:
BIOS/EC/KBC rewriting disk
Rewriting the BIOS
1.
Turn off the power to the computer (Shut down the computer while holding
SHIFT
key).
2.
Remove the external cables and cards.
3.
Set the USB Flash Memory containing BIOS rewriting data.
4.
Turn on the power while holding down the tilde character key.
If the Japanese keyboard is installed, hold down [
半
/
全
] key instead of tilde key.
For example
(US Keyboard)
(UK Keyboard)
(Keep holding down the key.)
5.
The BIOS rewriting starts. (No message will appear.)
6.
When the process is completed, it the system automatically reboots.
NOTE:
1. Connect the AC adapter and the charged battery to the computer when you
rewrite the BIOS.
2. Do not turn off the power while you are rewriting the BIOS.
If the rewrite fails, it might be impossible to start up the computer.
3. If you fail to rewrite BIOS, then when you next turn on the power, the power
icon may flash in orange or an error message may be displayed. In this
case, repeat the rewriting procedure.
Summary of Contents for PORTEGE X30W-J
Page 11: ...Chapter 1 Hardware Overview...
Page 39: ...Chapter 2 Troubleshooting Procedures...
Page 139: ...Chapter 4 Replacement Procedures...
Page 229: ...CONFIDENTIAL Appendices...
