Toshiba PORTEGE M400 User Manual download pdf (Page 393)

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Appendix G BIOS Rewrite Procedures Appendices

Appendix G BIOS Rewrite Procedures

This Appendix explains how to rewrite the system BIOS program when you update the

system BIOS.

Tools

To rewrite the BIOS, you need the following tool:

 BIOS rewriting disk for the computer that has renewed BIOS data.

Rewriting the BIOS

Note: 1. Connect the AC adaptor 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, a message

may be displayed that the contents of the BIOS have been damaged. In this

case, insert the BIOS rewriting disk and the BIOS will be rewritten.

1. Set the system to boot mode.

2. Turn off the power to the computer.

3. Remove the external cable and PC card.

4. Connect a USB FDD and insert the BIOS rewriting disk into either the USB FDD.

5. Turn on the power while holding down the key (US) or key (UK) until a

beep sounds.

The BIOS rewriting will start.

6. When the process is completed, eject the BIOS rewriting disk and the system is reset.

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