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Toshiba M507 Manual Do Utilizador

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Appendix F  BIOS rewrite procedures 
Appendices 
Satellite M500/M505/M507 Maintenance Manual [CONFIDENTIAL]                                               G-
1 
Appendix G  
Appendix F  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: 
  Bootable USB key for the computer that has renewed BIOS data. 
Rewriting the BIOS 
1.  Set the system to boot mode. 
2.  Turn off the power to the computer. 
3.  Remove the external cable and PC card, connect the USB key which has the latest 
BIOS document to t he system. 
4.  Turn on the power with 
Esc key pressing down, and choose boot from USB device. 
5.  Enter to the BIOS document and execute the “UBIOS.bat”. 
6.  The BIOS rewriting starts. 
7.  When the process is completed, the system automatically shutdown. 
 
NOTE:  1.  Connect the AC adapter 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 erased.  In this 
case, insert the BIOS rewriting disk and the BIOS will be rewritten.