Chapter 5
143
BIOS Recovery by Crisis Disk
BIOS Recovery Boot Block:
BIOS Recovery Boot Block is a special block of BIOS. It is used to boot up the system with minimum BIOS
initialization. Users can enable this feature to restore the BIOS firmware to a successful one once the previous
BIOS flashing process failed.
BIOS Recovery Hotkey:
The system provides a function hotkey:
Fn+Esc
, for enable BIOS Recovery process when system is powered
on during BIOS POST. To use this function, it is strongly recommended to have the AC adapter and Battery
present. If this function is enabled, the system will force the BIOS to enter a special BIOS block, called Boot
Block.
Steps for BIOS Recovery by Crisis Disk:
Before doing this, one Crisis Disk should be prepared ready in hand. The Crisis Disk could be made by
executing the Crisis Disk program in another system with Windows XP OS.
Follow the steps below:
1.
Power Off system.
2.
Insert the Crisis Disk to a USB floppy drive which is attached to the BIOS flash failed machine.
3.
In the power-off state, press
Fn+Esc
and hold them and then press Power Button. The system should be
powered on with Crisis BIOS Recovery process.
4.
BIOS Boot Block starts to restore the BIOS code from the Crisis floppy disk to BIOS ROM on the failed
machine.
5.
If the Crisis flashing process is finished, the system will restart.
If the Crisis Recovery process is finished, the system should be powered on with successful and workable
BIOS. Then a person can update the latest version BIOS for this machine by regular BIOS flashing process.
Summary of Contents for Aspire 8735
Page 6: ...VI ...
Page 10: ...4 Chapter 1 System Block Diagram ...
Page 54: ...50 Chapter 2 ...
Page 71: ...Chapter 3 67 2 Remove the two captive screws securing the hard disk drive cover ...
Page 94: ...90 Chapter 3 19 Disconnect the Media console cable from LEDB1 on the main board ...
Page 112: ...108 Chapter 3 21 Remove the USB board module from the lower case ...
Page 118: ...114 Chapter 3 13 Detach any adhesive tapes and any cable that is glued to the LCD panel ...
Page 119: ...Chapter 3 115 14 Disconnect the FPC cable from the LCD panel ...
Page 136: ...132 Chapter 4 F5h Boot to Mini DOS F6h Clear Huge Segment F7h Boot to Full DOS Code Beeps ...
Page 143: ...Chapter 4 139 ...
Page 144: ...140 Chapter 4 ...
Page 145: ...Chapter 5 139 Motherboard Jumper and Connector Locations Chapter 5 ...
Page 146: ...140 Chapter 5 ...
Page 150: ...144 Chapter 5 ...
Page 152: ...146 Chapter 6 Aspire 8735 8735G 8735ZG Series Exploded Diagram ...
Page 170: ...158 Appendix B ...
Page 172: ...160 Appendix C ...