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
, to enable the BIOS Recovery process when the 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 from USB Storage:
Before doing this, prepare the Crisis USB key. The Crisis USB key could be made by executing the Crisis Disk
program in another system with Windows XP OS.
Follow the steps below:
1.
Format the USB storage disk using the Fast Format option.
2.
Save ROM file (file name: ZQ8x64.fd) to the root directory of USB storage. Make sure that there is no
other BIOS file saved in the same directory.
3.
Plug USB storage into USB port.
4.
Press
Fn + ESC
button then plug in AC power.
The Power button flashes once.
5.
Press
Power
button to initiate system CRISIS mode.
When CRISIS is complete, the system auto restarts with a workable BIOS.
6.
Update the latest version BIOS for this machine by regular BIOS flashing process.
Summary of Contents for Aspire 4738
Page 6: ...VI ...
Page 10: ...X Table of Contents ...
Page 109: ...Chapter 3 101 5 Connect the fan cable as shown ...
Page 123: ...Chapter 3 115 4 Press down as indicated to secure the keyboard in place ...
Page 146: ...138 Chapter 4 ...
Page 150: ...142 Chapter 5 Clear CMOS Jumper Item Description J1 J2 Clear CMOS Jumper ...
Page 152: ...144 Chapter 5 ...
Page 167: ...Chapter 6 159 ...
Page 216: ...208 Appendix B ...
Page 218: ...210 Appendix C ...