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Chapter 5
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 7 OS.
Follow the steps below:
1.
Power Off failed system.
2.
Attach a USB floppy drive to the failed system.
3.
Insert the Crisis Disk in to the USB floppy drive attached to the BIOS flash failed system.
4.
In the power-off state, press and hold
Fn+Esc
then press the Power button.
The system powers on and the Crisis BIOS Recovery process begins.
BIOS Boot Block begins restoring the BIOS code from the Crisis floppy disk to BIOS ROM on the failed
systems.
When the Crisis flash process is finished, the system restarts with a workable BIOS.
5.
Update to the latest version BIOS for the system using the regular BIOS flashing process.
Summary of Contents for 4740G series
Page 6: ...VI ...
Page 10: ...X Table of Contents ...
Page 56: ...46 Chapter 2 ...
Page 63: ...Chapter 3 53 5 Carefully open the HDD Cover ...
Page 65: ...Chapter 3 55 5 Remove two 2 screws from the WLAN bracket and lift it clear of the device ...
Page 90: ...80 Chapter 3 5 Remove the TouchPad Bracket from the Upper Cover ...
Page 92: ...82 Chapter 3 Step Size Quantity Screw Type Media Board M2 5 3 2 ...
Page 97: ...Chapter 3 87 Step Size Quantity Screw Type Bluetooth Module M2 5 3 1 ...
Page 99: ...Chapter 3 89 7 Lift one edge of the mainboard as shown to remove it from the base ...
Page 107: ...Chapter 3 97 4 Lift the bezel away from the panel ...
Page 110: ...100 Chapter 3 4 Lift the LCD Panel out of the casing as shown ...
Page 117: ...Chapter 3 107 13 Ensure that the securing pin is properly located ...
Page 129: ...Chapter 3 119 ...
Page 134: ...124 Chapter 3 4 Turn the computer over Replace the fifteen screws on the bottom panel ...
Page 141: ...Chapter 3 131 4 Turn the computer over and replace the six 6 securing screws as shown ...
Page 186: ...176 Chapter 6 ...
Page 187: ...Chapter 6 177 ...
Page 208: ...Appendix A 198 ...
Page 214: ...204 Appendix B ...
Page 216: ...206 Appendix C ...