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Chapter 5 129
BIOS Recovery
BIOS Recovery by Crisis Disk
BIOS Recovery Boot Block
The 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 the factory settings if a BIOS flash
process fails.
BIOS Recovery Hotkey
The system provides a function hotkey: Fn+Esc, to enable the BIOS Recovery process when a 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 performing this procedure, prepare a Crisis USB key. The Crisis USB key can be made by executing
the Crisis Disk program in a functioning system with a Windows 7 OS.
IMPORTANT:The Crisis Disk program will overwrite all data on any drive that you use as a crisis disk.
Follow the steps below:
1. Modify the archive name from "zh7 bios" to "ZH7X64.fd"
2. Save ROM file (file name: ZH9X64.fd ) to the root directory of the USB storage.
3. Plug the USB storage into a USB port.
4. Press Fn + ESC button then plug in AC.
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 the regular BIOS flashing process.