Bios Recovery By Crisis Disk - Acer TravelMate P453-M Service Manual

BIOS Recovery by Crisis Disk

BIOS Recovery Boot Block
BIOS Recovery Boot Block is a special block of BIOS, used to boot the system with minimum
BIOS initialization. Users can enable this feature to restore the BIOS firmware once the
previous BIOS flashing process failed.
BIOS Recovery Hotkey
A function hotkey- <Fn+Esc>, used to enable the 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 from USB Storage
NOTE:
NOTE:
Prior to performing the recovery, prepare a Crisis USB key. The Crisis USB key is
created by executing the Crisis Disk program in another system with Windows 7 OS.
To Create a Crisis USB key, perform the following:
1. Copy BIOS file to USB flash disk and rename it to BA50X64.FD (flash disk must format to
FAT32 format).
2. Power off the system. Plug-in the USB flash disk, and insert AC adapter.
3. Holding down <Fn+Esc> key, and power on the system from off state
4. After system power on, release Fn + ESC key, the system will start recovering the BIOS
automatically, and system will shutdown after recovering. (Notice: System will be No
display when recovering, it's normal.)
5. 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.
5-8 Jumper and Connector Locations
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