Acer TravelMate P453-M Acer TravelMate P453, P453-M, P453-MG Notebook Service - Page 214

BIOS Recovery by Crisis Disk 0 BIOS Recovery Boot Block 0 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 0 A function hotkey- , 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 0 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 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