Acer LX.EDV0Z.001 Service Guide - Page 124

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 if a previous BIOS flashing process fails. BIOS Recovery Hotkey: The system provides a function hotkey: Fn+Esc, for enabling 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 can be made by executing the Crisis Disk program in another system with Windows XP OS. Follow the steps below: 1. Save the ROM file along with Flashit.exe (BIOS flash tool) to the root directory of the USB storage disk. 2. Plug USB storage disk into the USB port. 3. Press Fn + ESC + Power buttons. Remove your finger from the Power button but keep the Fn + Esc keys pressed till the Power button flashes once. Note: During the first iteration, the LED of the USB disk will keep flashing for about 3 - 7 minutes. After this, the system restarts. You can check the BIOS version after the system restarts. If correct, the crisis system is set up correctly. 114 Chapter 5