Acer Aspire Z1620 Acer Aspire Z1620 Desktop Service Guide - Page 138

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 if a previous BIOS flashing process has failed. BIOS Recovery Hotkey To enable the BIOS Recovery process, use the function hotkey, Fn + Esc, during BIOS POST. The AC adapter and battery are required to be installed during this process. Steps for BIOS Recovery using USB HDD 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. Format USB HDD using the Quick Format option (Figure 5-3). Figure 5-3. Format USB HDD 128