Acer Aspire V5-571 Acer Aspire V5-531 Notebook Service Guide - Page 71

BIOS Flash Utilities 0 BIOS Flash memory updates are required for the following conditions: New versions of system programs New features or options Restore a BIOS when it becomes corrupted. Use the Flash utility to update the system BIOS Flash ROM. NOTE: NOTE: If a Crisis Recovery Disc is not available, create one before Flash utility is used. NOTE: NOTE: Do not install memory related drivers (XMS, EMS, DPMI) when Flash is used. NOTE: NOTE: Use AC adaptor power supply when running Flash utility. If battery pack does not contain power to finish loading BIOS Flash, do not boot system. Perform the following to run Flash. 1. Rename the BIOS file as "XXXXXXX.FD". 2. Copy the "XXXXXXX.FD" file to a bootable USB device containing the Crisis Recovery disk files. 3. Turn off the computer. 4. Insert the USB device containing the renamed BIOS file and the Crisis Recovery disk files to any USB port. 5. Press and hold the Fn + Esc keys (this is the BIOS recovery hotkey), then press the power button. 6. Release the Fn + Esc keys after POST. NOTE: NOTE: Flash utility has auto execution function. System Utilities 2-13